# 二胡调音器 vs 二胡音阶练习

The clearest difference is in-app purchases: 二胡音阶练习 at none against 二胡调音器's 1. On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. 二胡调音器 sells 1 one-off in-app purchase. 二胡音阶练习 asks for nothing beyond the download.

## The numbers

| Metric | 二胡调音器 | 二胡音阶练习 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/id1314785916/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Size | 40 MB | 1 MB |
| Requires iOS | **13.0** | 14.4 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [鑫磊 张](https://appshunter.io/developer/1051215758) | [文博 王](https://appshunter.io/developer/1577049382) |

## What reviewers say

### 二胡调音器

[App page](https://appshunter.io/ios/app/id1314785916)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 二胡调音器VIP | $5.99 | one-time |


### 二胡音阶练习

[App page](https://appshunter.io/ios/app/id6477751286)

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

**In-app purchases:** none


## Frequently asked questions

### Is 二胡调音器 free?

二胡调音器 is free to download, with in-app purchases available.

### Is 二胡音阶练习 free?

二胡音阶练习 is free to download, with no in-app purchases.

### Do 二胡调音器 or 二胡音阶练习 have ads?

Neither 二胡调音器 nor 二胡音阶练习 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.*