Time laps, compare runs and put your telemetry on video. Connect a supported GPS receiver for greater precision. Built for track days and drag strips.
Time your laps. Measure acceleration. See where you can improve. RaceBuddy brings lap timing, drag results, performance analysis and video overlays together for closed-course driving.
LAP TIMING AND ANALYSIS
• Record lap times and sector splits on circuits worldwide.
• Follow live delta timing and compare laps to find where time is gained or lost.
• Review your racing line, speed and session history.
DRAG AND ACCELERATION
• Measure 0–100 km/h, 0–60 mph, quarter-mile and rolling acceleration.
• Review run graphs, slope and conditions alongside your results.
• Compare runs and follow DIFF time or predicted quarter-mile ET with PRO and compatible external GPS.
VIDEO WITH YOUR DATA
• Record driving video and export it with synchronized telemetry.
• Show speed, lap times, G-forces and track position.
• PRO adds custom layouts, portrait output and export up to 4K.
POWER AND ENGINE DATA
• Estimate power and torque from a GPS run with PRO. Results depend on measurement conditions and vehicle settings.
• Record supported OBD-II channels, such as RPM and throttle, with PRO and a compatible adapter.
• Keep vehicle profiles and compare your performance over time.
CHOOSE YOUR GPS SOURCE
RaceBuddy ONE, Dragy, Dragy Pro, RaceBox Mini, Mini S, Micro, RaceBox.cc and RaceHF are supported. An external GPS receiver is recommended for greater timing precision.
Phone Mode is also available using your iPhone’s GPS and sensors. Its timing precision is limited. DIFF time and predicted ET require compatible external GPS.
FREE AND PRO
Free includes Phone Mode, connection to RaceBuddy ONE, lap and drag timing, session history, VBO export and 1080p landscape video overlay export, subject to the GPS-source limitations above.
PRO adds third-party GPS connections, run and lap comparison, Power & Torque, OBD telemetry, advanced video layouts and export options, and custom track creation. A compatible GPS receiver or OBD adapter is required for the corresponding hardware features.
PRO is available as a monthly or yearly subscription, or a one-time Lifetime purchase. See the app for current offers and terms.
For closed-course use only: circuits, drag strips and autocross courses. Not for street racing.
Terms of use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
This app has not received enough ratings or reviews to display an overview.
• Improved Phone Mode readiness and speed display. Phone GPS timing remains approximate; use compatible external GPS for higher precision.
• More control over video imports, trimming and telemetry overlays.
• Improved vehicle syncing, history filters and saved run comments.
• Layout and stability improvements for iPhone Duo.
Version 3.3.5
The developer, Imperio, 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:
Usage Data
Privacy practices may vary based, for example, on the features you use or your age. Learn More
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
