# 诊迹 vs SmartMemo

The clearest difference is in-app purchases: SmartMemo at none against 诊迹's 3. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 诊迹 sells 3 in-app purchases, starting at $0.99 per month. SmartMemo asks for nothing beyond the download.

## The numbers

| Metric | 诊迹 | SmartMemo |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Fortnightly | — |
| Size | 28 MB | 400 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [欢 刘](https://appshunter.io/developer/1892614343) | [晓 郭](https://appshunter.io/developer/1895645928) |

## What reviewers say

### 诊迹

[App page](https://appshunter.io/ios/app/id6774402123)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 诊迹 Pro 月订阅 | $0.99 | per month |
| 诊迹 Pro 年订阅 | $6.99 | per year |
| 诊迹 Pro 终身会员 | $14.99 | one-time |


### SmartMemo

[App page](https://appshunter.io/ios/app/smartmemo-ai-notes/id6778720233)

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

**In-app purchases:** none


## Frequently asked questions

### Is 诊迹 free?

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

### Is SmartMemo free?

SmartMemo is free to download, with no in-app purchases.

### Do 诊迹 or SmartMemo have ads?

Neither 诊迹 nor SmartMemo 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.*