# Mandolin Tuner vs 准音

The clearest difference is in-app purchases: 准音 at none against Mandolin Tuner's 2. 准音 also leads on ads (none vs shown). Mandolin Tuner's advantage is device support (3 vs 1) and iOS requirement (12.0 vs 18.5). On price there is nothing between them.

Both are free to download. Mandolin Tuner sells 2 in-app purchases, starting at $2.99 per 7 days. 准音 asks for nothing beyond the download.

## The numbers

| Metric | Mandolin Tuner | 准音 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | Yes | **No** |
| Update frequency | Monthly | — |
| Size | 52 MB | 10 MB |
| Requires iOS | **12.0** | 18.5 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [NETIGEN Kluzowicz sp. j.](https://appshunter.io/developer/892331873) | [凯 王](https://appshunter.io/developer/1824464680) |

## What reviewers say

### Mandolin Tuner

[App page](https://appshunter.io/ios/app/mandolin-tuner-xtuner-pro/id6744967958)

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1 week subscription + trial | $2.99 | per 7 days |
| Forever one-time payment | $19.99 | one-time |


### 准音

[App page](https://appshunter.io/ios/app/id6754048367)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mandolin Tuner free?

Mandolin Tuner is free to download, with in-app purchases available.

### Is 准音 free?

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

### Do Mandolin Tuner or 准音 have ads?

Mandolin Tuner shows ads; 准音 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.*