PureTune

PureTune is a no-nonsense instrument tuner that gets you in tune fast: tune your guitar, bass, ukulele or banjo in seconds without popups or intrusive upsells. It opens instantly, shows a clear visual gauge and accurate pitch detection so you can correct tuning by ear or visually and start playing right away. Musicians who dislike cluttered tuner apps will appreciate PureTune's streamlined interface, small unobtrusive banner ad to keep the app free, offline operation and the ability to save favorite tunings—everything needed to go from picking up the instrument to playing in moments.

Key Features

⭐ Accurate real-time pitch detection for quick, precise tuning.

⭐ Clear visual gauge that shows sharp, flat or in-tune at a glance.

⭐ Support for 6- and 7-string guitar, 4-string bass, ukulele and banjo with 41 preset tunings.

⭐ Save any tuning as your default for instant setup.

⭐ Haptic buzz when a string reaches correct pitch.

⭐ Works fully offline—no internet connection required.

Advantages

✅ Fast, focused interface that gets you tuning and playing immediately.

✅ PureTune avoids full-screen popups and intrusive upsells after the first login.

✅ Small banner ad keeps the app free while remaining unobtrusive.

✅ Developer is responsive to bug reports and requests and can add tunings on request.

Disadvantages

❎ A small banner ad is displayed at the bottom to support the free app.

❎ Built-in support is limited to the listed instruments and 41 tunings; additional tunings need to be requested.

Development Team

PureTune was created by a solo developer who built the app out of frustration with cluttered tuners. The creator actively maintains the app and welcomes bug reports, tuning requests and suggestions by email.