# スマホ制限・アプリロック｜GORILLA LOCK vs 勉強用・作業用BGM・環境音ブレンダー

The clearest difference is ads: スマホ制限・アプリロック｜GORILLA LOCK at none against 勉強用・作業用BGM・環境音ブレンダー's shown. 勉強用・作業用BGM・環境音ブレンダー's advantage is iOS requirement (13.0 vs 18.0). On price, in-app purchases and device support there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | スマホ制限・アプリロック｜GORILLA LOCK | 勉強用・作業用BGM・環境音ブレンダー |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | Every 9 days | — |
| Size | 12 MB | 66 MB |
| Requires iOS | 18.0 | **13.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [NAOYA IHA](https://appshunter.io/developer/1884599493) | [RANRAN Solutions](https://appshunter.io/developer/1760305402) |

## What reviewers say

### スマホ制限・アプリロック｜GORILLA LOCK

[App page](https://appshunter.io/ios/app/gorilla-lock/id6773492866)

**In-app purchases:** none


### 勉強用・作業用BGM・環境音ブレンダー

[App page](https://appshunter.io/ios/app/bgm/id6782368589)

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

**In-app purchases:** none


## Frequently asked questions

### Is スマホ制限・アプリロック｜GORILLA LOCK free?

スマホ制限・アプリロック｜GORILLA LOCK is free to download, with no in-app purchases.

### Is 勉強用・作業用BGM・環境音ブレンダー free?

勉強用・作業用BGM・環境音ブレンダー is free to download, with no in-app purchases.

### Do スマホ制限・アプリロック｜GORILLA LOCK or 勉強用・作業用BGM・環境音ブレンダー have ads?

勉強用・作業用BGM・環境音ブレンダー shows ads; スマホ制限・アプリロック｜GORILLA LOCK does not.

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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.*