
Key Capture: Piano Visualizer
Stream & Record MIDI Video
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Free
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About
SEE EVERY NOTE YOU PLAY.
Key Capture films you with your iPhone or iPad camera and adds a live 88-key piano overlay that lights up each key as you press it. Connect your MIDI keyboard or digital piano, then go live or record. No computer, OBS or capture card needed.
WHO IT'S FOR
- Pianists and keyboard players sharing performances
- Piano teachers recording lessons so students can see which keys are played
- Creators making piano videos with a visible keyboard
LIVE STREAMING
Sign in with YouTube or Facebook and go live from the app. Or enter an RTMP server URL and stream key to stream to another platform or your own server.
RECORDING
Record your playing with the overlay and save the video to your Photos library, ready to edit and share.
MIDI CONNECTION
Connect a MIDI keyboard or digital piano over Bluetooth MIDI or with a USB adapter. The keys you play appear on the 88-key overlay along the bottom of the video.
VIDEO SETTINGS
Choose 720p, 1080p or 4K at 30 or 60 fps, depending on your device. On-screen stats show frame rate, connection status, recording time and viewer count. Key Capture works in landscape.
PRICING
Key Capture is free to download. Free streams and recordings run up to 5 minutes each. The Unlimited subscription, monthly or yearly, removes the time limit. Payment is charged to your Apple Account. Subscriptions renew automatically unless canceled at least 24 hours before the end of the current period. Manage or cancel in your Apple Account settings.
SUPPORT
Questions? Email support@keycapture.app
Privacy Policy: https://keycapture.app/privacy
Terms of Use: https://keycapture.app/terms
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What's New in Key Capture
3.3
November 9, 2026
New setup with live sound checks and a quick iPhone studio guide. Improved layouts for larger text, camera permission recovery, and sound meters.
2
Subscriptions & In-App Purchases
Monthly Subscription
Unlimited streaming and recording. No 5-minute limit.
$2.991 Month







