# Clave Master vs World of Notes

The clearest difference is price: World of Notes at Free against Clave Master's $0.99. World of Notes also leads on update cadence (every 7 months vs every 108 months) and iOS requirement (13.0 vs 15.0). Clave Master's advantage is rating (4.2 vs 1.0). On review sentiment, ratings volume, ads and in-app purchases there is nothing between them.

World of Notes is free to download; Clave Master costs $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Clave Master holds the better App Store score, 4.2 against 1.0. Both are backed by a comparable volume of ratings — 5 and 3 respectively. Written reviews point the same way: 40% of Clave Master's written reviews are positive against 33% of World of Notes's.

Clave Master ships an update every 108 months, World of Notes every 7 months. The most recent releases landed on October 24, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | Clave Master | World of Notes |
| --- | --- | --- |
| Price | $0.99 | **Free** |
| Rating | **[4.2 (5 ratings)](https://appshunter.io/ios/app/clave-master/id930135396/reviews)** | [1.0 (3 ratings)](https://appshunter.io/ios/app/world-of-notes/id1173974533/reviews) |
| Number of ratings | **5** | 3 |
| Positive reviews | **40.0% of reviews** | 33.3% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 108 months | **Every 7 months** |
| Monetization | Paid | **Free** |
| Size | 9 MB | 320 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [District One Mobile, LLC](https://appshunter.io/developer/812513884) | [Merriam Music Inc.](https://appshunter.io/developer/1173974532) |

## What reviewers say

### Clave Master

[App page](https://appshunter.io/ios/app/clave-master/id930135396)

Learn and practice Salsa music patterns by tapping along to rhythms. Understand how different instrument patterns interlock to improve your dancing and playing. Master individual patterns or combine them for a deeper musical understanding.

**Highlights:** Tap along to Salsa rhythms, Choose patterns by tapping staff or pads, Combine multiple instrument patterns, Adjust tempo for practice, Develop deep musical understanding, Improve dancing and playing skills

**Features:** Vision Pro support

**In-app purchases:** none


### World of Notes

[App page](https://appshunter.io/ios/app/world-of-notes/id1173974533)

Learn music theory concepts like note identification, chords, intervals, and key signatures through interactive challenges and a map-based progression. Designed to supplement formal music education, it offers a fun and engaging way to build foundational musical skills.

**Highlights:** Note identification on staff, Chord and interval positioning, Major and minor key signatures, Map-based challenge progression, Interactive learning modules

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is Clave Master free?

Clave Master costs $0.99, with no in-app purchases.

### Is World of Notes free?

World of Notes is free to download, with no in-app purchases.

### Which has better reviews, Clave Master or World of Notes?

Clave Master is rated higher. Clave Master averages 4.2 out of 5 from 5 ratings, while World of Notes averages 1.0 from 3 ratings.

### Do Clave Master or World of Notes have ads?

Neither Clave Master nor World of Notes shows ads.

### Which is updated more often, Clave Master or World of Notes?

Clave Master ships an update every 108 months, and World of Notes every 7 months. Most recently, Clave Master was updated on October 24, 2026 and World of Notes on October 26, 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.*