# MetaBooks vs Croc 24

The clearest difference is monetization model: Croc 24 at free against MetaBooks's free with in-app purchases. MetaBooks's advantage is iOS requirement (15.6 vs 17.0). On price, rating, ratings volume and update cadence there is nothing between them.

Both are free to download. MetaBooks sells 2 one-off in-app purchases and Croc 24 sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for MetaBooks against 5.0 for Croc 24. Both are backed by a comparable volume of ratings — 1 and 2 respectively.

MetaBooks ships an update every 2 weeks, Croc 24 every 3 weeks. The most recent releases landed on June 1, 2026 and July 9, 2026 respectively.

## The numbers

| Metric | MetaBooks | Croc 24 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/metabooks/id6742443022/reviews) | [5.0 (2 ratings)](https://appshunter.io/ios/app/croc-24-math-game/id6746104087/reviews) |
| Number of ratings | 1 | **2** |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 3 weeks |
| Monetization | Free with in-app purchases | **Free** |
| Size | 329 MB | 23 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [涛 刘](https://appshunter.io/developer/1798350441) | [Wei Wang](https://appshunter.io/developer/1467609434) |

## What reviewers say

### MetaBooks

[App page](https://appshunter.io/ios/app/metabooks/id6742443022)

This AI-powered bilingual storybook app helps children learn English and Chinese through interactive reading and voice chat. A friendly AI tutor assists with pronunciation and speaking practice, making language acquisition fun and effective for young learners.

**Highlights:** AI-powered bilingual storybooks, Interactive reading experience, Real-time voice chat for practice, AI tutor for pronunciation, Stories for different age groups, Conversation practice

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 60-Minutes Live Chat | $0.99 | one-time |
| 300-Minutes Live Chat | $1.99 | one-time |


### Croc 24

[App page](https://appshunter.io/ios/app/croc-24-math-game/id6746104087)

This app offers a fun way to practice and master the 24 game. It features a free calculator for finding solutions, a challenge mode for testing skills, and a history tracker to monitor progress. Enjoy a delightful and ad-free mathematical adventure.

**Highlights:** Free calculator for finding all solutions, Challenge mode with random puzzles, History tracker for progress monitoring, Powerful mathematical algorithm, Adorable and intuitive interface, Ad-free gaming experience

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Premium | $1.99 | one-time |


## Frequently asked questions

### Is MetaBooks free?

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

### Is Croc 24 free?

Croc 24 is free to download, with in-app purchases available.

### Which has better reviews, MetaBooks or Croc 24?

MetaBooks and Croc 24 are both rated 5.0 out of 5 on the App Store, from 1 and 2 ratings respectively.

### Do MetaBooks or Croc 24 have ads?

Neither MetaBooks nor Croc 24 shows ads.

### Which is updated more often, MetaBooks or Croc 24?

MetaBooks ships an update every 2 weeks, and Croc 24 every 3 weeks. Most recently, MetaBooks was updated on June 1, 2026 and Croc 24 on July 9, 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.*