Websites and Apps
Mobile applications and digital tools for quick access to kosher information and product verification.
Websites
OU Kosher
OU Kosher (oukosher.org) is a kosher certification agency founded in 1923 and currently certifies over 1.3 million products produced at more than 15,000 facilities across 106 countries. The OU symbol appears on products across many categories worldwide, and the organization operates as part of the Orthodox Union, a non-profit communal organization founded in 1898.
Its website provides a searchable consumer product database that is updated daily and includes advanced filters for meat, dairy, pareve, Passover, Cholov Yisroel, Pas Yisroel, and related categories. Users can search by product name, brand, company, or category, and may also recommend products for OU certification consideration.
The site offers a wide range of kosher information and educational resources, including kosher alerts for products bearing unauthorized OU symbols, detailed explanations of all OU designations, and a restaurant directory for OU-certified establishments across North America. It also includes comprehensive Passover guides and product lists, educational publications such as Daf HaKashrus and Behind the Union Symbol, recipe collections, and ongoing news and updates related to kosher certification.
Additional features include multilingual access in English, Spanish, and Chinese, a fully mobile-responsive design, and connectivity to OUDirect for company clients. The platform also links to the Universal Kosher Database, which contains information on approximately 2.4 million ingredients.
Chicago Rabbinical Council (cRc)
Chicago Rabbinical Council, commonly known as the CRC, is a kosher certification agency founded in 1932 and based in Chicago. Its public websites, consumer.crckosher.org and crckosher.org, serve as centralized reference hubs for kosher-related information intended for consumers, mashgichim, and educators.
The cRc websites provide searchable product information across a wide range of categories. These include alcoholic beverages such as beer, liquor, and liqueurs, non-alcoholic beverages including carbonated drinks, energy drinks, and teas, and food products spanning multiple classifications. The sites also include flavor-specific guidance for 7-Eleven Slurpees, reference lists for items available at Starbucks locations, and databases covering over-the-counter and prescription medications.
In addition to food-related content, the websites address selected non-food items that may raise kashrus questions. This includes reference material on vitamins, supplements, and certain cosmetic products, presented for informational purposes.
The cRc websites host a substantial collection of educational resources. These include illustrated guides for checking fruits and vegetables for insects, explanations of proper berachos, instructions for tevilas keilim, and general guidance on kashering utensils and equipment. A directory of acceptable kashrus agencies from the United States and other regions is also available as a reference tool.
Seasonal and time-sensitive information is regularly updated on the cRc platforms. This includes Passover product lists and explanatory materials, yoshon status updates, and holiday-specific guidance relevant to different points in the Jewish calendar.
Interactive and reference tools are integrated throughout the sites. These include the ASKcRc question submission portal, published kosher alerts and product updates, a searchable FAQ section addressing common questions, and access to recorded audio shiurim on kosher-related topics. These features are designed to support ongoing reference and learning through the cRc’s public-facing websites.
STAR-K
STAR-K is a kosher certification agency based in Baltimore and operates under the administration of Rabbi Moshe Heinemann. Its website, star-k.org, serves as a public reference resource providing kosher-related information for consumers, mashgichim, and educators, alongside details related to its certification activities worldwide.
The STAR-K website offers searchable product and establishment databases limited to items certified under its supervision. These include listings for certified foods, alcoholic beverages such as beer, liquor, and liqueurs, and non-alcoholic beverages, including carbonated drinks, energy drinks, and teas. The site also provides a cereal guide that includes recommended berachos, as well as reference lists for specific retail and foodservice chains such as Dunkin’, Royal Farms, and Starbucks.
Passover-related materials form a substantial section of the website. These resources include Passover product guides, approved food lists, medication references for Passover prepared by Rav Gershon Bess of Kollel Los Angeles, and listings for personal care and cosmetic products. The site also contains explanatory articles addressing various aspects of Passover preparation and observance.
