Apps Like Test-Drive Lite: Speedometer for iPhone and iPad
Measure speed and track acceleration performance
Measure vehicle acceleration from 0-100 km/h and 100-200 km/h. Track quarter-mile times over 402 meters. Use built-in GPS and accelerometer for accurate data. Save and view speed and time logs. Share results via social media.
by DMITRY MIKHAYLEV★ 4.242 ratingsSportsFreeData updated 2026-09-14
Track head impacts with real-time data on linear and rotational acceleration. Monitor impact characteristics for each hit. Share data with coaches and parents. Set up teams and manage player safety protocols.
Convert units across 35 categories including acceleration, angle, area, specific heat, electric charge, and heat transfer. Input values and select units for instant conversion. Save frequently used conversions for quick access.
1. Convert units, currencies, and timezones instantly by typing a number and a few letters. Use a dedicated numpad to switch keyboards. Learn conversion patterns over time. Fetch current currency rates and display approximate values when needed.
Convert units across 77 categories with over 1000 options. Perform multiple conversions on one screen. Add custom units and categories. Use built-in calculator and numeric keyboard. Convert complex measurements like height and weight between systems.