# Calculation vs Calculator with 12 button

The clearest difference is iOS requirement: Calculation at 16.0 against Calculator with 12 button's 26.0. 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 2 months. The most recent releases landed on September 30, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | Calculation | Calculator with 12 button |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | Yes | Yes |
| Update frequency | Every 2 months | Every 2 months |
| Size | 7 MB | 42 MB |
| Requires iOS | **16.0** | 26.0 |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [SooRyong Hyun](https://appshunter.io/developer/1685604103) | [Hideaki Uchikoshi](https://appshunter.io/developer/1559575002) |

## What reviewers say

### Calculation

[App page](https://appshunter.io/ios/app/calculation-basic-calculator/id6462632655)

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Calculation free?

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

### Is Calculator with 12 button free?

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

### Do Calculation or Calculator with 12 button have ads?

Both Calculation and Calculator with 12 button show ads.

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

Calculation ships an update every 2 months, and Calculator with 12 button every 2 months. Most recently, Calculation was updated on September 30, 2026 and Calculator with 12 button on October 1, 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.*