# Harmonizer vs ChordsVault

The clearest difference is rating: ChordsVault at 5.0 against Harmonizer's 4.1. ChordsVault also leads on update cadence (every 6 weeks vs every 33 months) and device support (3 vs 1). Harmonizer's advantage is ratings volume (16 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ChordsVault holds the better App Store score, 5.0 against 4.1. That said, the two scores are not equally well evidenced: Harmonizer has 16 ratings behind it against 1, so its average is the more settled of the two.

Harmonizer ships an update every 33 months, ChordsVault every 6 weeks. The most recent releases landed on October 14, 2026 and October 2, 2026 respectively.

## The numbers

| Metric | Harmonizer | ChordsVault |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.1 (16 ratings)](https://appshunter.io/ios/app/harmonizer/id393762975/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/chordsvault/id1024176980/reviews)** |
| Number of ratings | **16** | 1 |
| Positive reviews | 45.5% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 33 months | **Every 6 weeks** |
| Monetization | Free | Free |
| Size | 3 MB | 18 MB |
| Requires iOS | 17.0 | **6.0** |
| Devices | iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Matthew McLaughlin](https://appshunter.io/developer/1671041622) | [Valentin Chernyak](https://appshunter.io/developer/1024176979) |

## What reviewers say

### Harmonizer

[App page](https://appshunter.io/ios/app/harmonizer/id393762975)

This app helps infants develop perfect pitch by playing Shepard tones, aiding in pitch identity development. It also facilitates the study of chord relationships and displays the pitch of your singing.

**Highlights:** Shepard tone playback, Pitch identity development, Chord relationship study, Vocal pitch display, Infant music education

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

**In-app purchases:** none


### 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


## Frequently asked questions

### Is Harmonizer free?

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

### Is ChordsVault free?

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

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

ChordsVault is rated higher. Harmonizer averages 4.1 out of 5 from 16 ratings, while ChordsVault averages 5.0 from 1 ratings.

### Do Harmonizer or ChordsVault have ads?

Neither Harmonizer nor ChordsVault shows ads.

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

Harmonizer ships an update every 33 months, and ChordsVault every 6 weeks. Most recently, Harmonizer was updated on October 14, 2026 and ChordsVault on October 2, 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.*