RaceChrono is a versatile lap timer, data logging and data analysis app designed especially for use in motorsports, replacing your traditional lap timers and data loggers. The RaceChrono Pro app also enables you to record videos and overlay them with the logged data.
RaceChrono apps have a strong following, currently over 100000 active users on iOS and Android devices. If you look around at pits during your race or track day, chances are that you’ll see someone using RaceChrono. Even many professionals, such as factory test drivers and race driving instructors, are known to use this app! No matter whether you ride motorbikes, drive go-karts or cars, on closed circuit or special stage tracks – this is the motorsports app for you.
RaceChrono app started its “life” in early 2007 as a fun hobby project for my new Nokia Series 60 phone. Fast forward major milestones: Top 10 app in Nokia’s Ovi Store with over a million downloads (2009), RaceChrono app for Android (2012), RaceChrono Pro for Android with video functionality (2014) and RaceChrono Pro for iPhone and iPad (2017).
RaceChrono has received funding from the European Regional Development Fund to develop next generation RaceChrono app that utilizes new technologies for data processing.
| RaceChrono Pro for iOS |
RaceChrono Pro for Android |
RaceChrono for Android |
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| Lap timing with sectors and optimal lap | ✓ | ✓ | ✓ |
| Track library of >2000 pre-made race tracks | ✓ | ✓ | ✓ |
| Custom user defined circuit and point-to-point tracks | ✓ | ✓ | ✓ |
| Data analysis with synchronised graph, map and video | ✓ / ✓ / ✓ | ✓ / ✓ / ✓ | ✓ / ✓ / ✘ |
| Predictive lap timing and time delta graph | ✓ | ✓ | ✘ |
| Hardware accelerated video export with configurable data overlay | ✓ | ✓ | ✘ |
| Multiple camera recording and picture-in-picture video export | ✓ | ✓ | ✘ |
| Video recording using internal camera | ✓ | ✓ | ✘ |
| Remote control of GoPro® HERO action cameras | ✓ | ✓ | ✘ |
| Linking and synchronising video files from almost all action cameras | ✓ | ✓ | ✘ |
| Support for external GPS receivers | ✓ | ✓ | ✓ |
| Support for Bluetooth and Wi-Fi OBD-II readers | ✓ / ✓ | ✓ / ✓ | ✘ / ✘ |
| Support for Bluetooth LE heart rate monitors | ✓ | ✓ | ✘ |
| Support for DIY data sources and sensors | ✓ | ✓ | ✘ |
| Unlimited session length, good for 24 hour races | ✓ | ✓ | ✓ |
| Session data export in .ODS (session summary for Excel), .NMEA, .VBO and .CSV formats | ✓ | ✓ | ✘ |
Change log for RaceChrono Pro v7.5.3 for iOS (20.6.2022): Added: Experimental support for Wheel Turtle temperature sensorsFixed: RaceBox mini accuracy channel magnitudeFixed: Possible crash when opening a sessionFixed: Missing translations …
Change log for RaceChrono Pro v7.5.3 for iOS (20.6.2022): Added: Experimental support for Wheel Turtle temperature sensorsFixed: RaceBox mini accuracy channel magnitudeFixed: Possible crash when opening a sessionFixed: Missing translations …
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