# K.O. Flip vs Zero Puzzles

The clearest difference is in-app purchases: K.O. Flip at none against Zero Puzzles's 3. Zero Puzzles's advantage is ads (none vs shown). On price, device support and iOS requirement there is nothing between them.

Both are free to download. Zero Puzzles sells 3 one-off in-app purchases. K.O. Flip asks for nothing beyond the download.

## The numbers

| Metric | K.O. Flip | Zero Puzzles |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 4 months | — |
| Size | 57 MB | 26 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 12+ |
| Developer | [又瑞 韦](https://appshunter.io/developer/1625836878) | [月蓬 桂](https://appshunter.io/developer/1597056934) |

## 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


### Zero Puzzles

[App page](https://appshunter.io/ios/app/zero-puzzles/id6811256301)

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

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Credits (100) | $1.99 | one-time |
| Credits (1000) | $9.99 | one-time |
| Lifetime Unlock | $19.99 | one-time |


## Frequently asked questions

### Is K.O. Flip free?

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

### Is Zero Puzzles free?

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

### Do K.O. Flip or Zero Puzzles have ads?

K.O. Flip shows ads; Zero Puzzles 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.*