# 开嗓练声 vs GrooveSync

The clearest difference is in-app purchases: GrooveSync at none against 开嗓练声's 5. GrooveSync also leads on iOS requirement (12.0 vs 14.0). On price, ads and device support there is nothing between them.

Both are free to download. 开嗓练声 sells 5 in-app purchases, starting at $3.99 per month. GrooveSync asks for nothing beyond the download.

## The numbers

| Metric | 开嗓练声 | GrooveSync |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.8 (166 ratings)](https://appshunter.io/ios/app/id1591389896/reviews)** | — |
| Number of ratings | **166** | — |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Monthly | — |
| Monetization | Free with in-app purchases | — |
| Size | 259 MB | 800 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Laiyin Innovation Technology Co., Ltd.](https://appshunter.io/developer/6810118949) | [Shuanglei wang](https://appshunter.io/developer/990620311) |

## What reviewers say

### 开嗓练声

[App page](https://appshunter.io/ios/app/id1591389896)

This app offers vocal training tools for singers, including scale exercises, real-time pitch detection, and ear training. It provides lessons on breathing, vocalization, and pitch accuracy, along with practice tools like a metronome and piano keyboard.

**Highlights:** Scale exercises with custom options, Real-time pitch detection and accuracy monitoring, Vocal technique lessons and demonstrations, Ear training for pitch recognition, Built-in metronome and piano keyboard, Intelligent scoring for sight-singing practice

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

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 开嗓练声月会员 | $3.99 | per month |
| 开嗓练声季度会员 | $7.99 | per 3 months |
| 开嗓练声年度会员 | $19.99 | per year |
| 合唱团季会员 | $14.99 | one-time |
| 合唱团-年会员 | $29.99 | one-time |


### GrooveSync

[App page](https://appshunter.io/ios/app/groovesync/id6754971879)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is 开嗓练声 free?

开嗓练声 is free to download, with in-app purchases available.

### Is GrooveSync free?

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

### Do 开嗓练声 or GrooveSync have ads?

Neither 开嗓练声 nor GrooveSync 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.*