Privacy
BandNerdz has no accounts, no analytics and no ads. We don't collect anything about you, and nothing you do in the app is sent to us.
Spotify
The person running the game signs in to Spotify. The sign-in token Spotify gives the app stays in your iPhone's Keychain. The app uses it to see what's playing, search, and start or skip songs. It goes to Spotify and nowhere else.
Song tempos
To find a song's tempo, the app first asks ReccoBeats using the song's Spotify ID. If ReccoBeats doesn't know it, the app asks Deezer's public API using the song's ISRC, a public code that identifies the recording. If neither knows it, the app may ask GetSongBPM using the song's title and artist. Nothing about you is included.
Tempo data provided by GetSongBPM.com.
Players and scores
Player names, emoji and game results stay on your iPhone. If you're signed in to iCloud, they sync through your own private iCloud database, which we can't see.
Crashes and logs
Crash reports and the app's log stay on your iPhone. Settings has an Export logs button if you ever want to send them to us yourself.
This website
No cookies, no tracking. The beat on the home page is made in your browser. The site is served by Cloudflare, which keeps standard request logs.
Questions
Email [email protected].
Updated 15 November 2026.