# 开嗓练声 vs Audio for Work

The clearest difference is update cadence: Audio for Work at daily against 开嗓练声's monthly. 开嗓练声's advantage is device support (3 vs 1) and iOS requirement (14.0 vs 18.0). On price, ads and in-app purchases 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 and Audio for Work sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

开嗓练声 ships an update monthly, Audio for Work daily. The most recent releases landed on October 27, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | 开嗓练声 | Audio for Work |
| --- | --- | --- |
| 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 | Yes |
| Ads | No | No |
| Update frequency | Monthly | **Daily** |
| Monetization | Free with in-app purchases | — |
| Size | 259 MB | 534 MB |
| Requires iOS | **14.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Beijing Laiyin Innovation Technology Co., Ltd.](https://appshunter.io/developer/6810118949) | [Nocoly.com](https://appshunter.io/developer/1766222288) |

## 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 |


### Audio for Work

[App page](https://appshunter.io/ios/app/audio-for-work/id6761711935)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlimited | $9.99 | 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 Audio for Work free?

Audio for Work is free to download, with in-app purchases available.

### Do 开嗓练声 or Audio for Work have ads?

Neither 开嗓练声 nor Audio for Work shows ads.

### Which is updated more often, 开嗓练声 or Audio for Work?

开嗓练声 ships an update monthly, and Audio for Work daily. Most recently, 开嗓练声 was updated on October 27, 2026 and Audio for Work on October 25, 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.*