# 开嗓练声 vs Vocal Helper

The clearest difference is update cadence: Vocal Helper at every 5 days against 开嗓练声's every 4 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. 开嗓练声 sells 6 in-app purchases, starting at $3.99 per month and Vocal Helper sells 2 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

开嗓练声 ships an update every 4 weeks, Vocal Helper every 5 days. The most recent releases landed on November 7, 2026 and November 4, 2026 respectively.

## The numbers

| Metric | 开嗓练声 | Vocal Helper |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.7 (167 ratings)](https://appshunter.io/ios/app/id1591389896/reviews)** | — |
| Number of ratings | **167** | — |
| Positive reviews | 59.6% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 4 weeks | **Every 5 days** |
| Monetization | Free with in-app purchases | — |
| Size | 275 MB | 46 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | iPhone, iPad, iPod | **iPhone, iPad, iPod, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Laiyin Innovation Technology Co., Ltd.](https://appshunter.io/developer/6810118949) | [明亮 卢](https://appshunter.io/developer/1738484114) |

## What reviewers say

### 开嗓练声

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

This app provides tools for vocal training and music theory. It offers scale exercises, real-time pitch detection, vocal lessons, and ear training with intelligent scoring. It also includes a metronome and piano keyboard for practice.

**Highlights:** Scale exercises with custom options, Real-time pitch and accuracy detection, Vocal technique lessons, Sight-singing and ear training, Built-in metronome and piano keyboard

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

**In-app purchases (6)**

| 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 |
| 1个月会员 | $5.99 | one-time |
| 合唱团季会员 | $14.99 | one-time |
| 合唱团-年会员 | $29.99 | one-time |


### Vocal Helper

[App page](https://appshunter.io/ios/app/vocal-helper/id6480302530)

**Features:** Vision Pro support, iPhone Duo support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| One year | $6.99 | one-time |
| Lifetime | $19.99 | one-time |


## Frequently asked questions

### Is 开嗓练声 free?

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

### Is Vocal Helper free?

Vocal Helper is free to download, with in-app purchases available.

### Do 开嗓练声 or Vocal Helper have ads?

Neither 开嗓练声 nor Vocal Helper shows ads.

### Which is updated more often, 开嗓练声 or Vocal Helper?

开嗓练声 ships an update every 4 weeks, and Vocal Helper every 5 days. Most recently, 开嗓练声 was updated on November 7, 2026 and Vocal Helper on November 4, 2026.

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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.*