Resonance turns your smartphone into a professional vibration analysis instrument. Measure record and analyze vibrations with real-time spectral analysis — on-site in seconds.

Real-Time Analysis:
• Live accelerometer streaming with instant frequency domain charts
• Power Spectral Density (PSD) and FFT analysis
• Configurable window functions (Hanning Blackman and more)
• Velocity and displacement computed from acceleration data

Bluetooth Sensor Support:
• Connect external Bluetooth accelerometers for higher precision
• Compatible with Witmotion sensors (WT9011DCL)
• Seamless pairing and real-time data streaming

Powerful Tools:
• Damping ratio estimation
• Customizable units (G m/s² mm/s G²/Hz)
• Adjustable recording delay and duration
• Tap-to-inspect crosshair on all charts

Export & Share:
• Export raw data as CSV for further analysis
• Generate professional PDF reports
• Save and revisit past recordings on-device

Versatile Applications:
• Assess suspended floor serviceability
• Measure fundamental periods of structures
• Diagnose problematic floor or machinery vibrations
• Detect resonance issues
• Aid in isolator mount design and validation
• Vehicle NVH and HVAC vibration diagnostics

Perfect for engineers architects technicians researchers and hobbyists seeking vibration analysis on the go.

Available in English Spanish German French Portuguese Russian Japanese Chinese (Simplified & Traditional).

Disclaimer: Use of the Resonance Vibration Analysis app is at your own risk. The app is provided on an AS-IS basis. We do not assume responsibility for decisions made by users based solely on information provided by this app.