# MelodyMemo vs Cantus

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.

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.

## The numbers

| Metric | MelodyMemo | Cantus |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cantus-voicing-lab/id6772984019/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 3 days** | Every 5 days |
| Monetization | — | Free |
| Size | 8 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Alexander Seals](https://appshunter.io/developer/1757855235) | [Jason Zachariah](https://appshunter.io/developer/1896513710) |

## What reviewers say

### MelodyMemo

[App page](https://appshunter.io/ios/app/melodymemo/id6550921339)

**Features:** macOS Compatibility

**In-app purchases:** none


### Cantus

[App page](https://appshunter.io/ios/app/cantus-voicing-lab/id6772984019)

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.

**Highlights:** 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

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

**In-app purchases:** none


## Frequently asked questions

### Is MelodyMemo free?

MelodyMemo is free to download, with no in-app purchases.

### Is Cantus free?

Cantus is free to download, with no in-app purchases.

### Do MelodyMemo or Cantus have ads?

Neither MelodyMemo nor Cantus shows ads.

### Which is updated more often, MelodyMemo or Cantus?

MelodyMemo ships an update every 3 days, and Cantus every 5 days. Most recently, MelodyMemo was updated on October 27, 2026 and Cantus on October 28, 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.*