WORM.dance vs play_music_theory
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WORM.dance
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.
- Motion tracking with phone
- Library of 40+ sounds
- Apple Watch integration
- Therapeutic benefits
- Inclusive musical play
- Self-expression tool
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HOW TO USE WORM.dance: 1) WORM.dance uses your phone as a motion tracker, so when you move a sound will trigger. 2) You can pick from our library of sounds. 3) You can hold or wear your phone on your body to track your movements. 4) Optionally, you can connect your Apple Watch as an additional sensor. We’ve collaborated with dancers, music therapists, and neurodivergent individuals to create an app that opens new possibilities for self-expression, somatic therapy, self-soothing, and more. Reconnect with your body using WORM today! WHAT YOU’LL LOVE ABOUT WORM: * Innovative: Experience cutting-edge technology that easily translates movement into music. * Inclusive: Whether you want to dance, stim, exercise, or play, everyone can enjoy making music with WORM. * Therapeutic: Studies show that dance is one of the best ways to combat depression. Multisensory stimulation (movement and music) can positively impact brain development in children and aid dementia treatment in adults. * Sound Selection: Choose from our growing library of 40+ sounds to find what best suits your body. * Apple Watch Compatibility: Enhance your experience with seamless Apple Watch integration. Read more about our Terms of Use and Privacy Policy here: https://worm.dance/tou
play_music_theory
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.
- Visual instrument
- Draw to create sound
- Explore sound-shape relationships
- Share creations
- Artist-designed
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Listen to your drawings! play_music_theory is a visual instrument designed to help us explore the relationship between sound and shape. Created by artist Tala Rae Schlossberg. Share what you make @play_music_theory
Screenshots
Verdict
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.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
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.
| Parameter | WORM.dance | play_music_theory |
|---|---|---|
| Price | Free — better | $1.99 |
| Rating | 4.9 (14 ratings) — better | 4.3 (69 ratings) |
| Positive reviews | 100.0% of reviews — better | 73.9% of reviews |
| Number of ratings | 14 | 69 — better |
| Update frequency | Fortnightly | Weekly — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases — better | Paid |
| Best chart rank | — | #2 — better |
| Devices | iPhone, iPod, Apple Watch — better | iPhone |
| Requires iOS | 14.0 — better | 17.0 |
| Further details — not scored | ||
| Size | 83 MB | 9 MB |
| Age rating | 4+ | 4+ |
| Developer | Twin Pixels LLC | TALA RAE SCHLOSSBERG |
Customer experience
WORM.dance
play_music_theory
In-app purchases
WORM.dance
- 3 Day Free Trial3 Days trial$4.991 Month
- Monthly Subscription$4.991 Month
- Yearly Subscription$35.991 Year
play_music_theory
- the instrument$4.99
Questions
Is WORM.dance free?
Is play_music_theory free?
Which has better reviews, WORM.dance or play_music_theory?
Do WORM.dance or play_music_theory have ads?
Which is updated more often, WORM.dance or play_music_theory?
Other comparisons
