# Ear Training L3 vs Harmonize Trainer

The clearest difference is update cadence: Ear Training L3 at every 5 days against Harmonize Trainer's every 3 months. Harmonize Trainer's advantage is price ($1.99 vs $7.99) and chart position (#181 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Ear Training L3 costs $7.99 and Harmonize Trainer $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Ear Training L3 ships an update every 5 days, Harmonize Trainer every 3 months. The most recent releases landed on October 6, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Ear Training L3 | Harmonize Trainer |
| --- | --- | --- |
| Price | $7.99 | **$1.99** |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/ear-training-l3-the-moons/id6760356899/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 5 days** | Every 3 months |
| Monetization | Paid | — |
| Best chart rank | — | **#181** |
| Size | 32 MB | 31 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Paul Russell](https://appshunter.io/developer/1883542878) | [Stephen Michael Cesler](https://appshunter.io/developer/1688595725) |

## What reviewers say

### Ear Training L3

[App page](https://appshunter.io/ios/app/ear-training-l3-the-moons/id6760356899)

Explore and internalize chords and progressions with this interactive ear training app. Hear diatonic chords and custom progressions against a vocal drone, and test your knowledge with challenging modes. Works offline with adjustable settings.

**Highlights:** Interactive moons diagram for chords, Chord progression designer, Two test modes (Chords & Progressions), 12 tonal centers and 5 modes, Adjustable drone/chord mix balance, Works offline

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

**In-app purchases:** none


### Harmonize Trainer

[App page](https://appshunter.io/ios/app/harmonize-trainer/id6781284983)

**Currently charting:** #181 Top Paid · Music (US App Store)

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

**In-app purchases:** none


## Frequently asked questions

### Is Ear Training L3 free?

Ear Training L3 costs $7.99, with no in-app purchases.

### Is Harmonize Trainer free?

Harmonize Trainer costs $1.99, with no in-app purchases.

### Do Ear Training L3 or Harmonize Trainer have ads?

Neither Ear Training L3 nor Harmonize Trainer shows ads.

### Which is updated more often, Ear Training L3 or Harmonize Trainer?

Ear Training L3 ships an update every 5 days, and Harmonize Trainer every 3 months. Most recently, Ear Training L3 was updated on October 6, 2026 and Harmonize Trainer on October 9, 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.*