Aura Tuner

100% free. No ads. No subscriptions. A precision chromatic tuner with a built-in metronome — tap tempo, accents, and subdivisions. Just open and play.

Tune any instrument. Detect any key. Completely free.

Aura Tuner is a professional-grade chromatic tuner and real-time key analyzer with a stunning, distraction-free interface.

CHROMATIC TUNER Ultra-responsive pitch detection powered by real-time audio analysis. The needle settles with fluid, physics-based animations as you tune guitar, bass, violin, ukulele, piano, voice, brass, woodwinds, and more. Accuracy down to ±1 cent.

KEY ANALYZER Play or sing anything and Aura Tuner identifies the musical key in real time. Perfect for songwriters, producers, and musicians who need to know what key they're playing in — instantly.

COMPLETELY FREE

• No ads — ever
• No in-app purchases required for core features
• No "watch a video to unlock" gates
• No subscriptions needed
• Every feature available from day one

DESIGNED FOR MUSICIANS

• Liquid Glass interfac, minimal, elegant, zero distractions
• Real-time Hz and cent readout
• Customizable reference pitch (A4 = 415–465 Hz)
• Preset tunings for guitar, bass, ukulele, violin, and more
• Works in loud environments with advanced noise filtering
• Dark mode native, easy on the eyes at any gig

Built by musicians. No compromises. Just open the app and play.