# K12记忆卡片 vs 氨基酸记忆卡

The clearest difference is in-app purchases: K12记忆卡片 at none against 氨基酸记忆卡's 1. K12记忆卡片 also leads on iOS requirement (10.0 vs 15.6). On price, ads and device support there is nothing between them.

Both are free to download. 氨基酸记忆卡 sells 1 one-off in-app purchase. K12记忆卡片 asks for nothing beyond the download.

## The numbers

| Metric | K12记忆卡片 | 氨基酸记忆卡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 3 months |
| Size | 95 MB | 27 MB |
| Requires iOS | **10.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [上海青蓝赤壁信息技术有限公司](https://appshunter.io/developer/1470359775) | [锐坚 许](https://appshunter.io/developer/668626907) |

## What reviewers say

### K12记忆卡片

[App page](https://appshunter.io/ios/app/k12/id1570205359)

**Features:** macOS Compatibility

**In-app purchases:** none


### 氨基酸记忆卡

[App page](https://appshunter.io/ios/app/id6523431549)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 购买一年使用权 | $1.99 | one-time |


## Frequently asked questions

### Is K12记忆卡片 free?

K12记忆卡片 is free to download, with no in-app purchases.

### Is 氨基酸记忆卡 free?

氨基酸记忆卡 is free to download, with in-app purchases available.

### Do K12记忆卡片 or 氨基酸记忆卡 have ads?

Neither K12记忆卡片 nor 氨基酸记忆卡 shows ads.

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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.*