Magnitude: Car+Moto Telemetry

Turn your iPhone into a precision performance instrument.

Magnitude tracks speed, G-forces, acceleration, and lean angle in real time; using GPS+IMU sensor fusion for smooth, accurate readings. Built for cars and motorcycles.

LIVE DASHBOARD
• Circular speedometer (0–240 km/h / 0–150 mph)
• Friction circle G-force visualization
• Motorcycle lean angle gauge (±60°)
• Live map & elevation profile

PERFORMANCE TESTS
• 0–60 / 0–100 timing — fully automatic, no button press needed
• Braking test: 60–0 mph with stopping distance
• Customizable speed ranges

SESSION RECORDING
• Continuous logging of speed, G-forces, GPS & altitude
• Speed-colored route replay map
• Charts: Speed/Time, G-Force, Elevation
• Export as CSV, GPX & PNG

LIVE ACTIVITY & DYNAMIC ISLAND
• Current speed on your lock screen
• G-force or lean angle in the Dynamic Island

PRO FEATURES
• Unlimited sessions
• Motorcycle mode with lean angle gauge
• Braking test & route replay
• Sensor tuning (GPS/IMU balance, up to 60 Hz)
• Full statistics dashboard & personal records

Track day, canyon run, or daily commute. Know exactly how you drive.