# Cornelius Composer for Schools vs Chordio

The clearest difference is in-app purchases: Cornelius Composer for Schools at none against Chordio's 10. Cornelius Composer for Schools also leads on iOS requirement (10.0 vs 17.0). Chordio's advantage is update cadence (every 10 days vs every 3 months). On price, review sentiment, ads and device support there is nothing between them.

Both are free to download. Chordio sells 10 one-off in-app purchases. Cornelius Composer for Schools asks for nothing beyond the download.

Cornelius Composer for Schools ships an update every 3 months, Chordio every 10 days. The most recent releases landed on November 3, 2026 and November 7, 2026 respectively.

## The numbers

| Metric | Cornelius Composer for Schools | Chordio |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[4.4 (8 ratings)](https://appshunter.io/ios/app/chordio-compose-and-learn-music/id1580214821/reviews)** |
| Number of ratings | — | **8** |
| Positive reviews | **66.7% of reviews** | 61.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 10 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 166 MB | 203 MB |
| Requires iOS | **10.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPad, Mac |
| Age rating | 4+ | 4+ |
| Developer | [Insignio Labs](https://appshunter.io/developer/799596690) | [One In A Billion Ltd](https://appshunter.io/developer/479881389) |

## What reviewers say

### Cornelius Composer for Schools

[App page](https://appshunter.io/ios/app/cornelius-composer-for-schools/id1464703620)

This app simplifies music composition for educators and students, allowing creation on various devices. It introduces users to music theory through interactive features and customizable notation, with export options for further use.

**Highlights:** Multiple staves support, Import MusicXML and MIDI scores, Export scores to MusicXML, MIDI, and PDF, Customizable colorful music notes, Sheet editing during playback, Colorblindness accessibility options

**Features:** Vision Pro support

**In-app purchases:** none


### Chordio

[App page](https://appshunter.io/ios/app/chordio-compose-and-learn-music/id1580214821)

This app is a music composition and theory tool that helps musicians explore chords and scales interactively. It offers features for creating, storing, and rearranging chord progressions, along with integrated music theory lessons and practice tools. It's designed to spark creativity and enhance music learning for producers, composers, and educators.

**Highlights:** Chord progression generator, Custom chord creation and editing, Real-time MIDI input visualization, Scales and modes practice, Music theory lessons and quizzes, Sheet music practice tools, Chord Suggestion AI

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Chord Pack | Free | one-time |
| Chord Progressions 251 No.1 | $2.99 | one-time |
| Jazz Progressions 01 | $5.99 | one-time |
| Neo-Soul Progressions 01 | $5.99 | one-time |
| Neo-Soul Tunes 01 | $5.99 | one-time |
| RnB Chords No.1 | $5.99 | one-time |
| Classical Progressions 1 | $5.99 | one-time |
| II-V-I Progression | $5.99 | one-time |
| RnB Progressions 01 | $5.99 | one-time |
| Unlock App | $14.99 | one-time |


## Frequently asked questions

### Is Cornelius Composer for Schools free?

Cornelius Composer for Schools is free to download, with no in-app purchases.

### Is Chordio free?

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

### Do Cornelius Composer for Schools or Chordio have ads?

Neither Cornelius Composer for Schools nor Chordio shows ads.

### Which is updated more often, Cornelius Composer for Schools or Chordio?

Cornelius Composer for Schools ships an update every 3 months, and Chordio every 10 days. Most recently, Cornelius Composer for Schools was updated on November 3, 2026 and Chordio on November 7, 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.*