Generate tones, adjust frequency, test hearing
Generate sine, square, sawtooth, and triangle tones across a wide frequency range. Adjust frequency by swiping up or down. Sweep sine frequency for hearing testing. Play tones to clean speakerphone dust and water.
Showing 801–820 of 1,000 ranked alternatives.
neverlabs UG
Tune and check pitch accuracy
Tune guitars, basses, ukuleles, banjos, violins, violas, cellos, or mandolins using the device's microphone. Adjust pitch with visual indicators. No account required. Save tuning presets. Share tuning results.
Ronald Nicholson
Morse Code audio to text decoder.
The app decodes Morse Code audio input from a microphone or headset into text. It offers automatic decoding and manual controls for audio frequency, WPM speed, and background noise threshold.
Maojian Tang
Calculate interest returns
Calculate interest by entering principal, annual rate, compounding frequency, and time. Automatically display final investment amount.
Afriwan Ahda
Vibrate to remove water
Uses sound frequencies to remove water and debris from speakers. Vibrates membrane to eject trapped moisture, dust, and particles. Cleans grill, earpiece, and bottom openings without tools. Restores audio clarity and volume.
K SOLUTION LLC
Tune instruments with pitch detection algorithm.
The app provides instrument tuning utilizing a pitch detection algorithm. It monitors string pitch frequency during adjustments for tuning.
Masafumi Endoh
Digital clock with time signal.
The app provides a digital clock with a time signal function. It offers five distinct sound sets, including digital clock sounds, cuckoo, voice, Whittington chime, and church bells.
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