# 星e购导购 vs 氨基酸记忆卡

The clearest difference is in-app purchases: 星e购导购 at none against 氨基酸记忆卡's 1. 星e购导购 also leads on iOS requirement (8.0 vs 15.6). On price, update cadence, 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. 星e购导购 asks for nothing beyond the download.

星e购导购 ships an update every 6 weeks, 氨基酸记忆卡 every 3 months. The most recent releases landed on October 4, 2026 and October 17, 2026 respectively.

## The numbers

| Metric | 星e购导购 | 氨基酸记忆卡 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Every 6 weeks** | Every 3 months |
| Size | 39 MB | 27 MB |
| Requires iOS | **8.0** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [E&E Co. Ltd](https://appshunter.io/developer/1209942180) | [锐坚 许](https://appshunter.io/developer/668626907) |

## What reviewers say

### 星e购导购

[App page](https://appshunter.io/ios/app/e/id1444573725)

**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 星e购导购 free?

星e购导购 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 星e购导购 or 氨基酸记忆卡 have ads?

Neither 星e购导购 nor 氨基酸记忆卡 shows ads.

### Which is updated more often, 星e购导购 or 氨基酸记忆卡?

星e购导购 ships an update every 6 weeks, and 氨基酸记忆卡 every 3 months. Most recently, 星e购导购 was updated on October 4, 2026 and 氨基酸记忆卡 on October 17, 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.*