Comparison

Ear Training L2 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 L2

Explore and internalize musical intervals and triads with this interactive ear training app. It features a visual tower diagram of diatonic chords, allowing you to hear individual tones and combinations against a vocal drone. Includes a challenging test mode to assess your progress.

Highlights
  • Interactive chord tower diagram
  • Vocal drone with adjustable mix
  • 12 tonal centers and 5 modes
  • Visual voice-leading connections
  • Offline functionality
  • Challenging test mode with 5 levels
Features
Read full description

The Tower is a drone-based ear training app for exploring and internalizing intervals and triads. It presents the seven diatonic chords as an interactive tower diagram where you can tap individual chord tones and hear them singly or in combination against a sustained vocal drone. To see how your ear training is coming along, the app includes a fun and challenging test mode with 5 levels: 3rds, 6ths, 4th & 5ths, Root Position Triads, Inversions Features: 12 tonal centers (all keys) 7 modes: Major, Mixolydian, Lydian, Natural Minor, Harmonic Minor, Dorian, Phrygian 7 diatonic chords with voice-leading connections displayed visually Snapshot - capture and navigate between up to 10 states 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: Start the drone, then tap spheres in the tower to hear chord tones. Tap lines to follow voice leading paths. The tower diagram shows how intervals and chords interconnect through voice leading. Switch between chord pairs using the bottom panel. Toggle between solfege function labels and note names to build your understanding from both angles. Test Mode: Start drone, choose levels, then begin. Listen to the tones played, click the corresponding tones to select. When the timer runs out, you’ll receive feedback as to the accuracy of your selections. There are 10 questions per round. 5 levels in Tower Test Mode: 1) 3rds 2) 6ths 3) 4ths & 5ths. 4) Root Position Triads 5) Chord Inversions Level 2 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
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 L24 screens
Harmonize Trainer3 screens

Verdict

The call

The clearest difference is update cadence: Ear Training L2 at every 5 days against Harmonize Trainer's every 3 months. Harmonize Trainer's advantage is price ($1.99 vs $7.99) and iOS requirement (15.0 vs 17.0). On ads, in-app purchases and device support 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 L2 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 L2 ships an update every 5 days, Harmonize Trainer every 3 months. Both last shipped on October 31, 2026.

Scorecard3 real differences · 7 level
Ear Training L2 versus Harmonize Trainer: the parameters behind the verdict, then further details
ParameterEar Training L2Harmonize 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—
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS17.015.0 — better
Further details — not scored
Size32 MB31 MB
Age rating4+4+
DeveloperPaul RussellStephen Michael Cesler

In-app purchases

None

Ear Training L2

No in-app purchases

None

Harmonize Trainer

No in-app purchases

Questions

Is Ear Training L2 free?
Ear Training L2 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 L2 or Harmonize Trainer have ads?
Neither Ear Training L2 nor Harmonize Trainer shows ads.
Which is updated more often, Ear Training L2 or Harmonize Trainer?
Ear Training L2 ships an update every 5 days, and Harmonize Trainer every 3 months. Most recently, Ear Training L2 was updated on October 31, 2026 and Harmonize Trainer on October 31, 2026.

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