What it does
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Live speedometer
Connects over Bluetooth and shows each car's speed in real time on an animated gauge.
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Race mode
Time multi-lap races and see results, lap splits, and the fastest pass.
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Garage
Each car is recognized by its id chip; give it a nickname and track its personal bests.
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History
Every run is saved on-device so you can revisit past sessions and speeds.
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Achievements
Unlock milestones as you race, hit top speeds, and grow your garage.
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Yours to share
Share a race result or session summary, and switch between mph and km/h with custom calibration.
Privacy first
Redline ID has no account, no analytics, no ads, and makes no network requests. Bluetooth is used only to talk to the race portal. Everything the app saves — your garage, history, achievements, and settings — stays on your device and is never sent anywhere.
Read the full privacy policy →