# 认识动物 vs Kid Study

The clearest difference is in-app purchases: 认识动物 at none against Kid Study's 5. 认识动物 also leads on iOS requirement (10.0 vs 15.5). Kid Study's advantage is update cadence (monthly vs every 30 months). On price, ads and device support there is nothing between them.

Both are free to download. Kid Study sells 5 one-off in-app purchases. 认识动物 asks for nothing beyond the download.

认识动物 ships an update every 30 months, Kid Study monthly. The most recent releases landed on October 3, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | 认识动物 | Kid Study |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 30 months | **Monthly** |
| Size | 40 MB | 24 MB |
| Requires iOS | **10.0** | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [龙超 孟](https://appshunter.io/developer/1141716447) | [Jen Hsien Chen](https://appshunter.io/developer/1576491016) |

## What reviewers say

### 认识动物

[App page](https://appshunter.io/ios/app/id1357514925)

**In-app purchases:** none


### Kid Study

[App page](https://appshunter.io/ios/app/kid-study/id1613678208)

**Features:** macOS Compatibility

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Animal Full Version | $0.99 | one-time |
| Food Full Version | $0.99 | one-time |
| Items Full Version | $0.99 | one-time |
| World, Environment & Nature Full | $0.99 | one-time |
| Full Version | $2.99 | one-time |


## Frequently asked questions

### Is 认识动物 free?

认识动物 is free to download, with no in-app purchases.

### Is Kid Study free?

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

### Do 认识动物 or Kid Study have ads?

Neither 认识动物 nor Kid Study shows ads.

### Which is updated more often, 认识动物 or Kid Study?

认识动物 ships an update every 30 months, and Kid Study monthly. Most recently, 认识动物 was updated on October 3, 2026 and Kid Study on October 7, 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.*