# K.O. Flip vs 数独侦探手

The clearest difference is ads: 数独侦探手 at none against K.O. Flip's shown. 数独侦探手 also leads on iOS requirement (12.0 vs 15.0). On price, in-app purchases and device support 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 | K.O. Flip | 数独侦探手 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Size | 57 MB | 25 MB |
| Requires iOS | 15.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [又瑞 韦](https://appshunter.io/developer/1625836878) | [Zhuhai Record Yi Technology Co.,Ltd.](https://appshunter.io/developer/1638483191) |

## What reviewers say

### K.O. Flip

[App page](https://appshunter.io/ios/app/ko-flip-light-up/id1627027420)

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

**In-app purchases:** none


### 数独侦探手

[App page](https://appshunter.io/ios/app/id6745168821)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is K.O. Flip free?

K.O. Flip is free to download, with no in-app purchases.

### Is 数独侦探手 free?

数独侦探手 is free to download, with no in-app purchases.

### Do K.O. Flip or 数独侦探手 have ads?

K.O. Flip shows ads; 数独侦探手 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.*