# MasTuner vs 调音器Cat

The clearest difference is in-app purchases: MasTuner at none against 调音器Cat's 4. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 调音器Cat sells 4 one-off in-app purchases. MasTuner asks for nothing beyond the download.

## The numbers

| Metric | MasTuner | 调音器Cat |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | — | Every 2 months |
| Size | 20 MB | 33 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | iPhone, iPod | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [攀 李](https://appshunter.io/developer/1653533422) | [Wuhan Net Power Technology Co., Ltd](https://appshunter.io/developer/1334612744) |

## What reviewers say

### MasTuner

[App page](https://appshunter.io/ios/app/mastuner/id6743464784)

**Features:** macOS Compatibility

**In-app purchases:** none


### 调音器Cat

[App page](https://appshunter.io/ios/app/cat/id6759902960)

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

**In-app purchases (4)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 月度会员 | $0.99 | one-time |
| 年度会员 | $3.99 | one-time |
| 两年会员 | $5.99 | one-time |
| 永久会员 | $5.99 | one-time |


## Frequently asked questions

### Is MasTuner free?

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

### Is 调音器Cat free?

调音器Cat is free to download, with in-app purchases available.

### Do MasTuner or 调音器Cat have ads?

Neither MasTuner nor 调音器Cat shows ads.

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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.*