RaceChrono Pro vs Mychron Telemetry

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

Mychron Telemetry turns your phone into a lap timer and racing companion for karting, track days, and closed-circuit sessions—without a steep learning curve. Start a session in seconds, let GPS detect your start/finish, and focus on driving while the app counts laps, tracks your best time, and shows a clear delta against your session best. Why drivers choose it • Fast setup: One tap to begin; optional track sketch on the map when you need a defined circuit. • Automatic lap timing: Crossing the line starts the clock; your lap list, best lap, and sectors stay organized. • Live session view: Follow current lap, best lap, speed context, and a simple track map while you’re on track. • Leaderboards: Compare yourself on saved tracks with filters for kart, car, and bike—daily, weekly, or overall. • Progressive depth: Start with pure lap times and rankings; grow into comparisons and insights as you improve. Who it’s for Weekend karters, track-day enthusiasts, riders on technical circuits, and anyone who wants consistent lap data without carrying extra hardware first. Privacy & data Designed so your sessions stay useful to you first—share when you want, keep detail when you don’t. Requirements GPS works best with a clear view of the sky. Lap accuracy depends on GPS quality and how precisely your start/finish is defined. Download Mychron Telemetry, hit start, and turn every outing into measurable progress.