Twiddl Chromatic Tuner

Twiddl is a focused chromatic tuner for iPhone. Open it and play. Twiddl starts listening immediately. Features: - Chromatic tuning from A0 through C8 - Fluid, continuous pitch feedback - Automatic listening when the app opens - Clear note, octave, frequency, and cents readouts - Adjustable concert pitch from A4 = 430–450 Hz - Accessibility labels and Reduce Motion support Private by design: - Audio is analyzed only on your iPhone - Nothing is recorded, saved, or uploaded - No account, advertising, analytics, or tracking Twiddl began as the tuner I wanted for myself. I’m sharing it in case it feels better to someone else, too. This tuner is free, and it will stay free.