Lap Legend
Motorsports Timing & Analysis
Free
Next-Generation Motorsports Lap Timing and Data Acquisition
Use your phone or tablet to record race track laps, autocross runs, 1/4 mile passes, and more! Provides live timing, data and video acquisition, and advanced data analysis.
• Easy to Setup and Start Driving
• Superior Data Acquisition & Analysis
• GPS Lap Timing with Predictive and Target Times
• Supports DauntlessOBD for High-Performance Vehicle Data
• Advanced Data Analysis Tools to Find You More Time on Track
• Video & Data Replay of Your Theoretical Best Lap
• 2000+ Included Track Configurations
• Road Course, Circle Track, Autocross, Rally, Drift, and Drag Racing
• Weather Data with Density Altitude and Correction Factor Calculations
This app is intended only for sanctioned motorsports and track events. Always drive safely. Use at your own risk.
Any telemetry or messaging features are not guaranteed, and must not be relied upon for critical or safety uses.
Please see website or in-app information for details on compatible external hardware.
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
- Support for Qstarz BL-818GT and BL-1000GT BLE GPS"
- Reduced battery use and heat when using external GPS
- Share best lap graphic with friends & followers
- Added Sustained G-Force data
- Improved braking data calculation
- Fixed missing DOBD data if connected before engine started
- Tire pressures in session stats (on vehicles with supported TPMS data)
- Data chart improvements
- Map line rendering improvements
- User Interface refinements
- Added device firmware updater
- Fixed session file import
- Internal improvements
The developer, Dauntless Devices LLC, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Linked to You
The following data may be collected but it is not linked to your identity:
- Location
- User Content
- Identifiers
- Usage Data
- Diagnostics
- Other Data
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Provider
- Dauntless Devices LLC
- Size
- 12.1 MB
- Category
- Sports
- Compatibility
Requires iOS 16 or later.
- iPhone
Requires iOS 16 or later. - iPad
Requires iPadOS 16 or later. - iPod touch
Requires iOS 16 or later.
- Languages
- English
- Age Rating
4+
- 4+
- Copyright
- © 2026 Dauntless Devices LLC