Health and medical information is addressed through dedicated reference sections. These include guidance on over-the-counter medications organized by category, selected prescription medication information, and specific listings relevant to OB and GYN use, presented with accompanying halachic context.
The STAR-K website also describes several specialized certification designations. These include Star-D for non-Cholov Yisroel dairy products, Star-S for Passover products that contain kitniyot and are intended for Sephardic use, and information related to Sabbath Mode appliances and medical devices.
Educational content is integrated throughout the site. This includes the Kashrus Kurrents newsletter, which publishes articles on contemporary kashrus topics, visual guides for insect checking, kitchen pre-purchase guidance, and reference material on yoshon and Pas Yisroel. Kosher alerts and product change notifications are also published as part of the site’s ongoing updates.
OK Kosher
OK Kosher Certification is a kosher certification agency headquartered in Brooklyn and established in 1935. As of late 2025, it certifies over 700,000 products produced by more than 3,000 companies operating in over 100 countries. Its public website functions as a reference resource for kosher status information and educational material.
The website provides a comprehensive product search database that can be queried by product name, brand, or category. Search filters allow users to narrow results by kosher status, including pareve, dairy, meat, and Passover designations. The database is updated regularly and includes direct navigation to wine, whiskey, and other alcoholic beverage sections, as well as Passover-certified products.
The site includes detailed explanations of OK kosher symbols and their meanings. These designations cover pareve products, dairy and dairy equipment, kosher meat and glatt meat, fish-containing products, Passover certification, kitniyot for Passover use, Pas Yisroel baked goods, and Cholov Yisroel dairy. The explanations are presented to support an accurate interpretation of labeling.
Educational content is organized through a consumer learning section that features articles and guides on kosher-related topics. The website also provides information on the certification process, explanations of kosher symbols, access to the Kosher Spirit magazine, and published kosher alerts related to product status changes.
Additional reference features are available through the site. These include the ability for users to suggest products for potential certification consideration, access for companies to certification letters, and general information outlining OK Kosher’s global operations and scope.
COR
Kashruth Council of Canada, commonly known as COR, is a kosher certification agency established in 1952 and based in Canada. Its public website, cor.ca, serves as an informational resource presenting kosher-related guidance, product data, and educational materials with a particular focus on the Canadian market.
The COR website provides searchable databases of products and establishments certified under its supervision. As of 2026, COR certifies over 120,000 products across approximately 1,200 facilities in Canada and internationally. The site also includes directories of kosher restaurants and food service providers across Canada, along with reference listings for major public venues such as Rogers Centre, Scotiabank Arena, and the Toronto Zoo.
Consumer-oriented resources are a central feature of the site. These include kosher alerts and product status updates, visual guides for produce inspection, and seasonal and holiday-related materials. The website hosts comprehensive Passover lists tailored to products commonly available in Canada, supporting consumers during periods of increased kashrus complexity.
Interactive reference tools are also available through the COR website. These include the “Text a Rabbi” feature for submitting brief kosher-related questions and receiving guidance, as well as regularly updated notices addressing common consumer inquiries.
Educational content is presented through dedicated sections of the site. These include the Kosher CORner newsletter, which provides news and updates, explanations of COR certification standards, and practical guidance on maintaining kosher observance within a Canadian context. The website also reflects COR’s role in supervising mashgichim at facilities both within Canada and abroad.
KLBD
London Beth Din Kashrut Division, commonly referred to as KLBD, is the kosher certification division of the London Beth Din and has operated for over a century. Its public websites, kosher.org.uk and klbdkosher.org, present consumer and industry-facing kosher reference material. KLBD maintains offices and supervisory operations in multiple regions, including the United Kingdom, Australia, Belgium, India, Israel, and Singapore.
The KLBD websites provide access to UK-focused product information through the “Is It Kosher UK” searchable database at isitkosher.uk. This tool offers coverage of products commonly found in major UK supermarkets, including Tesco, Sainsbury’s, Waitrose, Asda, Morrisons, Aldi, and Lidl. The database is designed to assist consumers in identifying kosher status for widely available retail items.
