BookBubble vs ReadNotes
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
Read full descriptionHide full description
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.
ReadNotes
This app helps you remember what you read by taking notes while you read, cleaning them with AI, and generating key takeaways. It tracks your reading progress, builds a personal knowledge library, and offers spaced repetition flashcards.
- AI-powered note cleaning
- Key takeaway generation
- Reading progress tracking
- Spaced repetition flashcards
- Personal knowledge library
- Reading statistics and streaks
- Goodreads library import
Read full descriptionHide full description
ReadNotes is the reading tracker and AI note-taking app for people who want to remember what they read, not just finish books. Take notes while you read, clean them up instantly with AI, and generate a single key takeaway from each idea. Over time, ReadNotes builds your personal knowledge library from every book you finish. What you can do: • Write or record voice notes while reading • AI cleans up messy notes into clear, concise text • Generate one key takeaway per note — no rewriting needed • Track books across Reading, Finished, and Want to Read • Review what you learned with spaced repetition flashcards • See your reading stats, streaks, and knowledge by genre • Share insights with friends and see what they're reading • Import your Goodreads library in seconds • Export your notes as PDF Free users get limited AI usage per week. Upgrade to ReadNotes+ for Unlimited AI takeaways and PDF export. Got ideas or questions? Reach out to us at readnotesapp@gmail.com. TERMS: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ PRIVACY POLICY: https://readnotes.vercel.app/privacy
Screenshots
Verdict
The clearest difference is in-app purchases: BookBubble at none against ReadNotes's 2. On price, update cadence, 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. ReadNotes sells 2 in-app purchases, starting at $4.99 per month. BookBubble asks for nothing beyond the download.
Both ship on a similar rhythm, roughly monthly. The most recent releases landed on November 5, 2026 and October 31, 2026 respectively.
| Parameter | BookBubble | ReadNotes |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (5 ratings) — better |
| Positive reviews | 100.0% of reviews | — |
| Number of ratings | — | 5 — better |
| Update frequency | Monthly | Monthly |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.6 |
| Further details — not scored | ||
| Size | 60 MB | 14 MB |
| Age rating | 17+ | 4+ |
| Developer | Timon Grassl | AKSHAT ROHELLA |
Customer experience
BookBubble
ReadNotes
In-app purchases
BookBubble
No in-app purchases
ReadNotes
- ReadNotes+ Monthly$4.991 Month
- ReadNotes+ Annual$19.991 Year









