MIDITrainer vs Cantus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MIDITrainer
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Train your ear with real melodies from jazz standards and pop classics. MIDI Trainer plays a short melody, then challenges you to play it back on your MIDI keyboard. Unlike other ear training apps that use random notes, MIDI Trainer uses real musical phrases from professional transcriptions, helping you develop practical musicianship. KEY FEATURES: - Real Melodies: Practice with phrases extracted from the Weimar Jazz Database (jazz solos) and McGill Billboard Dataset (pop hits) - MIDI Integration: Connect any MIDI keyboard via USB or Bluetooth - Adaptive Practice: The app focuses on intervals and patterns you find challenging - Multiple Scales: Practice in major, minor, and modal scales - Detailed Statistics: Track your progress and identify weak spots HOW IT WORKS: 1. Connect your MIDI keyboard 2. Choose your scale and difficulty settings 3. Listen to the melody 4. Play it back - the app waits for you to match each note 5. Review your accuracy and learn from mistakes Perfect for musicians, music students, and anyone wanting to improve their ear and sight-reading skills.
Cantus
This interactive tool helps musicians explore harmony and chord voicings on a virtual piano. It allows users to visualize how notes move within chords, understand modal relationships, and develop a feel for harmony through focused practice.
- Interactive chord and voicing exploration
- Piano keyboard visualization
- Modal and scale-based harmony practice
- Voice-leading movement analysis
- Tone.js audio playback
- Account-free operation
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Cantus - Voicing Lab is an interactive harmony and chord-voicing tool by Nathaniel School of Music for pianists, composers, producers, and music theory students. Explore how notes move inside chords, hear voicings in context, and study color, tension, and modal relationships from the keyboard. Cantus is designed as a focused practice lab: pick a sound, inspect the voice leading, and build intuition for how harmony feels under your hands. FEATURES * Interactive chord and voicing explorer * Piano keyboard visualization * Modal and scale-based harmony practice * Voice-leading movement and pinboard-style comparison * Tone.js audio playback * Self-hosted fonts and bundled web assets * Works without an account BY NATHANIEL SCHOOL OF MUSIC Built for practical harmony learning, composition practice, and deeper chord fluency.
Screenshots
Verdict
The clearest difference is update cadence: Cantus at every 5 days against MIDITrainer's every 9 months. Cantus also leads on iOS requirement (15.0 vs 18.0). On price, 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
MIDITrainer ships an update every 9 months, Cantus every 5 days. The most recent releases landed on October 30, 2026 and October 28, 2026 respectively.
| Parameter | MIDITrainer | Cantus |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 9 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 18.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 10 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | RIKER TECH, LLC | Jason Zachariah |
In-app purchases
MIDITrainer
No in-app purchases
Cantus
No in-app purchases









