MelodyMemo vs Cantus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
MelodyMemo
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MelodyMemo provides a quick and easy way to record song ideas. It relies on only the necessary tools to record an idea as simply as possible.
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 iOS requirement: Cantus at 15.0 against MelodyMemo's 17.0. On price, update cadence, ads and in-app purchases 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.
MelodyMemo ships an update every 3 days, Cantus every 5 days. The most recent releases landed on October 27, 2026 and October 28, 2026 respectively.
| Parameter | MelodyMemo | Cantus |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 3 days — better | Every 5 days |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | — | Free |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 17.0 | 15.0 — better |
| Further details — not scored | ||
| Size | 8 MB | 3 MB |
| Age rating | 4+ | 4+ |
| Developer | Alexander Seals | Jason Zachariah |
In-app purchases
MelodyMemo
No in-app purchases
Cantus
No in-app purchases
