# WORM.dance vs play_music_theory

The clearest difference is price: WORM.dance at Free against play_music_theory's $1.99. WORM.dance also leads on rating (4.9 vs 4.3) and review sentiment (100% vs 74%). play_music_theory's advantage is chart position (#2 vs unranked) and ratings volume (69 vs 14). On update cadence, ads and in-app purchases there is nothing between them.

WORM.dance is free to download; play_music_theory costs $1.99 up front. WORM.dance sells 3 in-app purchases, starting at $4.99 per month and play_music_theory sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

WORM.dance holds the better App Store score, 4.9 against 4.3. Both are backed by a comparable volume of ratings — 14 and 69 respectively. Written reviews point the same way: 100% of WORM.dance's written reviews are positive against 74% of play_music_theory's.

WORM.dance ships an update fortnightly, play_music_theory weekly. The most recent releases landed on October 24, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | WORM.dance | play_music_theory |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Rating | **[4.9 (14 ratings)](https://appshunter.io/ios/app/wormdance/id6476573063/reviews)** | [4.3 (69 ratings)](https://appshunter.io/ios/app/play-music-theory/id6800616114/reviews) |
| Number of ratings | 14 | **69** |
| Positive reviews | **100.0% of reviews** | 73.9% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | **Free with in-app purchases** | Paid |
| Best chart rank | — | **#2** |
| Size | 83 MB | 9 MB |
| Requires iOS | **14.0** | 17.0 |
| Devices | **iPhone, iPod, Apple Watch** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Twin Pixels LLC](https://appshunter.io/developer/1727187235) | [TALA RAE SCHLOSSBERG](https://appshunter.io/developer/6800616116) |

## What reviewers say

### WORM.dance

[App page](https://appshunter.io/ios/app/wormdance/id6476573063)

This app transforms your body movements into music using your phone as a motion tracker. Choose from a library of sounds and connect an Apple Watch for enhanced tracking. It's designed for self-expression, therapy, and inclusive musical play.

**Highlights:** Motion tracking with phone, Library of 40+ sounds, Apple Watch integration, Therapeutic benefits, Inclusive musical play, Self-expression tool

**Features:** macOS Compatibility, Apple Watch app, Vision Pro support

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 3 Day Free Trial | $4.99 | per month |
| Monthly Subscription | $4.99 | per month |
| Yearly Subscription | $35.99 | per year |


### play_music_theory

[App page](https://appshunter.io/ios/app/play-music-theory/id6800616114)

**Currently charting:** #2 Top Paid · Music, #10 Top Paid, #164 Top Grossing · Music (US App Store)

Explore the connection between sound and shape with this visual instrument. Create music by drawing, and share your sonic creations. Designed by artist Tala Rae Schlossberg.

**Highlights:** Visual instrument, Draw to create sound, Explore sound-shape relationships, Share creations, Artist-designed

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| the instrument | $4.99 | one-time |


## Frequently asked questions

### Is WORM.dance free?

WORM.dance is free to download, with in-app purchases available.

### Is play_music_theory free?

play_music_theory costs $1.99, and also offers in-app purchases.

### Which has better reviews, WORM.dance or play_music_theory?

WORM.dance is rated higher. WORM.dance averages 4.9 out of 5 from 14 ratings, while play_music_theory averages 4.3 from 69 ratings.

### Do WORM.dance or play_music_theory have ads?

Neither WORM.dance nor play_music_theory shows ads.

### Which is updated more often, WORM.dance or play_music_theory?

WORM.dance ships an update fortnightly, and play_music_theory weekly. Most recently, WORM.dance was updated on October 24, 2026 and play_music_theory on October 31, 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.*