BookBubble vs Book Tracker & Log
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
BookBubble
This app provides a spoiler-free wiki for books, unlocking information chapter by chapter as you read. It also helps you track reading sessions, organize your library, and set reading goals to build a consistent habit.
- Spoiler-free fan wiki
- Chapter-by-chapter entry unlocking
- Reading session tracking
- Ambient reading music
- Customizable book library
- Reading goal setting
- Calendar view of reading habits
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That moment when a quick online search about a character spoils the whole plot of your book. That pain is why we built BookBubble. A fan-powered and spoiler-free Wiki that only unlocks, what you’ve actually read so far. A FAN WIKI THAT CAN'T SPOIL YOU - Look up any character, creature, location, item, or group in your book and only see what you've actually read so far. - Entries unlock chapter by chapter as you read - No more accidentally spoiling yourself while searching online - Contribute while reading and become part of the wiki READING SESSIONS - Track every session you spend in a book. - Log minutes read and chapters finished - Play ambient music while you read - Build a clear picture of your reading habit over time YOUR LIBRARY, YOUR WAY - Organize your books exactly how you read them. - Default Shelves for Currently Reading, TBR, DNF, and Finished - Create and add your own custom collections - Share or hide your shelves on your public profile CALENDAR & READING GOAL - See your reading habit take shape. - A built-in calendar shows exactly which day you read which book - Watch your reading time grow as time goes by - Set a yearly reading goal and track your progress toward it - Set notifications to make reading a habit Built for readers of fantasy, romantasy, and any book with worldbuilding too rich to hold in your head. Download BookBubble and dive into your books, chapter by chapter — spoiler-free.
Book Tracker & Log
This app helps you read more and understand your reading habits through private tracking. Log books, time your sessions, rate and review your reads, and discover new titles. It offers personalized recommendations and motivational features like streaks and challenges.
- Private reading journal
- Track reading sessions with timer
- Rate and review books
- Personalized book recommendations
- Reading habit motivation
- Home Screen and Lock Screen widgets
- Apple Watch integration
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ReadShelf is a private reading tracker built to help you read more — and understand how you read — without ever giving up your data. Perfect for tracking the books you're reading, building a daily reading habit, timing your sessions, rating and reviewing what you finish, spotting patterns over time, and discovering your next great read. Your books, your habits — and yours alone. Private by design No account, no login, no sign-up — just open the app and start All your data is stored locally on your device by default No analytics, no tracking, no ads — book search only queries public book databases (Open Library, Google Books) Optional iCloud sync runs through your own private iCloud — never our servers Build your library Organize every book across shelves: Reading, Read, Want to Read and Did Not Finish Add a book in seconds — search by title or author, scan its barcode, or look up an ISBN Covers, author, page count, genres, series and custom tags, all in one place Track your reading A built-in reading timer logs your minutes and pages, session by session Add past sessions by hand; track progress in pages or percent See exactly where you are in every book with live progress Capture favorite quotes and highlights with page references Write rich reviews and journal entries for the books that stay with you Rate beyond five stars: plot, writing, characters, pacing and emotional impact Understand your habits Beautiful stats: total books, pages and time read at a glance Reading streaks, reading pace and your best time of day to read Genre breakdown, top authors and rating distribution Heatmaps and trends that show how your reading grows over time Year in Review — a shareable recap of your whole reading year Stay motivated Daily, weekly, monthly and yearly reading goals A forgiving reading streak: every 7 reading days earn an automatic rest day (up to 2 saved) — or count weekly and pick how many days a week you want to read Earn XP, level up from Beginner to Legend, and unlock dozens of milestones Challenges and milestones to keep the habit fun Discover your next read Personalized "For You" picks based on your taste and history Popular titles from Open Library, plus recommendations that tell you why On supported devices, on-device Apple Intelligence suggests your next book — privately, right on your iPhone Reading on your Home Screen Home Screen and Lock Screen widgets for your current book, streak and daily goal (Premium) A Live Activity tracks your reading timer straight from the Lock Screen Apple Watch On Apple Watch, start and pause a reading session, dial in your page with the Digital Crown and watch your daily goal ring fill — plus a complication for your watch face A session running on your wrist shows up live on your iPhone, where you can control it too Gentle reminders A daily reading reminder to keep your habit going A streak reminder so you never lose your run by accident Premium includes Home and Lock Screen widgets Full insights: advanced charts, heatmaps, trends and period comparisons All goals: daily, weekly and monthly targets All challenges and milestones iCloud sync across all your devices Data export Unlimited custom shelves ReadShelf stays simple while you log a session, and powerful when you want the full picture — track in seconds, understand in minutes. Subscriptions Auto-renewable Premium plans (1 month, 1 year) A one-time Lifetime unlock is also available Payment is charged to your Apple ID account Subscriptions automatically renew unless cancelled at least 24 hours before the end of the current period Manage or cancel anytime in your Apple account settings Restore Purchases is available in-app Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://darianhanci-legal.web.app/datenschutz
Screenshots
Verdict
The clearest difference is in-app purchases: BookBubble at none against Book Tracker & Log's 3. Book Tracker & Log's advantage is update cadence (every 2 weeks vs monthly). On price, review sentiment, ads and device support 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
Both are free to download. Book Tracker & Log sells 3 in-app purchases, starting at $0.99 per month. BookBubble asks for nothing beyond the download.
BookBubble ships an update monthly, Book Tracker & Log every 2 weeks. The most recent releases landed on October 24, 2026 and October 21, 2026 respectively.
| Parameter | BookBubble | Book Tracker & Log |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | Monthly | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad, Apple Watch — better |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 60 MB | 26 MB |
| Age rating | 17+ | 4+ |
| Developer | Timon Grassl | Cengiz Darian Hanci |
Customer experience
BookBubble
Book Tracker & Log
In-app purchases
BookBubble
No in-app purchases
Book Tracker & Log
- ReadShelf Premium Monthly$0.991 Month
- ReadShelf Premium Yearly3 Days trial$9.991 Year
- ReadShelf Premium Lifetime$27.99









