The best star race timer apps on iPhone average 4.4★ across 192+ titles — we've ranked them by what real users actually keep on their phones. Updated May 2026.
Measure your car's acceleration with this app, which supports different modes such as 0-60 mph and drag racing, and allows unlimited measurements with analysis tools. Download the app to start tracking your car's performance and view detailed results locally on your device.
Track your vehicle's performance with real-time GPS speed, GForce, and acceleration stats from 0-60 mph, 0-100 km/h, and 1/4 mile distances. Easily switch between metric and imperial units, and use the drag race simulation feature to test your car's limits and improve your driving skills. Start optimizing your speed with this all-in-one speedometer and GForce app today!
Measure acceleration times of your vehicle with this app designed for drag races like 1/4 mile races or speed-based sprints. Set up the timers, place your phone securely in your car for GPS tracking, and start the test. Save results locally for later access and adjust timers to suit your needs. Start racing now!