# Chordio+ vs Audonia

The clearest difference is review sentiment: Audonia at 100% against Chordio+'s 33%. Audonia also leads on rating (5.0 vs 2.3) and in-app purchases (none vs 10). Chordio+'s advantage is iOS requirement (15.0 vs 17.0). On price, ratings volume, ads and device support there is nothing between them.

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

Audonia holds the better App Store score, 5.0 against 2.3. Both are backed by a comparable volume of ratings — 6 and 3 respectively. Written reviews point the same way: 33% of Chordio+'s written reviews are positive against 100% of Audonia's.

Chordio+ ships an update every 5 weeks, Audonia every 9 days. The most recent releases landed on November 3, 2026 and November 5, 2026 respectively.

## The numbers

| Metric | Chordio+ | Audonia |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (6 ratings)](https://appshunter.io/ios/app/chordio-plus-create-and-learn-music/id1662210145/reviews) | **[5.0 (3 ratings)](https://appshunter.io/ios/app/audonia/id6774805049/reviews)** |
| Number of ratings | **6** | 3 |
| Positive reviews | 33.3% of reviews | **100.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 9 days** |
| Monetization | Free with in-app purchases | **Free** |
| Size | 154 MB | 5 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [One In A Billion Ltd](https://appshunter.io/developer/479881389) | [Nenufar Lane LLC](https://appshunter.io/developer/6774805051) |

## What reviewers say

### Chordio+

[App page](https://appshunter.io/ios/app/chordio-plus-create-and-learn-music/id1662210145)

This music creation and learning tool offers an interactive way to explore chords and scales. It helps users compose songs, store progressions, and connect MIDI controllers for real-time feedback. Ideal for musicians, composers, and educators seeking to enhance their music theory knowledge and creative output.

**Highlights:** Build chord progressions with a sequencer, Chord and scale exploration modes, MIDI controller integration, Custom chord creation and editing, Export MIDI to DAWs, Learn songs with adjustable speed and pitch

**Features:** Vision Pro support

**In-app purchases (10)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Chord Pack | Free | one-time |
| RnB Chords No.1 | $1.99 | one-time |
| Neo-Soul Tunes 1 | $4.99 | one-time |
| Neo-Soul Progressions 1 | $4.99 | one-time |
| II-V-I Progressions | $4.99 | one-time |
| Jazz Progressions 1 | $4.99 | one-time |
| RnB Progressions 1 | $4.99 | one-time |
| Chord Progressions 251 No.1 | $4.99 | one-time |
| Classical Progressions 1 | $4.99 | one-time |
| Unlock App | $6.99 | one-time |


### Audonia

[App page](https://appshunter.io/ios/app/audonia/id6774805049)

Develop your musical ear with exercises on intervals, chord qualities, and progressions. Learn to identify musical elements like a conservatory student, with instant feedback and generated content. Practice anytime, anywhere, even offline.

**Highlights:** Interval identification, Chord quality recognition, Cadence identification, Chord progression analysis, Instant feedback and comparison, Offline functionality, Real piano sound samples

**In-app purchases:** none


## Frequently asked questions

### Is Chordio+ free?

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

### Is Audonia free?

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

### Which has better reviews, Chordio+ or Audonia?

Audonia is rated higher. Chordio+ averages 2.3 out of 5 from 6 ratings, while Audonia averages 5.0 from 3 ratings.

### Do Chordio+ or Audonia have ads?

Neither Chordio+ nor Audonia shows ads.

### Which is updated more often, Chordio+ or Audonia?

Chordio+ ships an update every 5 weeks, and Audonia every 9 days. Most recently, Chordio+ was updated on November 3, 2026 and Audonia on November 5, 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.*