Keymap: Stem Splitter & Chords
Vocal Remover, Key & BPM
Free · In‑App Purchases · Designed for iPad. Not verified for macOS.
Split any song into vocals, drums, bass and more. Chords, key and BPM in seconds; loop a part, slow it down, read the lyrics — all on your iPhone. 7-day free trial.
Keymap turns any song into a practice tool — entirely on your iPhone.
HEAR EVERY PART
• Split a song into vocals, drums, bass, guitar, piano and other
• Mute the vocals for an instant backing track or karaoke
• Solo one instrument and learn exactly what it plays
KEY, BPM, CHORDS, STRUCTURE
• Key and tempo detected on the device in seconds
• Chord sheet with a capo setting and fingerings
• Color map of the song: intro, verse, chorus — tap a part to loop it (iOS 27)
LYRICS WITH CHORDS
• Lyrics recognized on the device, chords written above the words
PRACTICE SMARTER
• Slow down to 50% without changing pitch, or change the key to match your voice
• Loop any part, snapped to the beat
• Metronome with count-in, built-in tuner
• Record yourself and compare with the original
• Practice streak and a home screen widget
BUILD IT YOURSELF
• Export MIDI, a chord chart and a project outline for your DAW
YOUR LIBRARY, EVERYWHERE
• Folders and setlists, iCloud sync between your iPhones and iPads
• Siri Shortcuts: open a song or start practice by voice
PRIVATE BY DESIGN
• Analysis runs on your iPhone — no uploads, no account
• Your recordings never leave your device
KEYMAP PRO
Keymap Pro is available as a yearly subscription with a 7-day free trial, a monthly subscription, or a one-time lifetime purchase. Payment is charged to your Apple ID account at confirmation of purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period; manage or cancel them in your App Store account settings. Any unused portion of a free trial is forfeited when you purchase a subscription.
Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Privacy Policy: https://keymap-legal.tsyrenov1987.workers.dev/privacy/
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
• Works on iOS 26: key, BPM and the beat grid are now detected by Keymap's own engine (the song map — intro, verse, chorus — still needs iOS 27).
• App Store page in more languages.
The developer, NTSAUTOSIGA LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- NTSAUTOSIGA LLC
- Size
- 130.7 MB
- Category
- Music
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - iPad
Requires iPadOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- English and Russian
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Monthly $9.99
- Yearly $29.99
- Lifetime $39.99
- Copyright
- © 2026 Nikolai Tsyrenov