# CalmusNotation vs MusicMessages!

CalmusNotation and MusicMessages! both sit at 4.4 stars, but that hides the real split: 67% of MusicMessages!'s written reviews are positive against 0% of CalmusNotation's. MusicMessages! also leads on iOS requirement (10.0 vs 15.6). CalmusNotation's advantage is in-app purchases (none vs 1). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. MusicMessages! sells 1 one-off in-app purchase. CalmusNotation asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.4 for CalmusNotation against 4.3 for MusicMessages!. Both are backed by a comparable volume of ratings — 5 and 6 respectively. Written reviews are what separate them: 0% of CalmusNotation's written reviews are positive against 67% of MusicMessages!'s.

## The numbers

| Metric | CalmusNotation | MusicMessages! |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/calmusnotation/id993026661/reviews)** | [4.3 (6 ratings)](https://appshunter.io/ios/app/musicmessages/id1157850075/reviews) |
| Number of ratings | 5 | **6** |
| Positive reviews | 0.0% of reviews | **66.7% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | — |
| Monetization | **Free** | Free with in-app purchases |
| Size | 294 MB | 103 MB |
| Requires iOS | 15.6 | **10.0** |
| Devices | **iPhone, iPad, iPod, Mac** | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Erki-tonlist sf](https://appshunter.io/developer/929321904) | [Alexei Baboulevitch](https://appshunter.io/developer/506290606) |

## 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


### MusicMessages!

[App page](https://appshunter.io/ios/app/musicmessages/id1157850075)

Collaborate with friends on melodies using a playful, bite-sized sequencer. Explore dozens of instruments and multiple layers within a vibrant interface.

**Highlights:** Collaborative music creation, Bite-sized sequencer, Dozens of instruments, Multiple layers, Bubble-poppy interface

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Everything | $0.99 | one-time |


## Frequently asked questions

### Is CalmusNotation free?

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

### Is MusicMessages! free?

MusicMessages! is free to download, with in-app purchases available.

### Which has better reviews, CalmusNotation or MusicMessages!?

CalmusNotation is rated higher. CalmusNotation averages 4.4 out of 5 from 5 ratings, while MusicMessages! averages 4.3 from 6 ratings.

### Do CalmusNotation or MusicMessages! have ads?

Neither CalmusNotation nor MusicMessages! shows ads.

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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.*