Acceleration tests
Measure 0-60, 0-100, 0-200 km/h, quarter mile, and custom intervals with high-precision GPS.
Measure your car's acceleration with GPS precision
Track 0-100 km/h, 100-200 km/h, 1/4 mile and more — right from your iPhone or iPad. No external hardware needed.
Free to download · Available worldwide
Built for drivers and enthusiasts
GPS speedometer
A clean, accurate speedometer that doesn't depend on your car's odometer.
Multi-car garage
Save your cars and compare runs across them — from daily driver to weekend track car.
Run history
Every measurement is saved automatically. Review your progress and beat your records.
Share results
Share your best runs with friends or post them to social media in one tap.
Privacy-first
Your location data never leaves your device. We don't sell or share any personal data.
How it works
- 1Place your iPhone somewhere safe in the car, or hand it to a passenger.
- 2Open the Analysis tab — no taps needed. Logging starts automatically as soon as the car begins to move.
- 3Drive responsibly on a safe, closed test area. The app measures every interval in real time.
- 4Review your results, save the run to your garage, and share it.
⚠ Use Launchmeter only on closed test facilities. Never operate a vehicle while using the app — a passenger should always handle the device. Always obey traffic laws.
Get Launchmeter
Available on iPhone and iPad. iOS 17 or later.