As of 2026, KLBD oversees more than 3,500 retail products and approximately 40,000 ingredients across six continents. The websites explain that many UK supermarket products certified or approved by KLBD may not display a kosher symbol on packaging, and therefore require reference to the official databases for confirmation.
The sites also provide information about the annual Really Jewish Food Guide, which is published each January and updated periodically throughout the year. The guide focuses on kosher food availability in the United Kingdom and includes practical reference material for consumers. Distribution information and availability through kosher retailers are outlined on the KLBD platforms.
KLBD certification categories are explained on the websites to clarify differences in supervision. These include fully certified products subject to regular audits and contractual supervision, products approved through documented ingredient verification, and products certified by other recognized authorities. The explanation is intended to support informed interpretation of kosher status.
Search and filtering tools are integrated into the product databases. These allow users to refine results by kosher category, including pareve and dairy classifications, distinctions between Chalav Yisrael and Chalav Akum, and selected dietary attributes such as gluten-free or vegan, where applicable.
Communication and update mechanisms are also described on the KLBD websites. These include kosher alerts for product status changes, email notifications, and messaging updates distributed through official channels. Together, these features support ongoing reference use of the KLBD websites as a UK-centered kosher information resource.
Is It Kosher UK
Is It Kosher UK (isitkosher.uk) is a mobile-friendly product search website maintained by the Kashrut Division of the London Beth Din. It functions as an official public reference tool for identifying the kosher status of products manufactured for the United Kingdom market.
The website provides a searchable database covering thousands of UK food and household products. It is designed to be accessible on mobile devices and operates as a progressive web application, allowing users to install it on smartphones and access previously loaded information with limited or no internet connectivity. Search results clearly distinguish between products that are fully certified and those that are approved.
Product listings include filtering options for pareve and dairy status, as well as selected dietary attributes such as vegan or organic, where applicable. The database reflects products specific to the UK market and is updated on an ongoing basis to reflect current information provided to KLBD.
The website notes several important limitations regarding the use of the information. All listings apply only to products produced for the UK market, and dietary or allergen details should be confirmed directly with manufacturers. Products that do not appear in the database should not be assumed to be kosher, and responsibility for dietary suitability remains with the user.
Kosher.com
Kosher.com is an informational website that publishes kosher-focused culinary and lifestyle content. The site is oriented toward home cooks, educators, and consumers seeking practical resources related to kosher food and Jewish living.
The website hosts a large recipe database containing over 10,000 kosher recipes. Recipes are searchable by category, ingredient, cooking method, and dietary considerations. The site also includes cooking videos and step-by-step demonstrations, along with community-contributed recipes submitted by registered users.
Interactive features allow users to organize and manage content for personal use. These include personal recipe boxes for saving favorites, options to publish recipes publicly or keep them private, and user-generated reviews and ratings. The site periodically hosts themed cooking challenges and recipe-based activities intended for community participation.
In addition to recipes, the website publishes a wide range of lifestyle content. This includes directories of kosher restaurants and caterers, kosher travel guides, destination-based food reviews, shopping recommendations, and product-focused articles. Additional sections address wine recommendations, entertaining ideas, crafts, tablescaping, and practical kitchen guidance.
Educational material is integrated throughout the site. These resources include introductory explanations of kosher dietary principles, guides to brachot, general kashrut reference information, and content related to Jewish holidays. The site also provides articles and recipes focused on Shabbat preparation and traditional observance in a home setting.
Kosher Near Me
YeahThatsKosher operates Kosher Near Me, accessible at koshernear.me and yeahthatskosher.com, as a location-based directory for identifying kosher establishments worldwide. The service is available as both a website and a mobile application and is designed to support consumers seeking kosher options while traveling or in unfamiliar locations.
