Guitar Tuner - Chromatic 4+

Last Harmonic LLC

    • Free
    • Offers In-App Purchases



A simple, free tuner that works.

What the users are saying:
"This is the only chromatic tuner that I tried on here that actually works." - dharris (USA)

"Great app, love the noise cancellation thingy and it's probably the most accurate tuner on the app store" - Joshua Joe (New Zealand)

"Awesome! - One of the best tuners on the app store! I'm impressed" - Ybxbmhnjgl (Canada)

Guitar Tuner is a chromatic tuner which uses the iPhone/iPod microphone to give you an accurate pitch reading.

- works with any instrument!
- chromatic: works with any note!
- accurate to 0.33 Hz
- slider control to filter background noise
- fine tuning display with +/- 50 cent range and 2 cent increments
- wide range display shows +/- 2.5 semitones with 10 cent increments
- extremely fast 0.1 second refresh rate

What’s New

Version 3.0.10

New build for iOS 17

Ratings and Reviews

4.6 out of 5
1.4K Ratings

1.4K Ratings

DaltonSwede ,

Great tuner

I love the simple interface and its very accurate. Plus its free so you cant go wrong!

qmomploi ,

Does its job!

Room has to be very quiet and it takes just a little practice, but otherwise it’s great!

Abunchofbull ,

Works good

Easy to use, large display

App Privacy

The developer, Last Harmonic LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer's privacy policy.

Data Used to Track You

The following data may be used to track you across apps and websites owned by other companies:

  • Identifiers
  • Usage Data

Data Not Linked to You

The following data may be collected but it is not linked to your identity:

  • Identifiers
  • Usage Data
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More

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