RaceChrono Pro 10.1.3 - App Store

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About RaceChrono Pro

RaceChrono Pro 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...

RaceChrono Pro 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. 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 Pro has following major features: . Lap timing with sectors and optimal lap . Track library of over 2600 pre-made race tracks . Custom user defined circuit and point-to-point tracks . Smoothly scrolling data analysis with synchronised graph, X/Y graph, map, video and comparison 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 . Linking and synchronising video files from almost all action cameras . Support for external GPS receivers; Dragy Pro/DRG70/DRG70-C/Lite, RaceBox Mini/Mini S/Micro, Qstarz BL-818GT/BL-1000GT/LT-8000GT, Columbus P-9 Race, Dual XGPS 150/160, VBOX Sport, Garmin GLO . Support for OBD-II readers; OBDLink MX+ Bluetooth, OBDLink CX Bluetooth, Dragy OBD, Vgate vLinker FS, Vgate vLinker/iCar BLE, PLX Kiwi 3/4, Carista OBD2 Bluetooth, Tonwon BLE 1/2/Pro, Veepeak OBDCheck BLE, UniCarScan UCSI-2000, OBDLink MX Wi-Fi, generic Wi-Fi OBD-II . Support for Bluetooth LE heart rate monitors . Unlimited session length, good for 24 hour races . Session data export in .ODS (session summary for Excel), .NMEA, .VBO and .CSV formats