The platform uses location services to identify nearby kosher establishments and offers a searchable directory covering more than 40 countries. Geographic coverage includes North America, Israel, Europe, South America, Asia, Africa, and Australia, with listings intended to reflect a broad range of regional availability.
Business listings on the site and app include restaurants, grocery stores, caterers, butchers, and specialty food vendors such as ice cream shops. Each listing typically provides practical details such as business hours, contact information, photographs, and the stated kosher certification, allowing users to review information before visiting.
User-facing features include community reviews and ratings, as well as filtering options by business type and certification preference. The directory is updated on an ongoing basis, with new establishments added regularly based on submissions from users, business owners, and other sources.
The platform also integrates selected external services and communication channels. This includes links to online ordering through GetKosher.com in certain regions, as well as social media integration for updates and announcements. Information regarding certifications is presented as reported by businesses and contributors, with listings indicating the supervising authority where available.
Mobile Apps
OU Kosher App
cRc Kosher App
Chicago Rabbinical Council offers the cRc Kosher App as a mobile reference tool that provides access to consumer-focused kosher information derived from its public resources. The current version of the app was redesigned from the ground up and launched in April 2025, with subsequent stability and feature updates introduced later in 2025.
A central feature of the app is the hechsher logo scanner. This tool uses the device camera to identify kosher certification symbols and returns information about the certifying agency, the cRc’s published reference status for that agency, and available contact details. The scanner is designed to recognize certification symbols rather than product barcodes and includes reference information for more than 1,500 kashrus agencies worldwide.
The app provides access to comprehensive product reference lists maintained by the cRc. These include databases for alcoholic beverages such as beer, liquor, and liqueurs, non-alcoholic beverages including sodas, energy drinks, and teas, and food products across multiple categories. Additional sections address flavor-specific guidance for 7-Eleven Slurpees, item-based references for Starbucks locations, and listings for over-the-counter and prescription medications, as well as selected non-food products such as vitamins, supplements, and cosmetics.
A range of practical guides is integrated into the app. These include visual instructions for checking fruits and vegetables for insects, explanations of appropriate berachos, guidance on tevilas keilim, and general kashering procedures for utensils and equipment. These materials are presented for educational and reference use.
The app also incorporates interactive and informational features. Users can conduct global searches across multiple databases, share reference information, access an interactive map of Chicago-area restaurants, and listen to recorded audio shiurim on kosher-related topics. Additional sections include an indexed FAQ, published cRc kashrus policies, a question submission feature for contacting rabbinic staff, real-time kosher alerts, and seasonal Passover resources.
The cRc Kosher App is available on iOS through the App Store and on Android through Google Play. It is intended as a supplementary reference tool and directs users to official cRc resources for confirmation and further guidance when needed.
STAR-K Kosher Info App
STAR-K provides the STAR-K Kosher Info App as a mobile reference tool that consolidates kosher-related information published by the agency. The app integrates content drawn from the STAR-K website with direct access to the STAR-K Kosher Information Hotline, allowing users to reference published material alongside real-time inquiry options.
The app includes a core database covering products and establishments certified under STAR-K supervision. This database encompasses listings for beer, liquor, and liqueurs organized by category and brand, non-alcoholic beverage references, and a cereal guide that includes recommended brachos. Detailed reference lists are also provided for selected foodservice chains, including Dunkin’ Donuts, with distinctions between Cholov Yisroel, Cholov Stam, dairy equipment, and pareve items.
Passover-specific resources are a major component of the app. These include a Passover medication list prepared by Rav Gershon Bess of Kollel Los Angeles, reference lists for personal care and cosmetic products approved for Passover use, and preparation guides addressing common Passover-related questions. During the Passover season, users may apply a filter that limits search results to Passover-certified items.
Health and medical information is presented through dedicated sections of the app. These include references for OB and GYN medications and products, an over-the-counter medication database organized by category, and accompanying halachic guidance related to medication use. The content is structured to support informed decision-making while encouraging consultation when needed.
