PureTune

PureTune is a minimalist instrument tuner for guitar, bass, ukulele and banjo that gets you in tune fast without interruptions. Open the app, choose your instrument or tuning, and PureTune provides accurate real-time pitch detection with a clear visual gauge so you can see if strings are flat, sharp or in tune. It is ideal for players who want a no-nonsense utility—no popups, no full-screen ads—so you can tune and start playing within seconds; the app also works offline and includes multiple preset tunings for quick access.

Key Features

Accurate real-time pitch detection provides fast, reliable tuning for guitar, bass, ukulele and banjo.

Clear visual gauge shows whether a string is flat, sharp or perfectly in tune.

Includes presets for 6- and 7-string guitar, 4-string bass, ukulele and banjo with 41 tunings available.

Save any custom tuning as your default for instant recall.

Haptic feedback confirms when a string reaches the correct pitch so you can tune without constantly watching the screen.

The tuner works fully offline so you can tune anywhere without an internet connection.

Advantages

Fast, interruption-free tuning with a minimal, easy-to-read interface that gets you playing sooner.

Lightweight and free to use, supported by a small, non-intrusive banner ad to keep the app available to everyone.

The developer is responsive and welcomes requests for additional tunings or bug reports.

Disadvantages

A small banner ad is present at the bottom to keep the app free.

Focused exclusively on tuning and does not include lessons, a metronome, or other practice tools.

Development Team

PureTune was built and is maintained by a solo developer who created the app out of frustration with intrusive tuners; they handle updates, fixes, and tuning requests directly and encourage users to get in touch with feedback.