# YouCompose vs Prism MIDI Sequencer

The clearest difference is in-app purchases: YouCompose at none against Prism MIDI Sequencer's 5. YouCompose also leads on price ($12.99 vs $19.99) and device support (4 vs 2). Prism MIDI Sequencer's advantage is rating (4.8 vs 4.4) and update cadence (every 2 weeks vs every 4 months). On ratings volume and ads there is nothing between them.

YouCompose costs $12.99 and Prism MIDI Sequencer $19.99 up front. Prism MIDI Sequencer sells 5 one-off in-app purchases. YouCompose asks for nothing beyond the download.

Prism MIDI Sequencer holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 35 and 33 respectively. Written reviews point the same way: 70% of YouCompose's written reviews are positive against 86% of Prism MIDI Sequencer's.

YouCompose ships an update every 4 months, Prism MIDI Sequencer every 2 weeks. The most recent releases landed on October 9, 2026 and October 14, 2026 respectively.

## The numbers

| Metric | YouCompose | Prism MIDI Sequencer |
| --- | --- | --- |
| Price | **$12.99** | $19.99 |
| Rating | [4.4 (35 ratings)](https://appshunter.io/ios/app/youcompose/id690183662/reviews) | **[4.8 (33 ratings)](https://appshunter.io/ios/app/prism-midi-sequencer/id6502302630/reviews)** |
| Number of ratings | **35** | 33 |
| Positive reviews | 70.0% of reviews | **85.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 2 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 399 MB | 55 MB |
| Requires iOS | **14.0** | 16.0 |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Elstar](https://appshunter.io/developer/433771912) | [Tyler Quatraro](https://appshunter.io/developer/1724470298) |

## 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


### Prism MIDI Sequencer

[App page](https://appshunter.io/ios/app/prism-midi-sequencer/id6502302630)

This app is a powerful 16-track MIDI step sequencer designed for iOS devices. It allows users to create complex musical patterns with high resolution, elastic timing, and per-step control. It integrates with external synths and samplers, offering extensive features for melody, harmony, and drum sequencing.

**Highlights:** 16-track AUv3 MIDI step sequencer, High resolution and elastic timing, Per-step control and step FX, Scale modes and flow modes for tonal tracks, 16 mini-sequencers per drum track, LFOs, arpeggiator, and generative tools, Scene and mute profile performance modes

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| LFO Extension | $4.99 | one-time |
| Step FX | $4.99 | one-time |
| Multi-Sequencer  Tone Tracks | $4.99 | one-time |
| Launchkey Mini MK4 Control | $4.99 | one-time |
| Euclidean Sequencer Extension | $4.99 | one-time |


## Frequently asked questions

### Is YouCompose free?

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

### Is Prism MIDI Sequencer free?

Prism MIDI Sequencer costs $19.99, and also offers in-app purchases.

### Which has better reviews, YouCompose or Prism MIDI Sequencer?

Prism MIDI Sequencer is rated higher. YouCompose averages 4.4 out of 5 from 35 ratings, while Prism MIDI Sequencer averages 4.8 from 33 ratings.

### Do YouCompose or Prism MIDI Sequencer have ads?

Neither YouCompose nor Prism MIDI Sequencer shows ads.

### Which is updated more often, YouCompose or Prism MIDI Sequencer?

YouCompose ships an update every 4 months, and Prism MIDI Sequencer every 2 weeks. Most recently, YouCompose was updated on October 9, 2026 and Prism MIDI Sequencer on October 14, 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.*