# Calculator with 12 button vs Math Beast

The clearest difference is in-app purchases: Calculator with 12 button at none against Math Beast's 2. Math Beast's advantage is ads (none vs shown) and device support (3 vs 1). On price and update cadence there is nothing between them.

Both are free to download. Math Beast sells 2 one-off in-app purchases. Calculator with 12 button asks for nothing beyond the download.

Calculator with 12 button ships an update every 2 months, Math Beast monthly. The most recent releases landed on October 30, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Calculator with 12 button | Math Beast |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/math-beast/id6757968352/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | **No** | Yes |
| Ads | Yes | **No** |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | — | Free |
| Size | 42 MB | 57 MB |
| Requires iOS | 26.0 | **15.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Scale9dev](https://appshunter.io/developer/1861605142) |

## What reviewers say

### Calculator with 12 button

[App page](https://appshunter.io/ios/app/calculator-with-12-button/id6754877013)

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

**In-app purchases:** none


### Math Beast

[App page](https://appshunter.io/ios/app/math-beast/id6757968352)

A fast and intuitive calculator app offering basic, scientific, and unit conversion modes. Personalize your experience with custom themes, haptics, and sound effects for everyday calculations, homework, or work.

**Highlights:** Basic calculator, Scientific calculator, Unit conversions, Calculation history, Custom themes, Haptics and sound effects

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Math Beast Basic | $1.99 | one-time |
| Math Beast Pro | $4.99 | one-time |


## Frequently asked questions

### Is Calculator with 12 button free?

Calculator with 12 button is free to download, with no in-app purchases.

### Is Math Beast free?

Math Beast is free to download, with in-app purchases available.

### Do Calculator with 12 button or Math Beast have ads?

Calculator with 12 button shows ads; Math Beast does not.

### Which is updated more often, Calculator with 12 button or Math Beast?

Calculator with 12 button ships an update every 2 months, and Math Beast monthly. Most recently, Calculator with 12 button was updated on October 30, 2026 and Math Beast on November 5, 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.*