HomeAppsProductivityFFTSensorApps like FFTSensor Here are some great alternatives to FFTSensor by E.N.Software : Vibrations! ★4.4 Resonance - Vibration Analysis ★3.9 Vibration Meter ★4.5 mVIBE vibration meter/analyzer ★3.7 Accelerometer Counter ★4.6 Vibration Meter ★4.3 Vibration Meter ★4.5 Stroboscope Engineer ★3.8 Vibration Meter and detector ★4.4 AC Magnetic Field Meter ★4.5 Vibration meter - Seismometer ★4.1 Audio Spectrum Monitor ★3.9 Vibration Meter & Sound Meter ★4.1 Sound Analyzer Basic ★4.2 Smart Meter Pro ★4.5 Gyroscope Counter ★4.8