Comparison

Study Bible Reference vs ZTF Books

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

Head to head
About

Study Bible Reference

Explore biblical texts with cross-referencing and comparison between versions. Customize font styles and enjoy offline access to scripture. Search Old Testament texts and utilize dark mode for comfortable reading.

Highlights
  • Cross-reference Bible texts
  • Compare Bible versions
  • Offline access
  • Dark mode
  • Font customization
  • Text searching
Features
Read full description

Study Bible with Cross Reference offers users the ability to navigate to related Bible texts, compare interpretations between two Bible versions, use dark mode and toggle the related texts. Currently the Bibles versions supported are the Amplified Bible Version and the King James Version. Text Searching is possible for either old Testaments. Further customisation like Changing the Font Style and Font Type is available and all features can be used completely offline,

About

ZTF Books

Access a vast library of Christian books and audiobooks by Z.T. Fomum. Engage in reading challenges, organize your library, and enjoy offline reading with customizable features. Start with free books and a trial to explore the full collection.

Highlights
  • Access over 500 titles in 21 languages
  • Join and create reading challenges
  • Offline reading and listening
  • Organize books with shelves and wishlists
  • Read-aloud functionality
  • Customizable reading modes and fonts
  • Track reading progress and goals
Features
Read full description

Read. Listen. Be Transformed. ZTF Books puts the complete writings of Professor Zacharias Tanee Fomum — over 500 titles in 21 languages — in your pocket. Scientist, apostle of prayer, and bestselling Christian author, Z.T. Fomum wrote books that are biblically grounded, tested in life, and trusted across the nations. Whether you are seeking deeper intimacy with Jesus, power in prayer and fasting, strength for leadership, or victory in life's battles — start here. READ TOGETHER — READING CHALLENGES • Join a time-boxed reading challenge and read towards it alongside everyone else taking part • Three kinds of target — any qualifying books, a list chosen for you, or books from one series • See the rules before you commit — the dates, what counts, and how each book qualifies • Watch your own progress ring fill, next to the group total of books read together • Start a private challenge and invite the people you read with by link, code or QR code, or join one by scanning its QR code • Private by design — others never see which books you read, and there is no ranking FREE TO START • A welcome gift — any 2 books, yours free • A 3-day free trial opens the whole library, no card needed • 100+ books that are always free A LIBRARY WITHOUT BORDERS • Hundreds of titles on discipleship, prayer, fasting, leadership, marriage and family, evangelism, missions, and spiritual warfare • Choose one or several book languages, separate from the app language • Read in English, French, Portuguese, German, Spanish and Swedish — over 20 languages in all • Browse by series, author, topic or language — new, trending and free every week • Coming Soon — see what is next, and be told when a title lands MAKE IT YOURS • Shelves — organise your books into your own named collections • Wishlist — save titles to read later • Favourites — keep the books you love close, curate with a swipe • Group your library by series and read every book in order READ IT. HEAR IT. • Read-aloud in every book — your device's own voice reads to you while you commute, cook, or rest • Adjustable reading speed and pitch, with a sleep timer • Page numbers and time-left, so you always know your place • Highlights, bookmarks, notes, and tap a word to look it up • Search inside your book — every match highlighted on the page • Turn a highlight into a shareable quote card — pick a colour, or use your own photo • Sepia, day, and night reading modes, adjustable fonts, distraction-free pages • Download once, read offline — anywhere • Your library and progress follow you on the app and on the web GROW EVERY DAY • Set reading goals and build streaks • Follow a Reading Plan and keep your place in it • Unlock badges and climb the reader leaderboard • Track your reading time, books finished, and library growth • Turn reading into a daily walk with God ONE SUBSCRIPTION, THE WHOLE LIBRARY • Subscribe monthly, half-yearly, or yearly for unlimited access to every title • A subscription is a loan, not a purchase: while it is active you can read the whole library, and if it ends, books you borrowed with it are returned • Anything you bought, added for free, or were given stays in your library whether you subscribe or not FOR CHURCHES, SCHOOLS AND MINISTRIES • Join your institution with a code and read on its plan • Churches, schools and ministries can run ZTF Books on one shared plan SHARE THE FIRE • Read Reader Stories and react — Amen, Grateful, Praise • Rate, review, and recommend books to fellow readers • Become a ZTF Books sales agent and earn while you spread life-changing books WHY ZTF BOOKS? Our mission: put life-changing books in every nation's hands. Because these are not just books — they are messages from God to this generation. Whether you are a seeker, a disciple, or a servant-leader, you will find fresh fire for your walk with Jesus. Join readers across the nations being transformed one book at a time. Download ZTF Books today — your next step with God is one page away.

Screenshots

Study Bible Reference2 screens
ZTF Books4 screens

Verdict

The call

The clearest difference is rating: ZTF Books at 5.0 against Study Bible Reference's 3.7. ZTF Books also leads on update cadence (every 2 days vs fortnightly). Study Bible Reference's advantage is in-app purchases (none vs 3). On price, review sentiment, ratings volume and ads 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. ZTF Books sells 3 one-off in-app purchases. Study Bible Reference asks for nothing beyond the download.

ReceptionRating · Positive reviews · Number of ratings

ZTF Books holds the better App Store score, 5.0 against 3.7. Both are backed by a comparable volume of ratings — 3 and 4 respectively. Written reviews complicate that: 67% of Study Bible Reference's written reviews are positive against 63% of ZTF Books's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

Study Bible Reference ships an update fortnightly, ZTF Books every 2 days. The most recent releases landed on November 7, 2026 and November 6, 2026 respectively.

Scorecard4 real differences · 6 level
Study Bible Reference versus ZTF Books: the parameters behind the verdict, then further details
ParameterStudy Bible ReferenceZTF Books
PriceFreeFree
Rating3.7 (3 ratings)5.0 (4 ratings) — better
Positive reviews66.7% of reviews — better62.5% of reviews
Number of ratings34 — better
Update frequencyFortnightlyEvery 2 days — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFreemium
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size77 MB87 MB
Age rating17+4+
DeveloperPaul EzagaGordon Atanga

Customer experience

Study Bible Reference

All ratings3 ratings
Positive66.7%
Neutral0.0%
Negative33.3%
Written reviews3 reviews
Positive66.7%
Neutral0.0%
Negative33.3%

ZTF Books

All ratings4 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews8 reviews
Positive62.5%
Neutral25.0%
Negative12.5%

In-app purchases

None

Study Bible Reference

No in-app purchases

3 purchases

ZTF Books

One-time3
  • E.Tendo (Monthly)$4.99
  • E.Bayiha (Bi-Annual)$24.99
  • J.Besong (Yearly)$49.99

Questions

Is Study Bible Reference free?
Study Bible Reference is free to download, with no in-app purchases.
Is ZTF Books free?
ZTF Books is free to download, with in-app purchases available.
Which has better reviews, Study Bible Reference or ZTF Books?
ZTF Books is rated higher. Study Bible Reference averages 3.7 out of 5 from 3 ratings, while ZTF Books averages 5.0 from 4 ratings.
Do Study Bible Reference or ZTF Books have ads?
Neither Study Bible Reference nor ZTF Books shows ads.
Which is updated more often, Study Bible Reference or ZTF Books?
Study Bible Reference ships an update fortnightly, and ZTF Books every 2 days. Most recently, Study Bible Reference was updated on November 7, 2026 and ZTF Books on November 6, 2026.

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