# All Zero Puzzle vs c

The clearest difference is update cadence: c at fortnightly against All Zero Puzzle's every 15 months. c also leads on iOS requirement (13.0 vs 15.6). On price, ads, in-app purchases and monetization model there is nothing between them.

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

All Zero Puzzle ships an update every 15 months, c fortnightly. The most recent releases landed on October 6, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | All Zero Puzzle | c |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.5 (2 ratings)](https://appshunter.io/ios/app/c-c/id1628265817/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 80.0% of reviews | — |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 15 months | **Fortnightly** |
| Monetization | Ad-supported | Ad-supported |
| Size | 86 MB | 76 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) | [文锋 郑](https://appshunter.io/developer/1590995911) |

## 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


### c

[App page](https://appshunter.io/ios/app/c-c/id1628265817)

A simple and fun puzzle game with two engaging modes: challenge and time-based levels. Utilize free in-game props to help you clear the screen by eliminating identical images. Supports multiple languages for a global player base.

**Highlights:** Two game modes: challenge and time, Eliminate identical images, Free in-game props, Multiple language support, Increasing difficulty with time

**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 c free?

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

### Do All Zero Puzzle or c have ads?

Both All Zero Puzzle and c show ads.

### Which is updated more often, All Zero Puzzle or c?

All Zero Puzzle ships an update every 15 months, and c fortnightly. Most recently, All Zero Puzzle was updated on October 6, 2026 and c on October 8, 2026.

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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.*