Best Harry's Laptimer Petrolhead Apps

VBOX Laptimer

by Racelogic

Free

This app provides accurate lap times and predictive lap times for vehicles using internal GPS or a high-accuracy VBOX Sport receiver. It offers features like auto-track selection, custom circuit creation, and data saving for analysis.

Harry's GPS/OBD Buddy

by Harald Schlangmann

Free

This app functions as a trip computer and GPS/OBD data monitor, recording travel details and calculating speeds. It offers advanced GPS and OBD sensor support for a detailed view of your journey and vehicle performance.

dragy·Lap - New GPS Lap Timer

Lap Timing, Overlay & Analysis

Free

This app acts as a next-generation GPS lap timer, compatible with various Dragy devices. It offers real-time predictive lap timing, dual-camera video recording with data overlays, and detailed analysis tools. Compete on leaderboards and share your best laps instantly.

ROUSH Lap Timer

by Harald Schlangmann

$27.99

Record and analyze your vehicle's performance on the track. This app generates in-car video with data overlays and allows for detailed performance analysis to help improve your driving.

dragy Connect

by Harbin Qirui Technology Company With Limited Liability.

Free

This GPS-based performance meter allows users to track various acceleration metrics like 0-60mph and 1/4 mile times. It enables sharing performance data on leaderboards and videos with real-time overlays. A dedicated hardware device is required for testing.

PGEAR

A Powerful Performance Gear

Free

This platform allows users to measure vehicle performance metrics like 0-100km/h and lap times using a connected GPS device. Compare your results with others on a global leaderboard and contribute to a community of motorsport enthusiasts.

Jetting for Honda CR 2T

Max performance for your CR

$2.99

Optimize your 2-stroke Honda CR motorcycle's carburetor performance. Input weather and engine details to receive precise jetting recommendations for improved power and adaptability to changing conditions.

MultiLapTimer

by Yuji Yanase

Free

This utility app allows simultaneous tracking of lap times for up to four racers. It features simple pull-and-release functionality for recording laps and supports Bluetooth Smart button devices for enhanced control.

Platinum Racing Products

by Platinum RP PTY LTD

Free

Discover high-performance electronic and billet parts for race and modified street vehicles. Offers plug-and-play kits with installation guides and customer support. Explore a wide range of over 150 products in 12 anodized colors.

E-Zero - Pure Petrol Finder

by Rajat Srivastava

Free

Find stations selling zero-ethanol petrol for older vehicles. Displays nearby E0 pumps, driving directions, and station details like opening hours and contact information. Works offline and prioritizes user privacy.

Jetting for Honda CRF 4T bikes

SX, MX, off-road race bikes

$2.99

Optimize your 2-stroke Honda CRF motorcycle's carburetor settings for peak performance. Input weather and engine data to receive precise jetting recommendations for various models and years.

RaceChrono Pro

by RaceChrono Oy

$19.99

This app serves as a comprehensive lap timer and data logger for motorsports, enabling users to record and analyze performance. It offers video recording with data overlays and supports a wide range of external GPS and OBD-II devices for enhanced accuracy.

Daytona - Datatec

Accelerator response 0-3 lavel

Free

Enhance your vehicle's acceleration with adjustable throttle response. This utility offers three levels of adjustment without altering engine components, suitable for both gasoline and diesel engines. Experience a more responsive and enjoyable drive.

2T OilMixer

An easy to use oil ratio calc

$0.99

Easily calculate the correct oil-to-fuel ratio for your engine to prevent emissions and spark plug fouling. Adjust amounts precisely using sliders and buttons, and switch between metric and imperial units.