# BookBubble vs ReadNotes

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.

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.

## The numbers

| Metric | BookBubble | ReadNotes |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (5 ratings)](https://appshunter.io/ios/app/readnotes-book-tracker/id6757447671/reviews)** |
| Number of ratings | — | **5** |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Monthly | Monthly |
| Monetization | **Free** | Freemium |
| Size | 60 MB | 14 MB |
| Requires iOS | **16.4** | 17.6 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 4+ |
| Developer | [Timon Grassl](https://appshunter.io/developer/1825651216) | [AKSHAT ROHELLA](https://appshunter.io/developer/1867029338) |

## What reviewers say

### BookBubble

[App page](https://appshunter.io/ios/app/bookbubble/id6748405667)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### ReadNotes

[App page](https://appshunter.io/ios/app/readnotes-book-tracker/id6757447671)

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.

**Highlights:** AI-powered note cleaning, Key takeaway generation, Reading progress tracking, Spaced repetition flashcards, Personal knowledge library, Reading statistics and streaks, Goodreads library import

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ReadNotes+ Monthly | $4.99 | per month |
| ReadNotes+ Annual | $19.99 | per year |


## Frequently asked questions

### Is BookBubble free?

BookBubble is free to download, with no in-app purchases.

### Is ReadNotes free?

ReadNotes is free to download, with in-app purchases available.

### Do BookBubble or ReadNotes have ads?

Neither BookBubble nor ReadNotes shows ads.

### Which is updated more often, BookBubble or ReadNotes?

BookBubble ships an update monthly, and ReadNotes monthly. Most recently, BookBubble was updated on November 5, 2026 and ReadNotes on October 31, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*