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Filter, augment, and amplify the sound around you and on your device.
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Poweramp Equalizer is a sound customization app that adjusts audio output across your Android apps.
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Measure the environmental noise by tidy sound meter
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Experiment with audio frequencies, binaural beats, noise & create your own sound
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Intuitive metronome and practice tracker — upgrade your music practice today!
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Experiment with frequency generator , test speakers, meditate and much more.
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SpotEQ31 is an audio equalizer app that lets you fine tune music with up to 31 bands.
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Spectroid is a real time audio spectrum analyzer app that visualizes sound frequencies from your device’s microphone.
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Transcribe tunes, change pitch and speed with no loss in quality
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Perform physics experiments with your phone. (by the RWTH Aachen University)
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Turns your device into a professional sound level meter (dBA SPL)
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Sound Meter - powerful in its simplicity and convenience of use.
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Instrument tuner used by millions. Guitar tuner, Violin tuner, Voice Ukulele etc
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Neutralizer. Equalizer redefined.
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Get Super Hearing! Record & Boost Sound. Pro Microphone Volume Booster for Audio
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Measure the environmental noise by sound meter & know the decibel value in live
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Petralex Hearing Aid App – advanced volume booster & hearing amplifier
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Real-time FFT Audio Spectrum Analyzer for your Android device!
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Frequency Sound Generator - waveform audio signal generator/ function generator
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Measure environmental noise with your phone.