# CalmusNotation vs Cantoria

The clearest difference is review sentiment: Cantoria at 94% against CalmusNotation's 0%. Cantoria also leads on update cadence (every 4 days vs every 4 months) and rating (4.8 vs 4.4). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Cantoria holds the better App Store score, 4.8 against 4.4. Both are backed by a comparable volume of ratings — 5 and 23 respectively. Written reviews point the same way: 0% of CalmusNotation's written reviews are positive against 94% of Cantoria's.

CalmusNotation ships an update every 4 months, Cantoria every 4 days. The most recent releases landed on October 8, 2026 and October 10, 2026 respectively.

## The numbers

| Metric | CalmusNotation | Cantoria |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.4 (5 ratings)](https://appshunter.io/ios/app/calmusnotation/id993026661/reviews) | **[4.8 (23 ratings)](https://appshunter.io/ios/app/cantoria/id6468679668/reviews)** |
| Number of ratings | 5 | **23** |
| Positive reviews | 0.0% of reviews | **93.8% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 4 days** |
| Monetization | Free | Free |
| Size | 294 MB | 23 MB |
| Requires iOS | 15.6 | **11** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erki-tonlist sf](https://appshunter.io/developer/929321904) | [Genuine Soundware](https://appshunter.io/developer/1560880481) |

## What reviewers say

### CalmusNotation

[App page](https://appshunter.io/ios/app/calmusnotation/id993026661)

Create and visualize musical compositions using AI-powered graphical notation. This app leverages advanced AI, inspired by NASA's Lisp programming, to generate original music based on user input and can display music from other compatible apps for live performance.

**Highlights:** AI-powered music composition, Graphical notation display, Real-time performance visualization, Lisp-based AI engine, User input-driven music creation, Integration with CalmusComposer and CalmusPlay

**In-app purchases:** none


### Cantoria

[App page](https://appshunter.io/ios/app/cantoria/id6468679668)

This app is a virtual pipe organ that uses physical modeling and additive synthesis to emulate a Baroque-style instrument. It offers a dynamic sound range, expression pedal control, and built-in effects, functioning as both a standalone application and an audio plugin.

**Highlights:** Physical modeling engine (no samples), Full polyphony (61 notes, 776 pipes), 9 organ stops, 3 couplers, Tremulant motor, Swell pedal, Built-in stereo reverb

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

**In-app purchases:** none


## Frequently asked questions

### Is CalmusNotation free?

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

### Is Cantoria free?

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

### Which has better reviews, CalmusNotation or Cantoria?

Cantoria is rated higher. CalmusNotation averages 4.4 out of 5 from 5 ratings, while Cantoria averages 4.8 from 23 ratings.

### Do CalmusNotation or Cantoria have ads?

Neither CalmusNotation nor Cantoria shows ads.

### Which is updated more often, CalmusNotation or Cantoria?

CalmusNotation ships an update every 4 months, and Cantoria every 4 days. Most recently, CalmusNotation was updated on October 8, 2026 and Cantoria on October 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.*