RaceTimer turns your iPhone into a precision motorsport instrument. Mount it on your dash, calibrate once, and go.
LAP TIMER
• GPS-based automatic lap detection — set your start/finish line once
• Live lap counter and current lap time during your session
• Speed graph per lap — see where you gained or lost time
• G-force chart across the full session
• Satellite map with colour-coded GPS track path
ACCELERATION TIMER
• Automatic 0–100 km/h and 0–60 mph timing
• GPS-based speed measurement for accurate results
• Auto-starts when motion is detected, auto-stops at target speed
• Large, easy-to-read display — glanceable at speed
G-METER
• Real-time lateral and longitudinal G-force display
• Skidpad-style 2D gauge — see exactly where the forces are going
• Artificial horizon page — pitch and roll at a glance
• Persistent MAX G readout with manual reset
• Calibrate to your mount angle with one tap
RACE AGAINST FRIENDS
• Compete with friends and compare lap times and performance
• Just scan a QR code or share a link and you’re good to go
HISTORY
• Every session saved automatically
• Lap sessions: review times, GPS map, speed graph, and G-force chart
• Acceleration runs: review split times, brake test results, and top speed
• Share results as image, CSV, or KML track file
DESIGNED FOR DRIVING
• Pure black instrument-cluster aesthetic
• Monospaced readouts for at-a-glance visibility
• Screen stays on during active sessions
• Portrait mount — optimised for windshield and dash
PRIVACY
• All race data is stored on your device
• No data is sent to external servers
