# Book Yappy vs Marron ToDo

The clearest difference is ads: Book Yappy at none against Marron ToDo's shown. Book Yappy also leads on iOS requirement (17.2 vs 26.0). On price, update cadence, in-app purchases and device support there is nothing between them.

Both are free to download. Book Yappy sells 2 in-app purchases, starting at $3.99 per month and Marron ToDo sells 3 in-app purchases, starting at $0.99 per month. Whichever you choose, the download price is not the number that matters.

Book Yappy ships an update every 10 days, Marron ToDo weekly. The most recent releases landed on October 21, 2026 and October 28, 2026 respectively.

## The numbers

| Metric | Book Yappy | Marron ToDo |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (4 ratings)](https://appshunter.io/ios/app/book-yappy-reading-tracker/id6747359808/reviews)** | — |
| Number of ratings | **4** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 10 days | **Weekly** |
| Monetization | Freemium | — |
| Size | 73 MB | 23 MB |
| Requires iOS | **17.2** | 26.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Fajar Dirham](https://appshunter.io/developer/1597228456) | [Kensuke Hoshikawa](https://appshunter.io/developer/733552122) |

## What reviewers say

### Book Yappy

[App page](https://appshunter.io/ios/app/book-yappy-reading-tracker/id6747359808)

This app helps you track your reading progress, stay motivated, and build consistent reading habits. Engage with virtual book characters and analyze your reading data. A subscription unlocks advanced features like data syncing and more character interactions.

**Highlights:** Reading habit tracking, Reading motivation tools, Book character chat, Reading data analysis, Note taking, Data syncing (subscription)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| BookYap Plus Monthly | $3.99 | per month |
| BookYap Plus Yearly | $29.99 | per year |


### Marron ToDo

[App page](https://appshunter.io/ios/app/marron-todo/id6760174570)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly Plan | $0.99 | per month |
| Yearly Plan | $7.99 | per year |
| Lifetime Plan | $19.99 | one-time |


## Frequently asked questions

### Is Book Yappy free?

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

### Is Marron ToDo free?

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

### Do Book Yappy or Marron ToDo have ads?

Marron ToDo shows ads; Book Yappy does not.

### Which is updated more often, Book Yappy or Marron ToDo?

Book Yappy ships an update every 10 days, and Marron ToDo weekly. Most recently, Book Yappy was updated on October 21, 2026 and Marron ToDo on October 28, 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.*