# READDD vs Book Leaf

The clearest difference is in-app purchases: READDD at none against Book Leaf's 6. READDD also leads on update cadence (daily vs every 2 weeks). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Book Leaf sells 6 in-app purchases, starting at $4.99 per month. READDD asks for nothing beyond the download.

READDD ships an update daily, Book Leaf every 2 weeks. The most recent releases landed on October 4, 2026 and September 30, 2026 respectively.

## The numbers

| Metric | READDD | Book Leaf |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Daily** | Every 2 weeks |
| Size | 27 MB | 89 MB |
| Requires iOS | **14.0** | 15.5 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Colibryx](https://appshunter.io/developer/1652362288) | [AKIFUMI YOSHIMURA](https://appshunter.io/developer/1819749795) |

## What reviewers say

### READDD

[App page](https://appshunter.io/ios/app/readdd/id6444109358)

**Features:** macOS Compatibility

**In-app purchases:** none


### Book Leaf

[App page](https://appshunter.io/ios/app/book-leaf-ocr-book-notes/id6747080786)

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

**In-app purchases (6)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Book Leaf Pro (Monthly) | $4.99 | per month |
| Book Leaf Pro (Annual) | $49.99 | per year |
| OCR Credit 50 | $2.99 | one-time |
| OCR Credit 150 | $5.99 | one-time |
| OCR Credit 500 | $17.90 | one-time |
| Book Leaf Pro (Lifetime) | $54.99 | one-time |


## Frequently asked questions

### Is READDD free?

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

### Is Book Leaf free?

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

### Do READDD or Book Leaf have ads?

Neither READDD nor Book Leaf shows ads.

### Which is updated more often, READDD or Book Leaf?

READDD ships an update daily, and Book Leaf every 2 weeks. Most recently, READDD was updated on October 4, 2026 and Book Leaf on September 30, 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.*