FlexTunerPro

1. Download and open FlexTunerPro, then allow microphone access so the tuner can hear your instrument. 2. Select an instrument preset or choose Chromatic mode from the home screen. 3. Play a note or pluck a string and adjust tuning until the needle centers and the in tune indicator appears. 4. Tap Tuning to switch presets or alternate tunings, use Calibrate to set A4 between 415 and 466 Hz, and enable Noise Filter in Settings for loud environments. 5. Use the Tone Generator for reference pitches and the Metronome for practice, then save your favorite setups for quick access.