Comparison

Ear Training L3 vs Harmonize Trainer

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Ear Training L3

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
Read full description

The Moons is a drone-based ear training app for exploring and internalizing chords and chord progressions. It presents the seven diatonic chords as an interactive moons diagram where you can tap individual chords in a key and hear them against a sustained vocal drone. To see how your ear training is coming along, the app includes a fun and challenging test mode. Features: 12 tonal centers (all keys) 7 modes: Major, Mixolydian, Lydian, Natural Minor, Harmonic Minor, Dorian, Phrygian 7 diatonic chords with roles displayed visually Fun and challenging test mode MIDI Visualizer - see what you play displayed Male and female choirs Real Acoustic Cello Adjustable drone/chord mix balance Function and note name label modes Works offline — no internet required How it works: Chords Mode: Start the drone, then tap spheres of the moons to hear chords. Use the arrow selector to shift to the closest inversion either up or down. In male choir mode, the radio buttons above sound melody tones. In female choir mode, the same buttons trigger a bass tone below. Chords Test Mode: Start drone, choose levels, then begin. Listen to the chord played, click the corresponding moon to select, then press the checkmark to commit. Once you’ve committed, or when the timer runs out, you’ll receive feedback as to the accuracy of your selection. 3 levels in Chord Test Mode: 1) Root position chords 2) 1st Inversions 3) 2nd inversions (test individually or in combination) Level 3 of Ear Training in The Mandala L1 — The Fan & The Curtain (simple intervals) L2 — The Tower (intervals, chords, and connections) L3 — The Moons (chords and chord progressions)

About

Harmonize Trainer

Features
Currently charting
Read full description

Learn to practice harmonizing with real-time feedback. Use the practice mode to hear notes and practice singing major 3rd and 5th harmonies. Short, easy-to-understand lessons introducing you to harmonies - simple enough for any age. No theory, all practical. Find your vocal range so your lessons align to you specifically.

Screenshots

Ear Training L34 screens
Harmonize Trainer3 screens

Verdict

The call

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 (#139 vs unranked). On ads, in-app purchases, device support and iOS requirement there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

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.

UpkeepUpdate frequency

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.

Scorecard3 real differences · 8 level
Ear Training L3 versus Harmonize Trainer: the parameters behind the verdict, then further details
ParameterEar Training L3Harmonize Trainer
Price$7.99$1.99 — better
Rating5.0 (3 ratings) — better—
Positive reviews100.0% of reviews—
Number of ratings3 — better—
Update frequencyEvery 5 days — betterEvery 3 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaid—
Best chart rank—#139 — better
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.015.0
Further details — not scored
Size32 MB31 MB
Age rating4+4+
DeveloperPaul RussellStephen Michael Cesler

In-app purchases

None

Ear Training L3

No in-app purchases

None

Harmonize Trainer

No in-app purchases

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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