Measure top speed, acceleration, braking and best lap time of your vehicle.

Easy way to know 0-100 km/h, 0-60 mph, quarter mile and other checkpoints. You can add your own checkpoint as well. Save your results to PDF and share it via WhatsApp, Telegram, Viber, email or any way you want.

In Lap Timer mode you can check your best and current lap time and export results to file. This feature best for external Bluetooth and USB GPS receivers.

Speed Logic supports various types of external Bluetooth and USB GPS/GLONASS receivers such as Racelogic VBox Sport 20Hz, UBlox USB 6x, 7x and 8x series dongles with refresh rate up to 20 Hz, QSTARZ 5 and 10Hz receivers, Garmin, GlobalSat and other gadgets with NMEA 0183 standart. Also you can use OBD ELM327 Wi-Fi and Bluetooth adapters connected direct to your vehicle.

Speed Logic designed for any devices with various screen resolutions including car head units, mobile phones, notebooks, 7" and 10" tablets.

Use Speed Logic as a handy speedometer with number of extra features such as instant mileage and speed in kilometers, miles or knots, thermometer in Celsius and Fahrenheit, atmospheric pressure and humidity, satellite connection info, clock and battery level.

Lightweight, ad-free and easy to use. Works even on old models with small displays.
Speed Logic do not track you and do not collect any personal data.

Android 8.1 Oreo ready.

Whant to add your device to app?
Need more info or help?
Please visit our website https://SpeedLogicApp.com

Recent changes:
1) Added auto start after finish.
2) Work in background without disconnecting from GPS.
3) Setting up a race start detection - by GPS, accelerometer or GPS and acc together.
4) Support for Racebox Pro and FreeLogic WiFi devices.
5) Switch between fullscreen and normal view.
6) Screen rotation 360 degrees.
7) Bluetooth devices displays with MAC addresses.
8) Updated USB, OBD and Bluetooth components.
9) Adjusting threshold of accelerometer and GPS.
10) Android 10 Q ready.