# Calculator Game vs MathRush.

The clearest difference is device support: Calculator Game at 3 against MathRush.'s 1. Calculator Game also leads on iOS requirement (14.0 vs 16.0). On price, update cadence, ads and in-app purchases there is nothing between them.

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

Both ship on a similar rhythm, roughly every 9 days. The most recent releases landed on September 14, 2026 and September 8, 2026 respectively.

## The numbers

| Metric | Calculator Game | MathRush. |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 9 days | Every 9 days |
| Size | 130 MB | 18 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Hisashi Yoshizawa](https://appshunter.io/developer/1770019728) | [SANGBEOM PARK](https://appshunter.io/developer/1796086696) |

## What reviewers say

### Calculator Game

[App page](https://appshunter.io/ios/app/calculator-game-number-rush/id6740775860)

**In-app purchases:** none


### MathRush.

[App page](https://appshunter.io/ios/app/mathrush/id6749843351)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Calculator Game free?

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

### Is MathRush. free?

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

### Do Calculator Game or MathRush. have ads?

Both Calculator Game and MathRush. show ads.

### Which is updated more often, Calculator Game or MathRush.?

Calculator Game ships an update every 9 days, and MathRush. every 9 days. Most recently, Calculator Game was updated on September 14, 2026 and MathRush. on September 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.*