Version History - Created new video list for sessions, which allows adding and importing video files easily to the session. New files containing GPS data are now automatically linked to the session (GoPro, DJI Action, Insta360 and Garmin video files are supported). - Added Video storage in Main screen menu for video file housekeeping - Added GoPro 13 remote control and improved older models - Added GoPro sensor data import from LRV files - Added DJI Action sensor data import (GPS remote needed) - Added Insta360 sensor data import (GPS remote needed) - Added PGear P620/P525 support 10.1.3 May 6 - Fixed: OBD-II and data logger data not always recorded - Fixed: Stability issues 10.0.4 Mar 18 - Fixed: Stability issues 10.0.2 Mar 9 - Added portrait video recording and export - Added ability to place images on video overlays - Added predicted lap time channel and gauge - Added arrow instead of dot in map gauge - Added support for Dragy OBD, Dragy Lite and SatellCom K2/K2S - Added full screen recording and analysis screens in landscape mode - Added video recording frame rate options 100 FPS and 120 FPS - Added video export quality setting - Added video export codec setting h.264/h.265 - Added native iOS 26 support with UI fixes and liquid glass components - Added new channels for electric cars - Added prefer IMU data setting for RaceBox Mini - Added viewable change log 10.0.0 Feb 24 - Fixed: Broken speed calculation for Dragy Pro, Dragy DRG70 and Dragy DRG70-C - Fixed: Russian error message in exporting 9.1.3 08/28/2025 - Added support for new Dragy models, Dragy Pro, Dragy DRG70 and Dragy DRG70-C 9.1.1 07/30/2025 - Added support for Columbus P-70 Ultra GPS - Fixed: Broken combined acceleration channel - Fixed: GoPro videos were exported always as 30 fps 9.0.2 05/10/2025 - Added support for RaceBox Micro - Added standalone overlay export - Added frame-by-frame video seek - New icon set, same on all platforms - Fixed: GoPro 13 sensor data import - Fixed: Exported video frame rate 9.0.1 04/05/2025 - Fixed: Disappearing buttons for video sync adjustment 8.0.9 10/26/2023 - Urgent fix: A lot of noise in the Live screen’s time delta and speed delta, especially on longer circuits (since v8.0.0) - Fixed: Time delta selection problem in Analysis screen 8.0.8 07/18/2023 - Completed German and French translations - Changed: The selected video overlay is now the same for Analysis and Overlaid video export - Fixed: Wrong overlay aspect ratio for non-16:9 video frames when exporting video - Fixed: A couple of upgrade issues 8.0.7 07/08/2023 - Changed: Default Location API mode set to "Best”. This can be changed in Expert settings. - Fixed: Allow selecting GPS time for digital displays - Fixed: Time delta defaults again to two decimals - Fixed: Digital gauge value font scaling - Fixed: Disappearing seek bar 8.0.5 07/06/2023 - Real lateral acceleration, longitudinal acceleration and lean angle channels calculated from IMU data. Supported IMUs are the phone’s internal sensors, as well as RaceBox Mini / Mini S. When using the internal sensors, the phone needs to be on a holder for the whole duration of the session. - New video overlay editor with much more configurability. - Renewed analysis screen with X/Y graph 8.0.3 06/28/2023 - Fixed: Tyre temperature gauge glitch when used with Alsense sensors - Fixed: Memory leak in analysis Analysis screen 7.6.6 12/16/2022 - Added: Remote control support for GoPro HERO 11 - Added: Official support for Alsense ALS Tire BLE tire temperature sensor - Fixed: Allow multi-line comments in AIM .CSV imports - Fixed: Broken lap timing metadata in .VBO exports - Fixed: Export queue reported erroneous “No data to export” when exporting items from multiple sessions or when the queue was opened from the main screen 7.6.4 11/02/2022 - Fixed: Crash when importing GoPro sensor data from more than one video file at once 7.6.3 09/07/2022 - Fixed: GoPro sensor data could not be imported when selecting file from the Photos app (since v7.6.1) - Fixed: Video files were not always downloaded with full resolution from the iCloud Photos 7.6.2 08/26/2022 - Fixed: GoPro remote control feature works properly again on GoPro 9 and 10, and video file downloads are faster and more reliable - Fixed: Too low remaining storage space reported by the video preview screen - Added: Possibility to add narrower traps (10 and 15 meters) - Added: Photos app picker is now used in Import screen for iOS 14 and later - Added: Feature to delete ‘My RaceChrono’ account from the app - Added: Wheel Turtle temperature sensors now officially supported 7.6.1 08/22/2022 - Fixed: RaceBox mini accuracy channel magnitude - Fixed: Possible crash when opening a session - Fixed: Missing translations 7.5.3 06/20/2022 - Added: Convenience button for registering an account - Added: Configurable video fade in and out for video export - Added: Better names for exported files - Removed: Non-functional video quality setting - Fixed: Crash when trying to pick files from Photos app for importing 7.5.2 04/07/2022 - Added support for RaceBox Mini - Added custom channels imported from .VBO files - Improved Import screen - Various fixes and other improvements 7.5.1 03/04/2022 - Fixed: Broken text editors 7.4.4 12/17/2021 - Improved: Connections now recover when Bluetooth is turned off and on again - Fixed: Time delta shows zero after new best lap (since v7.4.1) - Fixed: GoPro import may link the video file to a wrong time - Fixed: GoPro import problem with accelerometer and gyroscope data - Fixed: Zombie files may be left behind after importing - Fixed: Missing video file selection in Analysis screen 7.4.3 11/19/2021 - Added Bluetooth LE Monitor API for the RaceChrono DIY device - Fixed: Issues with standing starts - Fixed: Issues with reference laps - Fixed: Problem with multi-frame OBD-II responses - Fixed: Many other bugs 7.4.1 11/05/2021 - Added new CSV v3 export format with more elaborate column headers - Added export for Z1 Analyzer - Added battery level indicator for multiple different type of sensors - Added accelerometer and gyroscope data for GoPro sensor data import - Improved: VBO export column names - Improved: Nicer format for the solution in the Custom Channel Editor - Fixed: Inverted accelerometer readings to match other platforms - Fixed: Many bugs 7.3.0 07/12/2021

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Previous Versions

Here you can find the changelog of RaceChrono Pro since it was posted on our website on 2020-08-21 12:44:02. The latest version is 10.1.3 and it was updated on 2026-06-23 03:33:14. See below the changes in each version.

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