# Coffer Crack vs Calc Ninja

The clearest difference is in-app purchases: Calc Ninja at none against Coffer Crack's 4. Coffer Crack's advantage is ads (none vs shown) and update cadence (weekly vs monthly). On price there is nothing between them.

Both are free to download. Coffer Crack sells 4 one-off in-app purchases. Calc Ninja asks for nothing beyond the download.

Coffer Crack ships an update weekly, Calc Ninja monthly. Both last shipped on October 13, 2026.

## The numbers

| Metric | Coffer Crack | Calc Ninja |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | **Weekly** | Monthly |
| Size | 76 MB | 118 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 9+ |
| Developer | [shouhui qi](https://appshunter.io/developer/1185710456) | [kotaro yamada](https://appshunter.io/developer/1193903506) |

## What reviewers say

### Coffer Crack

[App page](https://appshunter.io/ios/app/coffer-crack/id6673909263)

**Features:** macOS Compatibility

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| +1 | $0.99 | one-time |
| Get 1 | $0.99 | one-time |
| Upgradation | $0.99 | one-time |
| Pack | $1.99 | one-time |


### Calc Ninja

[App page](https://appshunter.io/ios/app/calc-ninja-mental-math-games/id6784948949)

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

**In-app purchases:** none


## Frequently asked questions

### Is Coffer Crack free?

Coffer Crack is free to download, with in-app purchases available.

### Is Calc Ninja free?

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

### Do Coffer Crack or Calc Ninja have ads?

Calc Ninja shows ads; Coffer Crack does not.

### Which is updated more often, Coffer Crack or Calc Ninja?

Coffer Crack ships an update weekly, and Calc Ninja monthly. Most recently, Coffer Crack was updated on October 13, 2026 and Calc Ninja on October 13, 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.*