OctaveTuner

Octave Tuner — Precision Tuning for Every Instrument Your instruments deserve better than guesswork. Octave Tuner delivers ultra-precise, high-Hz pitch detection so you're always in tune — whether you're backstage, in the studio, or practicing at home. PRECISION YOU CAN HEAR Octave Tuner's advanced pitch detection identifies your note and exact frequency in real time. No lag. No drift. Just accurate tuning, every time. BUILT FOR MUSICIANS WITH MULTIPLE INSTRUMENTS Create and save custom profiles for each of your guitars, basses, or ukuleles. Switch between instruments in seconds — no reconfiguring, no guesswork. Whether you play a vintage acoustic, an electric with drop-D, or a short-scale bass, your settings are always ready. INTONATION GUIDE Go beyond open-string tuning. Octave Tuner's intonation guide helps you dial in pitch accuracy across the entire fretboard — so every chord, every position, rings true. BUILT-IN METRONOME Practice in time with a clean, distraction-free metronome. No need for a second app. SUPPORTS GUITAR, BASS & UKULELE Optimized tuning profiles for standard and alternate tunings across guitar, bass guitar, and ukulele.