# Solo Harmony vs ChangeChord

The clearest difference is price: ChangeChord at Free against Solo Harmony's $0.99. ChangeChord also leads on update cadence (every 5 weeks vs every 7 months). Solo Harmony's advantage is iOS requirement (13.0 vs 17.2). On ads, in-app purchases and device support there is nothing between them.

ChangeChord is free to download; Solo Harmony costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Solo Harmony ships an update every 7 months, ChangeChord every 5 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | Solo Harmony | ChangeChord |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.0 (3 ratings)](https://appshunter.io/ios/app/solo-harmony/id6446134271/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 20.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 5 weeks** |
| Monetization | Paid | — |
| Size | 1 MB | 18 MB |
| Requires iOS | **13.0** | 17.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Masanori Katsuta](https://appshunter.io/developer/320172788) | [Nakamura Nobuyuki](https://appshunter.io/developer/1682193682) |

## What reviewers say

### Solo Harmony

[App page](https://appshunter.io/ios/app/solo-harmony/id6446134271)

This app synthesizes harmony parts with your solo singing in real-time. Mix up to five harmony parts using an ad-lib keyboard and adjust pitch for chorus effects. Record and playback synthesized sounds, or use it for karaoke practice.

**Highlights:** Ad-lib Harmony Mix engine, Real-time multi-part mixing, Subtle pitch shift for chorus effect, Recording and playback, Input from microphone, files, and other apps, Karaoke practice mode

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

**In-app purchases:** none


### ChangeChord

[App page](https://appshunter.io/ios/app/changechord/id6670719250)

**In-app purchases:** none


## Frequently asked questions

### Is Solo Harmony free?

Solo Harmony costs $0.99, with no in-app purchases.

### Is ChangeChord free?

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

### Do Solo Harmony or ChangeChord have ads?

Neither Solo Harmony nor ChangeChord shows ads.

### Which is updated more often, Solo Harmony or ChangeChord?

Solo Harmony ships an update every 7 months, and ChangeChord every 5 weeks. Most recently, Solo Harmony was updated on October 25, 2026 and ChangeChord on October 24, 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.*