Prayer Book vs Isnad
Price, ratings, monetisation and update history for both apps, side by side โ with what reviewers say about each.
Prayer Book
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A Catholic prayer book in your pocket. Basic prayers, the rosary, litanies, prayers to the saints and more, sorted into categories and easy to find. Features: โข Search across all prayers (accents don't matter) โข Bookmark your favorite prayers โข Create your own lists, e.g. for morning or evening prayers โข Add your own prayers, and back them up or move them to another phone โข Switch a prayer to another language โข Light and dark theme Works completely offline. No ads, no tracking, no account. Free and open source. Prayers are available in English, French, Italian, Latin, Polish, Portuguese, Romanian, Slovak, Spanish and Swahili. Not every prayer is available in every language. Missing a prayer or found a mistake? Send it through "Feedback & Ideas" in the app.
Isnad
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Trace the people and paths behind hadith transmission. Isnad is a visual reference for exploring chains of narration, narrator generations, and the structure of Sahih al-Bukhari. Begin with Prophet Muhammad (peace be upon him), follow transmission through the Companions, Tabi'un, and later narrators, and see how each path reaches the compiler. FEATURES - Explore interactive chains of transmission - Browse Sahih al-Bukhari by books, chapters, and hadiths - Read hadith texts and view available isnad information - Discover narrator profiles and their place in the transmission network - Study the Beautiful Names of Allah with meanings, reflections, and cited evidence - Switch between English, Russian, and Arabic - Use the core library without an account, advertising, analytics, or tracking Isnad is designed as an educational reference. Information about sources and methodology is available inside the app. If you notice an error in a hadith text, narrator name, chain of transmission, or translation, you can contact us directly from Settings. The application does not replace qualified scholarly guidance.
Screenshots
Verdict
Prayer Book and Isnad are too close to call on the numbers: across 6 compared parameters โ price, update cadence, ads and in-app purchases among them โ neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.
Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
Prayer Book ships an update weekly, Isnad every 4 days. The most recent releases landed on November 5, 2026 and November 6, 2026 respectively.
| Parameter | Prayer Book | Isnad |
|---|---|---|
| Price | Free | Free |
| Update frequency | Weekly | Every 4 days โ better |
| Ads | No | No |
| In-app purchases | No | No |
| Devices | iPhone, iPad, iPod โ better | iPhone, iPad |
| Requires iOS | 15.0 โ better | 16.0 |
| Further details โ not scored | ||
| Size | 4 MB | 24 MB |
| Age rating | 4+ | 12+ |
| Developer | Jozef Gaborik | Mirshod Makhmudov |
In-app purchases
Prayer Book
No in-app purchases
Isnad
No in-app purchases









