# Quinterval vs Chordio+

The clearest difference is review sentiment: Quinterval at 78% against Chordio+'s 33%. Quinterval also leads on rating (4.3 vs 2.3) and ratings volume (20 vs 6). Chordio+'s advantage is update cadence (monthly vs every 8 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Quinterval sells 1 one-off in-app purchase and Chordio+ sells 11 one-off in-app purchases. Whichever you choose, the download price is not the number that matters.

Quinterval holds the better App Store score, 4.3 against 2.3. Both are backed by a comparable volume of ratings — 20 and 6 respectively. Written reviews point the same way: 78% of Quinterval's written reviews are positive against 33% of Chordio+'s.

Quinterval ships an update every 8 months, Chordio+ monthly. The most recent releases landed on September 18, 2026 and June 11, 2026 respectively.

## The numbers

| Metric | Quinterval | Chordio+ |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.3 (20 ratings)](https://appshunter.io/ios/app/quinterval/id373810100/reviews)** | [2.3 (6 ratings)](https://appshunter.io/ios/app/chordio-plus-create-and-learn-music/id1662210145/reviews) |
| Number of ratings | **20** | 6 |
| Positive reviews | **78.2% of reviews** | 33.3% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Monthly** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 43 MB | 98 MB |
| Requires iOS | 15.6 | **15.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Oliver Hahn](https://appshunter.io/developer/324458008) | [Anthony Briscoe](https://appshunter.io/developer/479881389) |

## What reviewers say

### Quinterval

[App page](https://appshunter.io/ios/app/quinterval/id373810100)

Explore the circle of fifths with interactive scale displays. Select keys via touch or slider to view major and parallel minor scales. Customize note notation and clef for a personalized musical experience.

**Highlights:** Interactive circle of fifths, Major and parallel minor scale display, Adjustable display range, Customizable note notation (German, English, Italian), Clef selection (G, C, F), Key signature display

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Enhanced Version | $0.99 | one-time |


### 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

**In-app purchases (11)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Free Chord Pack | Free | one-time |
| Arabesque No.1 | $0.99 | 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 |


## Frequently asked questions

### Is Quinterval free?

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

### Is Chordio+ free?

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

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

Quinterval is rated higher. Quinterval averages 4.3 out of 5 from 20 ratings, while Chordio+ averages 2.3 from 6 ratings.

### Do Quinterval or Chordio+ have ads?

Neither Quinterval nor Chordio+ shows ads.

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

Quinterval ships an update every 8 months, and Chordio+ monthly. Most recently, Quinterval was updated on September 18, 2026 and Chordio+ on June 11, 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.*