Tune in 3 steps
- Pick your instrument above (or Any instrument for voice, flute, piano and winds).
- Tap Turn on the tuner and allow the microphone.
- Play an open string. ▲ Tighten if it is low, ▼ Loosen if it is high, until it turns green ✓.
Standard tuning of each instrument
| Instrument | Strings (low to high) |
|---|---|
| Acoustic and electric guitar | E A D G B E |
| 4-string bass | E A D G |
| 5-string bass | B E A D G |
| Ukulele | G C E A |
| Mandolin and violin | G D A E |
| Banjo (5-string, open G) | g D G B D |
| Cello | C G D A |
Questions
How do I tune my guitar with my phone?
Pick Guitar, tap Turn on the tuner and allow the microphone. Play an open string: with ▲ tighten the peg, with ▼ loosen it, until it turns green.
Is it free? Do I need to sign up?
It is free, no sign-up, nothing to install. It works on your phone and computer.
Does it work for any instrument?
Yes. The Any instrument (chromatic) mode shows the note of any sound: voice, flute, piano, winds.
What is the A4 = 440 Hz reference?
It is the pitch of the A that all notes are based on. The standard is 440 Hz; orchestras use 442 and some prefer 432. Change it with − and +.
The microphone does not turn on. What do I do?
Tap the lock next to the site address → Microphone → Allow. Close other apps using the microphone and tap Turn on the tuner again.