KTV21 Support
Need help with a room, your account, or the app? We’re here to help.
Contact support
Email ktv21@ktv21.com. Include the email address on your account (if you signed in), your device, and a short description of what happened. We’ll reply by email.
Get started
- Start a room on the device you want to use as the karaoke screen.
- Share its QR code or room link so friends can join from their own devices.
- Search for a song, add it to the queue, and play it.
Account and privacy
Signing in is optional. It lets you keep favorites, playlists, and history across devices.
Common questions
Browse the KTV21 FAQ for room setup, supported devices, and how KTV21 uses YouTube videos.