# ShiftMatch vs Calculator Keyboard

The clearest difference is in-app purchases: ShiftMatch at none against Calculator Keyboard's 1. Calculator Keyboard's advantage is device support and iOS requirement (17.6 vs 26.2). On price there is nothing between them.

Both are free to download. Calculator Keyboard sells 1 one-off in-app purchase. ShiftMatch asks for nothing beyond the download.

## The numbers

| Metric | ShiftMatch | Calculator Keyboard |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | — | No |
| Update frequency | — | Weekly |
| Size | 9 MB | 1 MB |
| Requires iOS | 26.2 | **17.6** |
| Devices | — | **iPhone, iPad** |
| Age rating | 17+ | 4+ |
| Developer | [Tatsuro Furuya](https://appshunter.io/developer/1865297357) | [Ryunosuke Karimata](https://appshunter.io/developer/1871969813) |

## What reviewers say

### ShiftMatch

[App page](https://appshunter.io/ios/app/shiftmatch/id6757206002)

**In-app purchases:** none


### Calculator Keyboard

[App page](https://appshunter.io/ios/app/calculator-keyboard-calkey/id6758283103)

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Pro Upgrade | $2.99 | one-time |


## Frequently asked questions

### Is ShiftMatch free?

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

### Is Calculator Keyboard free?

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

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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.*