Comparison

HebrewBooks vs Igrot Kodesh

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

HebrewBooks

Access a vast digital library of over 65,000 religious texts optimized for mobile. Browse, download, and read seforim with an intuitive interface, even offline. Contribute to its development as it's currently in beta.

Highlights
  • Complete digital library access
  • Tens of thousands of seforim
  • PDF download for offline use
  • Enhanced mobile reading experience
  • Intuitive navigation and gestures
  • Community contribution welcome
Features
Read full description

HebrewBooks.org – The Ryzman Edition Experience the entire HebrewBooks digital library—beautifully optimized for mobile—in The Ryzman Edition of the official HebrewBooks.org App. Access over 65,000 digitized seforim from anywhere in the world, now in a powerful, modern, mobile-friendly interface designed for learners, researchers, and lovers of Torah scholarship. Features Complete HebrewBooks Library (The Ryzman Edition) Browse and download tens of thousands of seforim across all genres of Torah learning. PDF Download Download seforim in PDF format to share and learn without an internet connection. Enhanced Mobile Viewer Enjoy a clean, fast, mobile-optimized reading experience. Smooth, Intuitive Navigation Navigate seforim with intuitive gestures and mobile-optimized controls. Community Collaboration and Feedback The Ryzman Edition of the HebrewBooks.org App is currently in beta. As we move to a full release, we warmly invite developers, designers, and contributors to help improve and expand the app. Whether you want to enhance performance, add new features, or help refine the user interface, we welcome your contributions. To learn about contributing, or to suggest feedback, please email app@hebrewbooks.org. Join us in building the next generation of HebrewBooks mobile learning tools. Acknowledgments We extend our heartfelt gratitude to Daniel Farkas, whose expertise, dedication, and countless hours of development brought this Ryzman Edition of the HebrewBooks App to life. His work has helped make the wealth of our Torah heritage accessible to learners everywhere. About HebrewBooks.org HebrewBooks.org—The Ryzman Edition—is a project of The Society for the Preservation of Hebrew Books, dedicated to the preservation, digitization, and dissemination of seforim. Our mission is to ensure that rare, out-of-print, and essential Torah works remain accessible to Jews around the world.

About

Igrot Kodesh

Features
Read full description

IGROT KODESH Translation of the Rebbe King Moshiach's letters Discover a unique collection of the Rebbe King Moshiach's letters in Russian. The Igrot Kodesh app allows you to conveniently read the translations of the letters, search for relevant topics, and find answers to a variety of life questions. App features: Complete translation of the Igrot Kodesh letters into Russian. Quick search by words and topics. Convenient navigation through volumes and pages. Bookmarks for saving important letters. Simple and modern interface. The app is designed for anyone who studies the teachings of the Lubavitcher Rebbe, is interested in Hasidism, and wants to have Igrot Kodesh always at hand. Study the letters of the Rebbe King Moshiach anytime and anywhere.

Screenshots

HebrewBooks3 screens
Igrot Kodesh4 screens

Verdict

The call

The clearest difference is iOS requirement: Igrot Kodesh at 13.0 against HebrewBooks's 15.0. On price, update cadence, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

HebrewBooks ships an update fortnightly, Igrot Kodesh every 11 days. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard1 real difference · 9 level
HebrewBooks versus Igrot Kodesh: the parameters behind the verdict, then further details
ParameterHebrewBooksIgrot Kodesh
PriceFreeFree
Rating5.0 (5 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings5 — better—
Update frequencyFortnightlyEvery 11 days — better
AdsNoNo
In-app purchasesNoNo
MonetizationFree—
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS15.013.0 — better
Further details — not scored
Size32 MB138 MB
Age rating17+4+
DeveloperHebrewbooks.orgisrael persiko

In-app purchases

None

HebrewBooks

No in-app purchases

None

Igrot Kodesh

No in-app purchases

Questions

Is HebrewBooks free?
HebrewBooks is free to download, with no in-app purchases.
Is Igrot Kodesh free?
Igrot Kodesh is free to download, with no in-app purchases.
Do HebrewBooks or Igrot Kodesh have ads?
Neither HebrewBooks nor Igrot Kodesh shows ads.
Which is updated more often, HebrewBooks or Igrot Kodesh?
HebrewBooks ships an update fortnightly, and Igrot Kodesh every 11 days. Most recently, HebrewBooks was updated on October 30, 2026 and Igrot Kodesh on October 31, 2026.

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