# Cantus vs Gacha Chord

The clearest difference is in-app purchases: Cantus at none against Gacha Chord's 1. Cantus also leads on ads (none vs shown) and iOS requirement (15.0 vs 17.0). On price, update cadence and device support there is nothing between them.

Both are free to download. Gacha Chord sells 1 one-off in-app purchase. Cantus asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 5 days. The most recent releases landed on November 5, 2026 and November 10, 2026 respectively.

## The numbers

| Metric | Cantus | Gacha Chord |
| --- | --- | --- |
| 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** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 5 days | Every 5 days |
| Monetization | Free | — |
| Size | 3 MB | 11 MB |
| Requires iOS | **15.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Jason Zachariah](https://appshunter.io/developer/1896513710) | [YUKI KIMURA](https://appshunter.io/developer/6797231500) |

## What reviewers say

### 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


### Gacha Chord

[App page](https://appshunter.io/ios/app/gacha-chord-progression-maker/id6797231498)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Gacha Chord Pro | $6.99 | one-time |


## Frequently asked questions

### Is Cantus free?

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

### Is Gacha Chord free?

Gacha Chord is free to download, with in-app purchases available.

### Do Cantus or Gacha Chord have ads?

Gacha Chord shows ads; Cantus does not.

### Which is updated more often, Cantus or Gacha Chord?

Cantus ships an update every 5 days, and Gacha Chord every 5 days. Most recently, Cantus was updated on November 5, 2026 and Gacha Chord on November 10, 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.*