Additional educational and reference materials are integrated throughout the app. These include visual guides for insect checking, information on Sabbath Mode appliances and medical devices, guidance on yoshon and Pas Yisroel, and reference lists for STAR-D and STAR-S product designations. Articles from the Kashrus Kurrents series and published kashrus alerts are also accessible within the app.
The STAR-K Kosher Info App features an updated user interface designed to support improved navigation and search functionality. Users may filter results to narrow searches by category or designation. The app is available on iOS devices running iOS 15.1 or later and on Android devices, and is intended for reference use alongside official STAR-K resources.
OK Kosher Food Guide App
OK Kosher Certification provides the OK Kosher Food Guide App as a mobile reference tool offering access to information drawn from its certification database. The app is designed to support consumers, mashgichim, and educators seeking current kosher status information while away from a desktop environment.
The app includes a searchable database covering over 700,000 OK-certified products, reflecting updated figures reported by OK Kosher in late 2025. Users may search by company name or product category and view detailed status information, including Cholov Yisroel, Pas Yisroel, and yoshon designations. The database is updated regularly to reflect changes in certification status.
Navigation features are structured to support efficient reference use. These include direct access to sections for wine, whiskey, and other alcoholic beverages, as well as a dedicated pathway to Passover-certified products. The app also provides access to recent kosher alerts, allowing users to review status changes and updates.
Each product entry displays standardized OK kosher status symbols and explanations. These include pareve, dairy, dairy equipment, Passover, kitniyot for Passover use, Pas Yisroel, and Cholov Yisroel dairy designations. The presentation is intended to support accurate interpretation of labeling and certification categories.
Additional reference features are integrated into the app. Users may submit product suggestions for potential certification consideration, and selected content from Kosher Spirit magazine is accessible through the platform. The OK Kosher Food Guide App is available on iOS devices, Android devices, and through the Amazon Appstore, and is intended for informational reference alongside official OK Kosher resources.
OK Vegetable Checking Guide App
OK Kosher Certification offers the OK Vegetable Checking Guide App as a dedicated mobile reference focused exclusively on produce inspection for insect presence. The app is designed to support accurate implementation of accepted checking practices through structured, product-specific guidance.
The app presents detailed inspection procedures for a wide range of fruits and vegetables. Content is organized by produce type and includes step-by-step washing and checking methods, with particular attention to items that require more intensive inspection, such as leafy greens, broccoli, cauliflower, and strawberries. Visual guides with photographs illustrate common locations where insects may be found.
Halachic context is incorporated throughout the app to explain inspection standards and practical expectations. The guidance is intended to clarify commonly encountered questions and to support consistent application of checking home methods for food preparation.
The OK Vegetable Checking Guide App is available on iOS and Android devices. It functions as a standalone educational reference and is intended for use alongside general kosher food preparation knowledge.
COR Kosher App
Kashruth Council of Canada provides the COR Kosher App as a mobile reference platform for accessing certification-related information and consumer guidance. The app is designed to reflect the resources available through COR’s public services, with particular emphasis on products and establishments within the Canadian market.
The app includes a searchable database of over 120,000 COR-certified products, reflecting updated figures as of 2026. Users may also access directories of kosher restaurants and food service establishments across Canada, supported by location-based tools that assist in identifying nearby COR-supervised venues. Certification information for major Canadian retailers, including Loblaws' private label products, is incorporated into the database.
Consumer guidance is integrated throughout the app. This includes holiday guides and seasonal resources, visual produce inspection instructions, and published kosher alerts related to product status changes. A “Text a Rabbi” feature allows users to submit brief kosher-related questions for follow-up guidance.
Seasonal content is tailored to the Canadian market and updated as needed. Passover product lists and explanatory materials are presented alongside holiday-specific information relevant to different times of the year. The COR Kosher App is available on iOS and Android devices and is intended as a reference tool for consumers, mashgichim, and educators seeking Canada-focused kosher information.
