Which OBD-II adapter should I buy?

The OBD-II standard became mandatory in 1996 for cars sold in US market, 2001 for cars sold in EU market and 2008 for cars sold in the Chinese market. So …

The app is in wrong language, how do I change that?

RaceChrono follows the language settings on your phone (See “Settings > General > Language & Region”). It will use the first language supported language in the “Preferred language order” setting. …

How do I get a refund?

You can request a refund directly through Play Store; there is a button if you are within the refund window. You can also request a refund directly from us through …

How do I get a refund?

App Store does not provide developer a way to directly refund users, so we can only direct you to request a refund from iTunes App Store yourself. Follow the refund …

Why don’t my laps register?

It could be two things; bad GPS signal or invalid Start/Finish line placement. Check for bad GPS signal: Open your session and tap the round “Route” button to open analysis …