Google Play 
App StoreEditor's Review
RaceChrono Pro is the ultimate tool for motorsports enthusiasts looking to gain a competitive edge! 🏎️💨 This app transforms your smartphone into a powerful lap timer, data logger, and data analysis system, replacing traditional, expensive hardware. With over 100,000 active users, RaceChrono has a strong following among both amateur and professional racers. You'll likely spot it in the pits at any race or track day!
This app isn't just for casual racers; factory test drivers and race driving instructors rely on RaceChrono Pro for its accuracy and comprehensive data analysis. Whether you're into motorbikes, go-karts, or cars, and whether you're racing on closed circuits or special stage tracks, RaceChrono Pro is designed to meet your needs. 🌟
Key features include precise lap timing with sector analysis, allowing you to pinpoint areas for improvement. The app boasts a track library of over 2600 pre-made race tracks, saving you time and effort. 🗺️ You can also define your own custom circuits and point-to-point tracks. Dive deep into your performance with smooth data analysis, featuring synchronized graphs, X/Y graphs, maps, and video integration. Compare your performance across sessions with ease! 📊
RaceChrono Pro also offers predictive lap timing and a time delta graph, giving you real-time insights into your performance relative to your best lap. Record videos using your internal camera or link and synchronize footage from almost any action camera. Export your videos with configurable data overlays to create stunning visuals of your track sessions! 🎥 The app supports external GPS receivers like RaceBox Mini/Mini S and Qstarz BL-818GT, as well as OBD-II readers for accessing vehicle data. You can even monitor your heart rate with Bluetooth LE heart rate monitors! ❤️ With unlimited session length, RaceChrono Pro is perfect for endurance races. Export your session data in various formats, including .ODS, .NMEA, .VBO, and .CSV, for further analysis. 📈
Features
Lap timing with sectors and optimal lap
Track library of over 2600 race tracks
Custom user-defined circuit tracks
Data analysis with synchronized graph and video
Predictive lap timing and time delta graph
Video export with configurable data overlay
Multiple camera recording
Support for external GPS receivers
Support for OBD-II readers
Bluetooth LE heart rate monitor support
Pros
Precise lap timing with sector analysis
Extensive track library for convenience
Detailed data analysis with synchronized graphs
Predictive lap timing for performance improvement
Hardware-accelerated video export with data overlay
Supports multiple camera recording
Compatible with external GPS and OBD-II readers
Cons
Requires compatible external hardware for full functionality
Advanced features may have a learning curve
