KosherFish.co - Is It Kosher?
Your Kosher Seafood Guide
Free · Designed for iPad. Not verified for macOS.
KosherFish is the most complete kosher fish reference on iOS — a free, offline, ad-free lookup for 290+ fish species, cross-referenced with the Orthodox Union and Chabad.
Whether you're at the fish counter, a sushi bar, or planning Shabbat dinner, KosherFish answers the only question that matters: is this fish kosher?
— Search by common name, scientific name, or alias
— Filter by All / Kosher / Not Kosher
— Tap any fish for the halachic reasoning, Hebrew name, and frequently asked questions
— Works completely offline — no signal, no account, no tracking
WHAT'S INCLUDED
• 291 species — every fish on the Orthodox Union and Chabad published lists
• Plain-English explanations of why each fish is or isn't kosher (fins + scales = kosher under Leviticus 11:9)
• Hebrew names where applicable
• "Also Known As" cross-references — find shubuta, schmaltz herring, lox, hamachi, or barramundi by any name
• Frequently Asked Questions on every fish page — does it have fins and scales? can I eat it as sushi or sashimi? what is it called in Hebrew?
• Companion link to KosherFish.co for the deeper halachic articles
WHO IT'S FOR
• Kosher shoppers checking a fish at the counter
• Sushi diners deciphering an unfamiliar menu
• Hosts planning a kosher Shabbat or Yom Tov meal
• Jewish travelers anywhere far from a reliable mashgiach
• Anyone curious about Jewish dietary law
REFRESHED FOR v1.1
• New design matching kosherfish.co — navy + gold, Frank Ruhl Libre headings
• Fish FAQs and "Read more" deep links to the full web reference
• Updated About screen with the methodology and sourcing
• Crash and performance monitoring (no screenshots, no PII)
PRIVACY
• No account required
• No personal data collected
• No tracking, no ads, no in-app purchases
• Fish data ships inside the app — your lookups never leave your device
HALACHIC NOTE
KosherFish is a reference tool, not a substitute for rabbinical guidance. For binding halachic answers on specific fish, preparations, or kosher-for-Passover questions, please consult a qualified Orthodox rabbi.
Built by Eric Rosenberg as a free public reference. Cross-referenced with the published lists from the Orthodox Union (OU), Chabad, and the Chicago Rabbinical Council (cRc).
Companion site: https://kosherfish.co
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
Fixes a crash that could close the app unexpectedly.
The developer, Rosenberg Digital LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- Rosenberg Digital LLC
- Size
- 26.1 MB
- Category
- Reference
- Compatibility
Requires iOS 17.0 or later.
- iPhone
Requires iOS 17.0 or later. - iPad
Requires iPadOS 17.0 or later. - Mac
Requires macOS 14.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- iPhone
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Rosenberg Digital LLC