# ChordsVault vs 音壳

The clearest difference is in-app purchases: ChordsVault at none against 音壳's 12. ChordsVault also leads on iOS requirement (6.0 vs 12.0). 音壳's advantage is ratings volume (19 vs 1) and update cadence (fortnightly vs every 6 weeks). On price, rating, ads and device support there is nothing between them.

Both are free to download. 音壳 sells 11 one-off in-app purchases. ChordsVault asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ChordsVault against 5.0 for 音壳. That said, the two scores are not equally well evidenced: 音壳 has 19 ratings behind it against 1, so its average is the more settled of the two.

ChordsVault ships an update every 6 weeks, 音壳 fortnightly. The most recent releases landed on June 25, 2026 and September 23, 2026 respectively.

## The numbers

| Metric | ChordsVault | 音壳 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/chordsvault/id1024176980/reviews) | [5.0 (19 ratings)](https://appshunter.io/ios/app/app/id1209335292/reviews) |
| Number of ratings | 1 | **19** |
| Positive reviews | — | 96.4% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 6 weeks | **Fortnightly** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 18 MB | 179 MB |
| Requires iOS | **6.0** | 12.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Valentin Chernyak](https://appshunter.io/developer/1024176979) | [鑫 孟](https://appshunter.io/developer/1264513934) |

## What reviewers say

### ChordsVault

[App page](https://appshunter.io/ios/app/chordsvault/id1024176980)

Create, design, and share guitar and instrument chords and songs. This app offers flexibility for transcribers and performers, allowing on-the-fly chord design, reuse, sharing, and transposition to different keys, tunings, and instruments.

**Highlights:** Create and design chords, Share songs and chords, Reuse chords between songs, Transpose songs to different keys, Support for various instruments and tunings

**Features:** macOS Compatibility

**In-app purchases:** none


### 音壳

[App page](https://appshunter.io/ios/app/app/id1209335292)

Master music theory, sight-singing, and ear training with comprehensive exercises. This app helps beginners and advanced learners improve their music reading, pitch accuracy, and understanding of intervals, chords, and rhythms. It offers customizable practice and a supportive community for musical growth.

**Highlights:** Music theory lessons and exercises, Sight-singing pitch evaluation, Interval, chord, and scale ear training, Rhythm and melody practice, Customizable practice modes, Pure, realistic instrument sounds, Q&A and community forum

**Features:** Vision Pro support

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 1金币 | $0.99 | one-time |
| 8乐点 | $0.99 | one-time |
| 1个月 | $0.99 | one-time |
| 18乐点 | $2.99 | one-time |
| 1个月 | $3.99 | one-time |
| 40乐点 | $5.99 | one-time |
| 1个月 | $14.99 | one-time |
| 108乐点 | $15.99 | one-time |
| 3个月音壳VIP会员 | $21.99 | one-time |
| 12个月 | $54.99 | one-time |
| 12个月艺考VIP会员 | $449.99 | one-time |


## Frequently asked questions

### Is ChordsVault free?

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

### Is 音壳 free?

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

### Which has better reviews, ChordsVault or 音壳?

ChordsVault and 音壳 are both rated 5.0 out of 5 on the App Store, from 1 and 19 ratings respectively.

### Do ChordsVault or 音壳 have ads?

Neither ChordsVault nor 音壳 shows ads.

### Which is updated more often, ChordsVault or 音壳?

ChordsVault ships an update every 6 weeks, and 音壳 fortnightly. Most recently, ChordsVault was updated on June 25, 2026 and 音壳 on September 23, 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.*