https://play.google.com/store/apps/details?id=com.valdetaro.slocarlapcounter
Gepetto Slot Car Lap Counter - Apps on Google Play
Gepetto Club Slot Car Lap Counter. A lap counter for slot car racing fans.
https://pclapcounter.be/
Pc Lap Counter - Slot racing software - Lap Timer - Lap Counter - timing software
Pc Lap Counter Laptimer software for slot racing and other