# All Zero Puzzle vs One Merge

The clearest difference is ads: One Merge at none against All Zero Puzzle's shown. One Merge also leads on iOS requirement (13.0 vs 15.6). 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 | All Zero Puzzle | One Merge |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | **No** |
| Update frequency | Every 15 months | — |
| Monetization | Ad-supported | — |
| Size | 86 MB | 8 MB |
| Requires iOS | 15.6 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [be-style](https://appshunter.io/developer/534131442) | [Jaymin Sorathiya](https://appshunter.io/developer/1665505439) |

## What reviewers say

### All Zero Puzzle

[App page](https://appshunter.io/ios/app/all-zero-puzzle/id1139201787)

A puzzle game where you manipulate numbers on panels to make all question panels zero. It offers 200 free levels with increasing difficulty and a daily challenge. Practice addition and subtraction with helpful hints and an undo function.

**Highlights:** Solve 200 free levels, Increasing difficulty, Daily challenge, Addition and subtraction practice, Hint and undo functions, No time limit, Leaderboard integration

**Features:** Vision Pro support

**In-app purchases:** none


### One Merge

[App page](https://appshunter.io/ios/app/one-merge/id6480373159)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is All Zero Puzzle free?

All Zero Puzzle is free to download, with no in-app purchases.

### Is One Merge free?

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

### Do All Zero Puzzle or One Merge have ads?

All Zero Puzzle shows ads; One Merge does not.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*