# 考研加油鸭 vs MetaBooks

The clearest difference is in-app purchases: 考研加油鸭 at none against MetaBooks's 2. 考研加油鸭 also leads on iOS requirement (12.0 vs 15.6). On price, update cadence, ads and device support there is nothing between them.

Both are free to download. MetaBooks sells 2 one-off in-app purchases. 考研加油鸭 asks for nothing beyond the download.

考研加油鸭 ships an update fortnightly, MetaBooks every 2 weeks. The most recent releases landed on September 18, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | 考研加油鸭 | MetaBooks |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/metabooks/id6742443022/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 44 MB | 329 MB |
| Requires iOS | **12.0** | 15.6 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [文曜 栾](https://appshunter.io/developer/1554398448) | [涛 刘](https://appshunter.io/developer/1798350441) |

## What reviewers say

### 考研加油鸭

[App page](https://appshunter.io/ios/app/id1555208800)

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is 考研加油鸭 free?

考研加油鸭 is free to download, with no in-app purchases.

### Is MetaBooks free?

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

### Do 考研加油鸭 or MetaBooks have ads?

Neither 考研加油鸭 nor MetaBooks shows ads.

### Which is updated more often, 考研加油鸭 or MetaBooks?

考研加油鸭 ships an update fortnightly, and MetaBooks every 2 weeks. Most recently, 考研加油鸭 was updated on September 18, 2026 and MetaBooks on June 1, 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.*