Is It Kosher UK App
Is It Kosher UK App is the mobile application associated with the product database maintained by the Kashrut Division of the London Beth Din. It provides mobile access to kosher product information for consumers in the United Kingdom and is intended for use as a practical reference while shopping or planning purchases.
The app offers a searchable database covering a wide range of products available in UK supermarkets. It supports offline use by storing data locally on the device, allowing access when an internet connection is unavailable. Product listings clearly distinguish between items that are certified by KLBD and those that are approved through documented review.
Search filters allow users to refine results by kosher category, including pareve and dairy classifications, with distinctions between Chalav Yisrael and Chalav Akum. Additional filters address selected dietary attributes such as dairy-free or gluten-free status, as well as organic, vegan, and Fairtrade designations where applicable.
All product information presented in the app applies only to items manufactured for the UK market. The app includes alerts for product status changes and offers an option to receive updates through official messaging channels. The KLBD notes that many products sold in major UK supermarkets may be certified or approved without displaying a kosher symbol on packaging, making database verification necessary.
The Is It Kosher UK App is available on iOS and Android devices and also functions as a progressive web application. It is designed as a reference tool for consumers, mashgichim, and educators seeking current kosher product information specific to the United Kingdom.
Kosher Near Me App
YeahThatsKosher provides the Kosher Near Me App, also referred to as Yeah That’s Kosher Near Me, as a mobile directory for locating kosher establishments worldwide. The app is integrated with YeahThatsKosher.com and has been in use since 2011, with reported downloads exceeding 500,000.
The app uses GPS-based location services to identify nearby kosher establishments and display them on an interactive map. It offers global coverage across more than 40 countries, enabling users to search for kosher options while traveling or in unfamiliar locations. Results can be viewed by proximity or explored through map-based navigation.
Listings include a range of business types such as restaurants, grocery stores, markets, caterers, butchers, and specialty vendors. Each entry typically provides practical details, including hours of operation, contact information, photographs, and website links where available.
User-facing features include reviews and ratings submitted by the community, along with customizable filters that allow searches by business type and stated kosher certification. The database is updated on a regular basis, with new listings and revisions added through submissions from users, business owners, and other contributors.
The app integrates with common navigation services, including Google Maps, Waze, and Apple Maps, to support route planning. In certain regions, it also links to online ordering through a partnership with GetKosher.com. Social sharing tools and options to submit new listings or corrections are included to support ongoing community participation.
Each listing displays the kosher certification as reported by the establishment, covering a wide range of Orthodox certifying authorities. This information allows users to filter results according to their personal certification preferences. The Kosher Near Me App is available on iOS through the App Store and on Android through Google Play.
Kosher.com App
Kosher.com provides a mobile application that offers access to its recipe database and related lifestyle content. The app is designed for users seeking organized, portable access to kosher cooking resources and educational material.
The app includes access to a recipe collection of over 10,000 kosher recipes. Users may search recipes by ingredient, category, or occasion and organize selected items into personal recipe boxes. A dedicated cooking mode is available to keep the screen active during food preparation, and users may save family recipes in a digital format for long-term reference.
Video content is integrated throughout the app. This includes cooking demonstrations and step-by-step instructional videos produced by Kosher.com contributors. Selected video content may be downloaded for offline viewing, allowing access without an internet connection.
Organizational tools are a core component of the app. Users may create shopping lists, save favorite recipes, and manage recipe boxes that can be kept private or shared publicly. The app also allows users to publish recipes to the community or retain them for personal use.
Additional content available through the app includes lifestyle articles, holiday and Shabbat preparation guides, cooking tips, and kitchen-related instructional material. Sections focused on kid-friendly recipes and videos are also included.
The app supports offline access for saved recipes and selected video content, enabling use during cooking or travel without an active internet connection. The Kosher.com App is available on iOS devices running iOS 13.0 or later, including compatible Apple hardware, and on Android devices through Google Play.

