Launchmeter: 0-60 Drag Timer
GPS Speedometer & G-Force Log
About
Measure your car's acceleration performance with precise timing and G-force logging. It uses GPS and motion sensors for accurate readings, saving all your runs and routes locally for later review. Optional pro features offer weather correction and data export.
What's New in Launchmeter
1.3
September 29, 2026
• All-new telemetry-style dashboard: big speed, segmented speed bar and live splits vs. your best • Speed now fuses GPS with the accelerometer and gyroscope for more accurate launch timing • Filters out hand shakes and road bumps • New pull-up panel: G-force circle, grade, live trace, route and local weather • Now in English, 繁體中文, 日本語, 한국어 and Deutsch, with mph / km/h • New Launchmeter Pro (optional one-time purchase): weather-corrected times, export, share cards, multiple cars
MoreSubscriptions & In-App Purchases
$4.99
Launchmeter Pro
Corrected times, export, share cards, cars
Developer apps
FAQ
What is Launchmeter's primary function?
Launchmeter turns your iPhone into a performance meter to measure your car's 0-60 mph time with a one-tap countdown. It also logs G-force and saves your runs and routes.
How does Launchmeter ensure accurate speed readings?
It uses a fusion of GPS data with your iPhone's accelerometer and gyroscope. The accelerometer detects the launch moment, while sensors fill gaps between GPS fixes for consistent readings.
Can I track multiple cars with Launchmeter?
Yes, the optional Launchmeter Pro upgrade allows you to log and compare runs for multiple cars, providing dedicated performance data for each vehicle.
What kind of data can I export with Launchmeter Pro?
Launchmeter Pro enables you to export your performance data as CSV files and your routes as GPX tracks, allowing for further analysis and sharing.
Does Launchmeter have ads?
No, Launchmeter is ad-free. The core functionality is free forever, with an optional one-time purchase for Pro features.
Is Launchmeter available on Android devices?
Based on the provided data, Launchmeter is currently only supported on iPhones.
How often is Launchmeter updated?
The app was last updated on September 29, 2026, indicating a recent update. The latest version is 1.3.
What is the age rating for Launchmeter?
Launchmeter has an age rating of 4+, making it suitable for a wide range of users.