# Harmonics Practice vs Thelonious

Harmonics Practice and Thelonious are too close to call on the numbers: across 5 compared parameters — price, ads, in-app purchases and device support among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

## The numbers

| Metric | Harmonics Practice | Thelonious |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/thelonious/id6760714389/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Monetization | — | Free |
| Size | 31 MB | 34 MB |
| Requires iOS | **14.0** | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Tarmo Johannes](https://appshunter.io/developer/1131081454) | [Robert Natale](https://appshunter.io/developer/1885874591) |

## What reviewers say

### Harmonics Practice

[App page](https://appshunter.io/ios/app/harmonics-practice/id6748588377)

**Features:** macOS Compatibility

**In-app purchases:** none


### Thelonious

[App page](https://appshunter.io/ios/app/thelonious/id6760714389)

This app simplifies music theory with visual aids for keys, chords, and scales. It helps users understand harmony and apply concepts to real playing, including guitar-specific features.

**Highlights:** Visual layouts for keys, chords, and scales, Diatonic chord and key relationship study, Chord progressions and harmonic movement, Guitar mode charts, CAGED system material, Relative minor and dominant chord learning

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Harmonics Practice free?

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

### Is Thelonious free?

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

### Do Harmonics Practice or Thelonious have ads?

Neither Harmonics Practice nor Thelonious shows ads.

---

*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*