Your choice for perfect timing on Regularity Rallies!


TSD Navigator is a mobile application which helps to make calculations required in regularity, or time-speed-distance rallying.

Android OS

The application works on lots of mobile devices which run the Android OS.

GPS odometer

Distance is measured by means of GPS, you do not need expensive car equipment.

Adaptive design

The user interface fits all screen sizes, phones and tablets.

Odometer calibration

The odometer in the application can be calibrated, ensuring the measured distance will be most possibly close to the official.

Transport and Regularity sections

The application supports timing on transport and regularity sections, doing all the necessary calculations.


All speed changes and passing times are recorded, making it easier to check your results.


The TSD Navigator can run on most Android devices.


Android OS version 4.0 or newer

Screen size not less than 4" (7" or more recommended)

GPS module

3G or WiFi recommended for Internet access and map display


You can download the application and the user manual.


A function-limited demo version. You can unblock the full functionality by entering a licence code.

User manual

User manual in PDF format (Acrobat Reader required) covering most of the application features.


Please contact us for licensing.

The mileage of the downloadable demo version is limited to 20 km. You can unblock full functionality by buying a licence. The cost of a license is 149$ and you can pay us through PayPal. Please contact us at with all licensing questions.


Help and support

We provide help and support for our users.

Ask your questions and report bugs at