# 深淵神経 vs マッスルフレンド

The clearest difference is in-app purchases: 深淵神経 at none against マッスルフレンド's 7. 深淵神経 also leads on ads (none vs shown). マッスルフレンド's advantage is device support (3 vs 1) and iOS requirement (13.0 vs 16.4). On price there is nothing between them.

Both are free to download. マッスルフレンド sells 7 one-off in-app purchases. 深淵神経 asks for nothing beyond the download.

## The numbers

| Metric | 深淵神経 | マッスルフレンド |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | — | Fortnightly |
| Size | 31 MB | 17 MB |
| Requires iOS | 16.4 | **13.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Takashi Iwasaki](https://appshunter.io/developer/1868144425) | [KOTA KONISHI](https://appshunter.io/developer/6793996414) |

## What reviewers say

### 深淵神経

[App page](https://appshunter.io/ios/app/abyss-neuron/id6798227348)

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

**In-app purchases:** none


### マッスルフレンド

[App page](https://appshunter.io/ios/app/id6804350802)

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

**In-app purchases (7)**

| Purchase | Price | Billing |
| --- | --- | --- |
| マッスルガチャ 1回 | $0.99 | one-time |
| 初回限定!SSR顔パーツ確定パック | $0.99 | one-time |
| おにぎり | $0.99 | one-time |
| エナジードリンク | $1.99 | one-time |
| プロテイン | $2.99 | one-time |
| マッスルガチャ 10連 | $5.99 | one-time |
| 特上焼肉セット | $5.99 | one-time |


## Frequently asked questions

### Is 深淵神経 free?

深淵神経 is free to download, with no in-app purchases.

### Is マッスルフレンド free?

マッスルフレンド is free to download, with in-app purchases available.

### Do 深淵神経 or マッスルフレンド have ads?

マッスルフレンド shows ads; 深淵神経 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.*