CymaScope: see what sound looks like
CymaScope is a paid app for Android and iPhone, made with the CymaScope team, that shows sound as CymaGlyph images from the CymaScope laboratory: play a note on its keyboard or sing into the microphone and watch its pattern appear. It is for musicians, singers, teachers, sound practitioners and anyone curious about cymatics.
- checkMade with the CymaScope team
- checkLive microphone mode
- check432Hz vs 440Hz imagery
- checkNo ads

Key facts
| Platforms | Android; iPhone and iPad with iOS 12 and newer |
|---|---|
| Price | Paid app, one-time purchase. No ads |
| Tunings | 432Hz and 440Hz |
| Method | Shows imagery based on the scientific CymaScope instrument, matched to the notes you play or sing |
| Made by | CymaScope Foundation Ltd, with app architecture by Appum Studios Ltd |
| Languages | English |
| Download size | About 1.4 GB on iPhone (bundled imagery and video) |
| Released | Android: 21 April 2025. iPhone: 22 July 2025 |
fact_check Facts checked 11 October 2026
workspace_premiumFree vs ProWhat is free in CymaScope and what Pro addsarrow_forwardWhat makes it different
Real CymaScope imagery
The images were created in the CymaScope laboratories in the UK by John Stuart Reid and James Stuart Reid of CymaScope Foundation Ltd. The app was conceived by acoustic-physics scientist John Stuart Reid and built by Appum Studios, the team behind 432 Player.
Hear a note, see its shape
Every key on the on-screen keyboard shows the CymaGlyph for that note.
Your voice, made visible
Microphone mode turns your voice or live music into moving CymaGlyphs as you sing or play.
Compare tunings by eye
Switch between 432Hz and 440Hz tuning and compare the imagery for the same note.
How it works
- Step 1
Install CymaScope
A one-time purchase on Google Play or the App Store.
- Step 2
Play or sing
Tap the keyboard, or switch on microphone mode and sing.
- Step 3
Watch and save
See the CymaGlyph, then record a sequence or snapshot it to share.
Features
CymaGlyph keyboard
Play notes and see each one's cymatic image.
Microphone mode
Live voice or instruments become dynamic CymaGlyphs.
Note matching
The app names the note you sing or play, which helps with pitch practice.
432Hz and 440Hz
Compare the imagery of both tunings.
Record and keep
Save sequences and imagery on your device.
Snapshot and share
Capture an image to save or send.
Learn more inside
Articles about sound and the voice, updated online, and a CymaScope video gallery.
Big-screen ready
Mirror to a computer or projector for classes and sessions.
Who it is for
- personSingers and musicians who want to see their notes and practise pitch.
- personTeachers, sound practitioners and presenters who show cymatics to a group.
- personAnyone curious about what 432Hz and 440Hz look like.
Built since 2013
432 Player came out on iPhone on 15 April 2013 (its App Store page is archived by the Internet Archive from February 2014) and on Android on 30 November 2014. It is discussed in peer-reviewed research: Ruth E. Rosenberg (University of Illinois Chicago), "Perfect Pitch: 432 Hz Music and the Promise of Frequency," Journal of Popular Music Studies 33(1), 2021.
info432Hz is a listening preference. Our apps are tools for enjoying music, not medical devices, and make no health claims.
Questions and answers
The CymaScope is a scientific instrument that makes sound visible. The CymaScope app brings its imagery to your phone, created in the CymaScope laboratories in the UK by John Stuart Reid and James Stuart Reid.
A CymaGlyph is the visual pattern a sound makes in the CymaScope. In the app, each note and your live voice are shown as CymaGlyphs.
Yes. Switch on microphone mode and sing or play; the app turns the sound into moving CymaGlyphs and names the note it hears.
Yes. You can switch between 432Hz and 440Hz tuning and compare the images for the same note.
No. CymaScope is a paid app with a one-time purchase on Google Play and the App Store, and it has no ads.
No. CymaScope is a visual and educational app about sound. It makes no medical claims.
CymaScope
Play a note or sing, and see it as a CymaGlyph image.
Updated 12 October 2026

