Tuner Gauge: Chromatic Tuner

Tuner Gauge - Simple, Accurate, Chromatic Tuner

Tune with confidence. No ads, no tracking, just pure, open-source pitch detection. This tuner is fine tuned to frequencies between 69Hz-4108Hz which is perfect for most instruments!

This open-source tuner app helps musicians of all levels tune their instruments quickly and accurately. Whether you're playing guitar, violin, bass, ukulele, singing, or something else, you'll get real-time pitch feedback with cent-level precision.

Built with advanced signal analysis to detect musical notes and display pitch deviation in a clean, responsive interface. Powered by Apple’s low-latency audio stack for sub-100ms pitch detection.

No account required. No hidden features. Just open, tune, and play.

Features:

• Supports guitar, violin, bass, ukulele, and more
• Chromatic tuner with cent accuracy
• Real-time precision pitch detection
• Visual pitch meter with note and deviation display
• Pitch history graph for tracking tuning stability
• Historical tuning standards (Baroque, Classical, Verdi, etc.)
• MIDI reference configuration for digital musicians
• Built-in reference tone generator with multiple waveforms
• Professional signal monitoring with decibel meter
• 100% private - no ads, no data collection
• Accessibility support
• Open source

Perfect for beginners, pros, and anyone who values simplicity and fine tuning.

Download now, or explore the source and learn about this app or contribute on Github at https://github.com/michael94ellis/FreeTuner