Harry's LapTimer Petrolhead vs Track Attack! Lap timer & maps

Harry's LapTimer is the advanced tool for car enthusiast. It records all types of sensor data provided by your iPhone/iPod/iPad (or external sensors), combines them, and makes them available to optimize your drive. Over time, you will get insights on your car and in your driving, not known before. LapTimer offers more than 1300 predefined tracks world wide. With its assistants, it is extremely easy to setup - just click your track and drive. It fully automates your lap timing using GPS, and presents the results to all kinds of media. You are not limited to track driving only. For example, you may define your home and working locations as a 'track', collect statistics on different ways chosen, and analyze / optimize the time used every day. Want to show your drive to your friends? LapTimer Petrolhead and above generates beautiful in car video recordings with all kinds of data overlaid, ready to be presented - e.g. on youtube. Even without video, recorded data can be analyzed using purpose designed views, making it easy to analyze and improve your driving performance. Using online racing, you can use LapTimer in competition. LapTimer offers a Hall of Fame, allows watching you and your friends on track - all in real time. Compare your sector times, braking / acceleration points, and learn from each other. You can start with your plain iPhone in the beginning and add external GPS and OBD II sensors later, step by step, and as you need it. LapTimer itself comes in three different editions: LapTimer Rookie is the entry level with all you need for lap timing; LapTimer Petrolhead is the advanced version including lots of video features, and LapTimer Grand Prix is the edition for professionals including Multi Cam recording, Health Kit integration, and advanced sensor and analytics functionality. Please note that functionality depends on your device, the LapTimer edition chosen, and sometimes even external sensors added (like OBD II). Please visit our web page to get the full story. All edition can be upgraded later, all editions come with native iPhone and iPad support. There are quite expensive stand alone solutions for track days available. Be smart and own the leading edge tool simply by using your iPhone and LapTimer. Besides the professional area, there is no known solution that offers more functionality than LapTimer does - across the market. As our ambition is to offer the best tool, LapTimer is enhanced continuously. Please visit http://www.gps-laptimer.de for detailed information on versions, FAQs / documentation, in depth technology background information, online racing, and supported device configurations. Join our user community on http://www.gps-laptimer-forum.de to be involved in future development - all with first class support.

GPS lap timer, video recorder, and driving telemetry in one simple app. Record laps, analyze performance, and instantly share videos with data overlays, ghost laps, and lap battles with friends. Unlike traditional lap timers, Track Attack makes video, telemetry, and sharing effortless in one polished app. No syncing, no external tools, no setup. Built for track days, racing, autocross, and canyon drives. Start recording in seconds: no accounts, no setup, just hit record and drive. GPS lap timer and driving analysis • Turn your phone into a high-precision GPS lap timer with real-time driving data • Accurate GPS lap timer for track days, racing, autocross, and hill climbs • Live delta tracking to see where you’re gaining or losing time • Sector times with grid view and HUD display inspired by Formula-style racing • CarPlay support with live lap times, delta, and critical driving data • Create, name, and share custom tracks and circuits in seconds • Heart rate and fatigue tracking to understand driver performance NEW: Ghost laps and lap battles • Compare laps side-by-side with dual video, telemetry overlays, and 2D/3D maps • Ghost laps: race against your best lap like a video game • Lap battles: compare sessions with friends and see who’s faster • Share sessions via AirDrop, link, or message, then export videos for social • Multi-driver and multi-car profiles • Detailed stats organized by driver, car, track or road, and time period Capture and relive every session • Record dual camera video (front + rear) with picture-in-picture • Import and sync external video (GoPro, DJI, Insta360, Meta smartglasses, and more) • Export full sessions or highlights • Social-ready portrait video for Instagram, TikTok, and YouTube Shorts • Add maps, ghost laps, or lap battles with dual video and overlays • Customize overlays: select from lap time, delta time, sectors, speed, RPM, throttle, GPS, heart rate, and more • Advanced camera stabilization and adjustable focus lock • Videos save directly to Photos for instant sharing Sensors, OBD, and external GPS • OBD BLE support for RPM, throttle, wheel speed, boost pressure, temperatures, and more (not all vehicles support all values) • Brake meter (requires OBD) to analyze threshold braking and trail braking • Capture full sensor data from your device (accelerometer, gyroscope, and more) • External Bluetooth GPS up to 25 Hz (RaceBox Mini, Mini S, Micro) for high-precision GPS and IMU tracking and analysis. Use code TRACKATTACK15 for 15% off RaceBox devices • Improved sensor reliability and failure handling • Access and export raw session data for deeper analysis, then share instantly via AirDrop, email, or message Routes and navigation (road driving) • Plan, create, and drive routes with unlimited waypoints • Perfect for canyon drives, road trips, and scouting new driving routes. • CarPlay support for navigation, recording, and live driving data • Capture video and data as you drive • Create routes by searching or tapping directly on the map • Create, name, and share routes • Clear waypoint info with icons, ETA, and live weather for better route planning and navigation • Optimized for cars and motorcycles (portrait and landscape layout supported) Apple Watch and Health • Apple Watch app with heart rate and calorie tracking per lap, session, and track • Health integration saves driving and racing workouts for deeper analysis Trusted by enthusiasts Trusted by the Porsche Club of America and thousands of performance driving enthusiasts worldwide. Track Attack free edition has a 25-minute recording limit per session and up to 10 sessions. External video import and sync are not included. Track Attack Pro removes all limits, unlocks external video sync, and enables more frequent live weather updates for improved on-road accuracy. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/