# Quinterval vs Horucco

The clearest difference is update cadence: Horucco at every 4 weeks against Quinterval's every 8 months. Quinterval's advantage is rating (4.4 vs 4.1) and iOS requirement (15.6 vs 17.0). On price, review sentiment, ratings volume and ads there is nothing between them.

Both are free to download. Quinterval sells 1 one-off in-app purchase and Horucco sells 3 in-app purchases, starting at $8.99 per month. Whichever you choose, the download price is not the number that matters.

Quinterval holds the better App Store score, 4.4 against 4.1. Both are backed by a comparable volume of ratings — 21 and 20 respectively. Written reviews point the same way: 78% of Quinterval's written reviews are positive against 74% of Horucco's.

Quinterval ships an update every 8 months, Horucco every 4 weeks. The most recent releases landed on October 27, 2026 and October 23, 2026 respectively.

## The numbers

| Metric | Quinterval | Horucco |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (21 ratings)](https://appshunter.io/ios/app/quinterval/id373810100/reviews)** | [4.1 (20 ratings)](https://appshunter.io/ios/app/horucco-chord-progressions/id1538776364/reviews) |
| Number of ratings | **21** | 20 |
| Positive reviews | **78.2% of reviews** | 73.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 8 months | **Every 4 weeks** |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Size | 43 MB | 243 MB |
| Requires iOS | **15.6** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Oliver Hahn](https://appshunter.io/developer/324458008) | [Daniele Sidoli](https://appshunter.io/developer/1493013965) |

## 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 |


### Horucco

[App page](https://appshunter.io/ios/app/horucco-chord-progressions/id1538776364)

This app listens to music and identifies chord progressions, then provides tools to understand, edit, and demo them. It offers AI-powered explanations, next-chord suggestions, and customization options for songwriters and musicians.

**Highlights:** Instant chord detection from songs, Guitar and piano chord visualizations, AI harmony analysis and explanations, Next chord suggestions, Drag-and-drop progression editor, Full chord customization, Transpose to any key or scale, Export to MIDI and WAV

**Features:** Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Horucco Subscription Monthly | $8.99 | per month |
| Horucco Sub Annual Free Trial | $29.99 | per year |
| Horucco Subscription Annual | $39.99 | per year |


## Frequently asked questions

### Is Quinterval free?

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

### Is Horucco free?

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

### Which has better reviews, Quinterval or Horucco?

Quinterval is rated higher. Quinterval averages 4.4 out of 5 from 21 ratings, while Horucco averages 4.1 from 20 ratings.

### Do Quinterval or Horucco have ads?

Neither Quinterval nor Horucco shows ads.

### Which is updated more often, Quinterval or Horucco?

Quinterval ships an update every 8 months, and Horucco every 4 weeks. Most recently, Quinterval was updated on October 27, 2026 and Horucco on October 23, 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.*