# Leaf vs Cat On Book

The clearest difference is ads: Cat On Book at none against Leaf's shown. Cat On Book also leads on update cadence (every 3 days vs weekly). On price, review sentiment, in-app purchases and monetization model there is nothing between them.

Both are free to download. Leaf sells 7 in-app purchases, starting at $2.99 per month and Cat On Book sells 3 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.

Leaf ships an update weekly, Cat On Book every 3 days. The most recent releases landed on November 9, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Leaf | Cat On Book |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (11 ratings)](https://appshunter.io/ios/app/leaf-book-and-reading-tracker/id6758457945/reviews)** | — |
| Number of ratings | **11** | — |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | Yes | **No** |
| Update frequency | Weekly | **Every 3 days** |
| Monetization | Free with in-app purchases | Freemium |
| Size | 86 MB | 254 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Vincent Ballut](https://appshunter.io/developer/1873020916) | [Gramos Imeri](https://appshunter.io/developer/1776467754) |

## What reviewers say

### Leaf

[App page](https://appshunter.io/ios/app/leaf-book-and-reading-tracker/id6758457945)

This app helps you build a consistent reading habit by tracking your progress, setting daily goals, and offering reading challenges. It provides visual progress indicators and smart book management features, including barcode scanning and Goodreads import. Advanced features like AI assistant integration are available with a Pro subscription.

**Highlights:** Daily reading streak tracking, Flexible and fixed date goal setting, Reading challenges with progress calculation, Visual progress indicators, Barcode scanning for book lookup, Goodreads library import, AI assistant integration (Pro)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Leaf Pro Monthly | $2.99 | per month |
| Leaf Pro Annual | $24.99 | per year |
| Leaf Pro Annual | $24.99 | per year |
| Small | $1.99 | one-time |
| Medium | $4.99 | one-time |
| 3-Month Challenge Pass | $9.99 | one-time |
| Large | $9.99 | one-time |


### Cat On Book

[App page](https://appshunter.io/ios/app/cat-on-book-cozy-book-tracker/id6789066439)

Organize your reading, track your progress, and build a reading habit with a virtual cat companion. Set reading goals, create a cozy atmosphere with ambient sounds, and journal your thoughts. Read solo or with friends.

**Highlights:** Organize book library, Timed reading sessions, Ambient soundscapes, Reading journal, Read with friends, Yearly reading goals, Unlockable cat companions

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Monthly | $2.99 | per month |
| Pro Annual | $17.99 | per year |
| Lifetime | $29.99 | one-time |


## Frequently asked questions

### Is Leaf free?

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

### Is Cat On Book free?

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

### Do Leaf or Cat On Book have ads?

Leaf shows ads; Cat On Book does not.

### Which is updated more often, Leaf or Cat On Book?

Leaf ships an update weekly, and Cat On Book every 3 days. Most recently, Leaf was updated on November 9, 2026 and Cat On Book on November 5, 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.*