Dji Action2 should be support!
Plz support Dji Action 2, it’s a very nice cam.
obd突然被禁用？
今天打开发现很多obd都被禁用了？啥原因啊？
不知道怎么样弄出赛道全貌
花钱用了一天的专业版，感觉不错
About
This app is designed for track driving enthusiasts, offering advanced lap timing and performance analysis. It provides detailed data, video recording with overlays, and online competition features to enhance your driving experience and improve your skills.
✓Lap timing and data recording
✓Performance analysis with charts and graphs
✓In-car video recording with data overlays
✓Online competition and leaderboards
✓Route optimization for daily commutes
✓Support for external GPS and OBD II sensors
Show original description
What's New in Harry's LapTimer To Go
25.1.0
June 25, 2026
User Interface - fixed dragging POIs in Map - added option to scroll buttons in case available buttons do not fit screen width - fixed misplaced sector indicator in Timer View CarPlay - fixed crash when app is started from CarPlay - fixed negative height display in CarPlay Sensor support - added support for Haze GNSS sensors - added OBD support for Hybrid battery SoC plus tank gadget allowing to toggle between tank and battery level - added heading support for NMEA sensors w/o RMC (like Columbus) - fixed a scripting error in RaceboxMini sensor implementation - made hundreds seconds handling for Racebox Mini more robust - fixed a bug in CSV headers
MoreUser reviews
Developer apps
FAQ
What is Harry's LapTimer To Go?
Harry's LapTimer To Go is a free version of the app that offers similar features to the Petrolhead edition. It allows you to unlock premium features for a day through in-app purchases, making it ideal for occasional track users.
Does Harry's LapTimer To Go have ads?
No, Harry's LapTimer To Go does not contain advertisements. The app is free to download and offers optional in-app purchases to unlock advanced features.
What devices is Harry's LapTimer To Go compatible with?
Harry's LapTimer To Go is compatible with iPhone, iPad, and iPod. It also supports Apple Watch for on-the-go data access.
How accurate is the timing in Harry's LapTimer To Go?
The app's accuracy depends on your device's sensors. For enhanced precision, you can connect external GPS devices with higher frequencies (e.g., 5 Hz) or OBD II sensors.
Can I use Harry's LapTimer To Go offline?
Yes, the core lap timing and data recording features of Harry's LapTimer To Go can be used offline. However, online competition and video uploading features require an internet connection.
What are the different versions of Harry's LapTimer?
Harry's LapTimer comes in three main versions: Rookie (basic timing and data), Petrolhead (video features), and GrandPrix (advanced features and professional sensor support). The To Go version offers a free entry point with daily premium unlocks.
How often is Harry's LapTimer updated?
The app was last updated on June 25, 2026, indicating a commitment to ongoing development and improvements. Users can expect regular updates to maintain its leading position in the market.
What is the age rating for Harry's LapTimer To Go?
Harry's LapTimer To Go has an age rating of 4+. This indicates it is suitable for a wide range of users, including younger individuals interested in automotive applications.