Roll Period

RollPeriod transforms your smartphone into a practical tool for vessel motion analysis.
Using the built-in accelerometer, gyroscope, and GPS, the app provides real-time measurements and insights:
Roll and pitch periods calculated with zero-crossing detection and FFT analysis.
Accurate vessel speed by combining GPS and IMU data.
Interactive visuals including a compass, wave direction, and real-time charts.
Risk assessment with alerts and recommendations for safer navigation.
Data import and export with CSV file support.
Whether you are a sailor, marine engineer, or navigation enthusiast, RollPeriod helps you better understand vessel dynamics and make safer decisions at sea.