# Calculator with 12 button vs Calculator

The clearest difference is in-app purchases: Calculator with 12 button at none against Calculator's 2. Calculator's advantage is iOS requirement (15.0 vs 26.0). On price and update cadence there is nothing between them.

Both are free to download. Calculator sells 2 in-app purchases, starting at $1.99 per month. Calculator with 12 button asks for nothing beyond the download.

Calculator with 12 button ships an update every 2 months, Calculator every 3 months. Both last shipped on November 5, 2026.

## The numbers

| Metric | Calculator with 12 button | Calculator |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | Yes | — |
| Update frequency | **Every 2 months** | Every 3 months |
| Size | 42 MB | 29 MB |
| Requires iOS | 26.0 | **15.0** |
| Devices | **iPhone** | — |
| Age rating | 4+ | 4+ |
| Developer | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) | [Bhaskar Rao](https://appshunter.io/developer/1862718308) |

## 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


### Calculator

[App page](https://appshunter.io/ios/app/calculator-simple-calculator/id6760180583)

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monthly | $1.99 | per month |
| Yearly | $9.99 | per year |


## Frequently asked questions

### Is Calculator with 12 button free?

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

### Is Calculator free?

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

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

Calculator with 12 button ships an update every 2 months, and Calculator every 3 months. Most recently, Calculator with 12 button was updated on November 5, 2026 and Calculator 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.*