Unlock the secret weapon behind iconic guitar tones.
From Keith Richards' Open G to My Bloody Valentine and Swervedriver's walls of sound to Hawaiian slack-key to Saharan desert blues — learn the exact tunings used by 145+ artists worldwide.
Built for Alternate Tunings
Most tuner apps treat alternate tunings as an afterthought. AltTuner is built around them — browse by artist, explore by song, and discover the exact tunings behind the sounds you love.
Accurate real-time pitch detection with visual feedback. Get perfectly in tune for Open G like the Stones or DADGAD like Jimmy Page.
Drop D, Open G, Shoegaze Drone, Nashville, and dozens more. From metal drop tunings to folk open tunings to experimental Sonic Youth string gauge configurations.
Artist driven approach that inspires experimentation. From "Start Me Up" to "Loveless" to "Kashmir" — see exactly which tuning was used on your favorite tracks.
Led Zeppelin. My Bloody Valentine. The Smiths. Joni Mitchell. Nirvana. Mdou Moctar. All organized by the alternate tunings they use.
Build your personal alternate tuning toolkit. Quick access to the tunings you use most.
New tunings, songs, and artists added regularly. From desert blues to doom metal — we keep expanding.
How It Works
Start with an artist you love, a song you want to learn, or just browse tunings by category. Follow the threads.
Discover that Nick Drake and Led Zeppelin both used the same tuning. See which other artists share your favorites.
Tap any alternate tuning to load it. Tune up and start experimenting with sounds you've never tried.
AltTuner uses your microphone only for tuning detection. Audio is processed in real-time and never recorded or stored. No analytics, no tracking.
Pro Upgrade
The full database is always free. Pro unlocks every tuning.
One-time purchase