FastTrack USA vs TrackTimer

FastTrack USA brings your rides, victories and racing community together in one place. Build your presence around what you drive, what you've accomplished and the people who share the same passion. SHOW OFF YOUR RIDES Give your cars and bikes a place of their own. Showcase the rides that matter to you and make them part of your FastTrack profile. CELEBRATE YOUR VICTORIES Keep your racing wins together and share your achievements with the FastTrack community. FIND YOUR RACING CREW Discover fellow racers, explore profiles and connect with people across the community. FOLLOW THE COMMUNITY See rides, victories and activity from other members through your FastTrack feed. STAY CONNECTED Start conversations and message other FastTrack members directly inside the app. Whether you're racing, building, showing off your ride or following the scene, FastTrack gives your racing life a place to belong. Your rides. Your victories. Your community. Your FastTrack.

TrackTimer helps you measure acceleration between speed thresholds on closed courses using your iPhone's GPS and motion sensors. YOUR RUN JOURNAL • Follow personal bests, median times and progress in Insights. • Compare two runs using the same vehicle, speed range and sensor mode. • Review time differences and available recorded GPS speed traces. • Add notes and favorites; search and filter your saved runs. • Export the current result selection as a CSV file. Exports omit location coordinates and vehicle plates. MEASURE AND COMPARE • Time 0–100 km/h runs. • Compare GPS and sensor-fusion results side by side. • See GPS signal quality and live speed readings. • PRO unlocks 100–200 km/h and custom speed ranges. KEEP YOUR RESULTS Save measurement history, organize results by vehicle and review timing and available speed charts. Automatic saving and raw-speed recording can be managed in Settings. Charts require recorded speed data. OPTIONAL SHARING Sign in to share selected results on the public leaderboard. Review your vehicle photo and notes before sharing. Manage your account and account deletion in Settings. PRO Optional one-time in-app purchase. Current price and included features are shown before purchase. Restore purchases from the app using the Apple account used for purchase. CLOSED COURSES ONLY Set up and secure your phone before driving. Never interact with the device while driving. Use only on race tracks or private areas closed to traffic. Accuracy depends on device, GPS reception, mounting and measurement conditions. TrackTimer does not replace certified timing equipment. Support: https://mostuned.com/tracktimer/support/ Privacy: https://mostuned.com/tracktimer/privacy/