iPhone and iPad
Tuner Pro Studio
A precise chromatic and guitar tuner with a wide, easy-to-read needle. Play one note, centre the needle, and you are in tune.
Email supportWhat it does
- Chromatic mode shows the note, octave, frequency and cents on a ±50 cent needle
- Guitar mode for Standard and Drop D: it detects the string you play, or tap a string to lock it
- Each string you tune gets a green check that stays until you pluck that string again
- A4 reference from 400 to 480 Hz, with 432, 440 and 442 Hz one tap away
- In-tune range from ±0.5 to ±10 cents (±0.5 by default), three noise filters, sharps or flats
- An optional tap and short chime when a note locks in tune
- Works offline: no account, no ads, nothing recorded
Common questions
Why does it need the microphone?
To hear the note you play. The sound is analysed on your device as it arrives and is never recorded, saved or sent anywhere. The microphone turns off when you leave the app.
Can it tune a chord?
No. Play one note or one string at a time so the tuner can lock onto it.
The reading jumps or does not appear
Pluck a single string and let it ring, close to the phone. In a loud room, choose the Noisy filter in Settings. Very quiet notes are ignored on purpose.
The string is green but the needle is not exactly at zero
In Guitar mode, anything inside your in-tune range shows as centred. You can set the range in Settings from ±0.5 to ±10 cents.
How do I turn off the chime or the tap?
Open Settings with the slider button at the top right and switch off In-tune chime or In-tune haptics.
Which devices are supported?
iPhone and iPad with iOS 15 or later.
What data does Tuner Pro Studio collect?
None. Your settings are stored on your device only. See the privacy policy.
Something is not working
Email salih@simpleideas.net with your device model and iOS version. Every message gets a personal answer.