100,000 - 500,000 downloads

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RaceChrono™ lap timer app can be used for almost all types of motor and outdoor sport. RaceChrono has rich lap timer and analysis features especially designed for motor sports, making it a great alternative to traditional car, karting and motorcycle lap timers.

RaceChrono has following major features:
• Lap timer for circuit and point-to-point tracks (both standing start and flying start is supported)
• Gauges for viewing all live data
• Analysis mode with smooth scrolling configurable map and graphs
• Lap list with optimal lap time calculation
• Library of over 1000 pre-made racing circuits
• Exporting to VBO, CSV and NMEA formats
• Intuitive track editor for creating your own track maps
• Virtually unlimited amount of saved sessions
• Virtually unlimited session length
• Smooth graphics especially on devices that support hardware acceleration
• Bluetooth GPS support up-to 20hz (for superior accuracy over internal GPS)
• Internal GPS support

Available through in-app-purchases:
• Support for VBOX Sport, RaceDAC and OBD-II readers
• Predictive lap timing
• Time difference and time gain channels

Notice, devices with Android 2.2 will get an older version of the application with slightly fewer features

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Recently changed in this version

Change log for v3.35:
- Added Italian translation
- Fixed traps were sometimes (rarely) not trigged when crossed
- Fixed not recording data for other devices if GPS was set to other than Device #1
- Fixed initial map zoom on Android 5.0 (maps v2)
- Fixed map zooming was impossible when recording a session or playing back video on Android 5.0 and Maps v2
- Fixed crash when opening analysis
- Fixed back navigation on Android 4.0 and 4.1

Comments and ratings for RaceChrono
  • (74 stars)

    by vasos1973 on 04/08/2012

    I tried it a few days ago at Athens Circuit (Megara) in Greece and I was very dissapointed as it didn't work at all. Afterthat I sticked with my previous gps lap timer that works perfect for my needs.

  • (74 stars)

    by Matthew Hook on 17/01/2015

    Great app

  • (74 stars)

    by Peter sullivan on 08/01/2015

    Simply the best app money can't buy. Truly amazing!

  • (74 stars)

    by Troy Traeger on 03/01/2015

    Fast & fluent app.

  • (74 stars)

    by Barry peel on 30/12/2014

    I use it to track my kart racing and its right on with my mychron data logger.

  • (74 stars)

    by 2engjnr2 on 21/12/2014

    I can't beleive how free this is!

  • (74 stars)

    by Hafez Kamarudin on 20/12/2014

    Very usefull apps to replace the track transponder...

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