# 回想 vs 纯K训练助手

The clearest difference is ads: 回想 at none against 纯K训练助手's shown. On price, in-app purchases, device support and iOS requirement there is nothing between them.

Both are free to download. 回想 sells 2 in-app purchases, starting at $1.99 per month and 纯K训练助手 sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

## The numbers

| Metric | 回想 | 纯K训练助手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Every 3 days |
| Size | 2 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [YANG MENG](https://appshunter.io/developer/1892026572) | [忠杲 王](https://appshunter.io/developer/1896211214) |

## What reviewers say

### 回想

[App page](https://appshunter.io/ios/app/id6761911121)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Annual | $14.99 | per year |


### 纯K训练助手

[App page](https://appshunter.io/ios/app/k/id6766147411)

**Features:** macOS Compatibility, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 周会员 | $0.99 | one-time |
| 月度会员 | $2.99 | one-time |


## Frequently asked questions

### Is 回想 free?

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

### Is 纯K训练助手 free?

纯K训练助手 is free to download, with in-app purchases available.

### Do 回想 or 纯K训练助手 have ads?

纯K训练助手 shows ads; 回想 does not.

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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.*