# YouCompose vs Harmonicer

The clearest difference is update cadence: Harmonicer at every 4 days against YouCompose's every 4 months. Harmonicer also leads on price ($7.99 vs $12.99) and rating (4.7 vs 4.4). On ratings volume, ads, in-app purchases and device support there is nothing between them.

YouCompose costs $12.99 and Harmonicer $7.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Harmonicer holds the better App Store score, 4.7 against 4.4. Both are backed by a comparable volume of ratings — 35 and 12 respectively. Written reviews point the same way: 70% of YouCompose's written reviews are positive against 80% of Harmonicer's.

YouCompose ships an update every 4 months, Harmonicer every 4 days. The most recent releases landed on October 9, 2026 and October 4, 2026 respectively.

## The numbers

| Metric | YouCompose | Harmonicer |
| --- | --- | --- |
| Price | $12.99 | **$7.99** |
| Rating | [4.4 (35 ratings)](https://appshunter.io/ios/app/youcompose/id690183662/reviews) | **[4.7 (12 ratings)](https://appshunter.io/ios/app/harmonicer/id6468485333/reviews)** |
| Number of ratings | **35** | 12 |
| Positive reviews | 70.0% of reviews | **80.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | **Free** | Paid |
| Size | 399 MB | 23 MB |
| Requires iOS | 14.0 | **11.0** |
| Devices | iPhone, iPad, iPod, Mac | iPhone, iPad, iPod, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Elstar](https://appshunter.io/developer/433771912) | [Kai Aras](https://appshunter.io/developer/370820899) |

## What reviewers say

### YouCompose

[App page](https://appshunter.io/ios/app/youcompose/id690183662)

Create original music effortlessly with an AI assistant. This app generates unique compositions using music theory and genetic algorithms, ensuring no copyright issues. It offers a wide range of built-in instruments and flexible editing tools.

**Highlights:** AI-powered music composition, Original, copyright-free music generation, 80+ built-in instrument sounds, Over 85 predefined ensembles, Multiple creation methods (keyboard, MIDI, grid, score), Classical and jazz harmonization, Advanced editing capabilities

**In-app purchases:** none


### Harmonicer

[App page](https://appshunter.io/ios/app/harmonicer/id6468485333)

This app generates musical inspiration by combining MIDI quantization, harmonization, and arpeggiation. It offers extensive scale support and allows for the creation of complex chords and rhythmic patterns to enhance musical compositions.

**Highlights:** MIDI Quantizer with 20+ scales, Custom scale support, Harmonizer with up to 4 voices, Arpeggiator with 10 modes, Process MIDI from any source, Standalone use with internal keyboard

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is YouCompose free?

YouCompose costs $12.99, with no in-app purchases.

### Is Harmonicer free?

Harmonicer costs $7.99, with no in-app purchases.

### Which has better reviews, YouCompose or Harmonicer?

Harmonicer is rated higher. YouCompose averages 4.4 out of 5 from 35 ratings, while Harmonicer averages 4.7 from 12 ratings.

### Do YouCompose or Harmonicer have ads?

Neither YouCompose nor Harmonicer shows ads.

### Which is updated more often, YouCompose or Harmonicer?

YouCompose ships an update every 4 months, and Harmonicer every 4 days. Most recently, YouCompose was updated on October 9, 2026 and Harmonicer on October 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.*