# 隐记 vs ADHD检测

The clearest difference is iOS requirement: 隐记 at 13.0 against ADHD检测's 17. On price and in-app purchases there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | 隐记 | ADHD检测 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Update frequency | Every 5 months | — |
| Size | 70 MB | 4 MB |
| Requires iOS | **13.0** | 17 |
| Age rating | 4+ | 4+ |
| Developer | [Chengdu Pointer Leap Network Technology Co., Ltd.](https://appshunter.io/developer/1744281060) | [升升 何](https://appshunter.io/developer/1821082691) |

## What reviewers say

### 隐记

[App page](https://appshunter.io/ios/app/id6502042096)

**In-app purchases:** none


### ADHD检测

[App page](https://appshunter.io/ios/app/adhd-er/id6748230903)

**In-app purchases:** none


## Frequently asked questions

### Is 隐记 free?

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

### Is ADHD检测 free?

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

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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.*