Best G alternatives: apps like G-Box Dyno

GinnyPix Racetimer

Now with 20 Hz TrueSpeed

Free

Transform your iPhone into a precision motorsport instrument for lap timing, acceleration tests, and G-force measurement. Track your performance with detailed graphs and maps, and even race against friends. All your data is securely stored on your device.

Dynometry 0-60 & 0-100 test

Track Timer & Daily Dashboard

Free

Measure your vehicle's acceleration with precision GPS and sensor data. Analyze performance with detailed graphs and share your results. Supports various test types for car enthusiasts and racers.

FastTrack Rides

0-60 Timer & Car Community

Free

Precisely time vehicle performance metrics like acceleration and rolling speed using GPS. Connect with fellow enthusiasts to share results, buy/sell parts, join groups, and engage in real-time drives.

PerfExpert - Car Dyno HP Test

Measure Real HP & Torque

$8.99

Transform your smartphone into a powerful onboard dyno to measure your car's engine power and torque with high accuracy. Verify tuning, remaps, and upgrades with detailed reports and interactive charts. No external sensors or car connection required.

Race Buddy: Lap & Drag Timer

0-60, Quarter Mile, Track Day

Free

This app transforms your device into a professional racing performance analyzer. It offers GPS lap timing, drag racing measurements, and video data overlay for automotive enthusiasts. Track your performance, compare with others globally, and analyze your runs with detailed telemetry.