Comparison

Book Tracker vs ShelfMark

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

Head to head
About

Book Tracker

Easily catalog your book collection by scanning ISBNs or adding manually. Organize by genre, reading status, and custom fields. Keep your library private and accessible offline.

Highlights
  • Scan ISBNs with camera
  • Manual book entry
  • Import from Excel/CSV
  • Organize by genre and status
  • Customizable fields
  • Offline access
  • Data export
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Book Tracker – ISBN Library is the simple, private way to catalog every book you own. SCAN TO ADD Point your phone camera at any book barcode (ISBN) and watch title, author, and details appear while you’re still holding the bookβ€”quick, tidy, and keyboard-free. The free version includes a curated bundle of online ISBN lookups so you can road-test the scanner with zero pressure; unlock generous everyday scanning limits and every feature with the annual plan (7-Day free trial) or lifetimeβ€”so adding books stays effortless as your library grows. ADD BY HAND OR IMPORT Prefer typing? Add books manually. Have a spreadsheet? Import from Excel or CSV and bring your existing list into the app in one go. ORGANISE YOUR COLLECTION Track what matters: β€’ Title and author β€’ Genre (and create your own) β€’ Reading status (TBR, DNF, unread, reading, read etc) β€’ Custom status so you decide what is important. β€’ ISBN β€’ Personal notes for each book. Edit or delete entries anytime. Search your library quickly. Export your list when you need it. BUILT FOR READERS AND COLLECTORS Whether you have a shelf of favourites or a growing collection of books, comics, or manga, Book Tracker keeps everything in one place. No account required for the basicsβ€”your data stays on your device. Use it offline. Change the look with custom colour themes. PRIVATE AND OFFLINE Your library is yours. The app works without an internet connection after setup. No ads tracking you. Optional subscription unlocks unlimited books and full export for power users. Download once. Own your list. Track your books your way. User Guide for Import and example file: https://www.6ixdesign.com.au/guide.html *Please note that Apple’s standard End User License Agreement (EULA) applies. See: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/.

About

ShelfMark

Features
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A quiet reading tracker for people who love books more than apps. ShelfMark keeps your reading life in one calm, paper-warm place. Log the page you are on, keep a streak alive, and save the lines worth keeping. No account, no feed, no noise. MADE FOR READERS - Three shelves: to be read, reading, and finished. Move a book with a tap. - Quick page updates with percent complete, pages a day, and time left at your current pace. - A daily page goal beside your grace-day reading streak. - Search your library, filter by genre, and sort by recency, title, author, or progress. - A quote wall with the book, page number, and an optional photo of the page. - A yearly reading goal and Wrapped view with pages, streaks, genres, fastest reads, and monthly activity. - A private Home and Lock Screen widget for your current book, pages today, goal, and streak. - A complete local backup, additive restore, and Delete All My Data control. FREE AND LIFETIME ShelfMark is free for up to 3 books and 5 saved quotes. Reading progress, streaks, daily and yearly goals, search, backup, restore, deletion, and the widget stay useful without paying. A single Lifetime purchase unlocks unlimited books and quotes, the 30-day Reading Pulse, finish-date pace plans, full Wrapped statistics, and the one-page Reading Year PDF. It is a one-time purchase, not a subscription. Existing records always remain readable and editable. PRIVATE BY DESIGN Your reading library stays locally on your iPhone or iPad. No account, no analytics, and no tracking. Widget content uses Apple's private on-device App Group storage and is marked privacy sensitive.

Screenshots

Book Tracker4 screens
ShelfMark4 screens

Verdict

The call

Book Tracker and ShelfMark are too close to call on the numbers: across 6 compared parameters β€” price, update cadence, ads and in-app purchases among them β€” neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

CostPrice Β· In-app purchases Β· Ads Β· Monetization

Both are free to download. Book Tracker sells 3 in-app purchases, starting at $14.99 per year and ShelfMark sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

UpkeepUpdate frequency

Book Tracker ships an update every 2 weeks, ShelfMark weekly. The most recent releases landed on October 10, 2026 and October 3, 2026 respectively.

ScorecardNo meaningful differences
Book Tracker versus ShelfMark: the parameters behind the verdict, then further details
ParameterBook TrackerShelfMark
PriceFreeFree
Positive reviews100.0% of reviewsβ€”
Update frequencyEvery 2 weeksWeekly β€” better
AdsNoNo
In-app purchasesYesYes
MonetizationFreemiumβ€”
DevicesiPhoneiPhone, iPad β€” better
Requires iOS18.618.0 β€” better
Further details β€” not scored
Size65 MB6 MB
Age rating4+4+
DeveloperThomas BirdInnovaLabWorks

In-app purchases

3 purchases

Book Tracker

Subscriptions1
  • Annual Subscription$14.991 Year
One-time2
  • Unlock All Features for 1 Week$14.99
  • Lifetime Access$39.99
1 purchases

ShelfMark

One-time1
  • ShelfMark Lifetime$12.99

Questions

Is Book Tracker free?
Book Tracker is free to download, with in-app purchases available.
Is ShelfMark free?
ShelfMark is free to download, with in-app purchases available.
Do Book Tracker or ShelfMark have ads?
Neither Book Tracker nor ShelfMark shows ads.
Which is updated more often, Book Tracker or ShelfMark?
Book Tracker ships an update every 2 weeks, and ShelfMark weekly. Most recently, Book Tracker was updated on October 10, 2026 and ShelfMark on October 3, 2026.

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