# スライドで基数変換！進数電卓 vs App Lock

The clearest difference is price: スライドで基数変換！進数電卓 at Free against App Lock's $2.99. スライドで基数変換！進数電卓 also leads on iOS requirement (13.0 vs 17.0). App Lock's advantage is device support. On in-app purchases there is nothing between them.

スライドで基数変換！進数電卓 is free to download; App Lock costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | スライドで基数変換！進数電卓 | App Lock |
| --- | --- | --- |
| Price | **Free** | $2.99 |
| In-app purchases | No | No |
| Ads | — | No |
| Update frequency | — | Every 4 months |
| Size | 8 MB | 5 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | — | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [HANAUTA INC.](https://appshunter.io/developer/492009717) | [Shun Isayama](https://appshunter.io/developer/1578976556) |

## What reviewers say

### スライドで基数変換！進数電卓

[App page](https://appshunter.io/ios/app/id1643460318)

**In-app purchases:** none


### App Lock

[App page](https://appshunter.io/ios/app/app-lock-beat-phone-addiction/id6480579055)

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

**In-app purchases:** none


## Frequently asked questions

### Is スライドで基数変換！進数電卓 free?

スライドで基数変換！進数電卓 is free to download, with no in-app purchases.

### Is App Lock free?

App Lock costs $2.99, with no in-app purchases.

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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.*