SpeedBoom - With Turbo Sound

SpeedBoom turns your phone into a GPS speedometer with a turbo attitude. Shake the phone and hear the blow-off valve, just like a tuned car. The speedometer is free. Everything else below is part of SpeedBoom Pro, and every new install gets all of it free for the first 7 days. SHAKE FOR BLOW-OFF • Blow-off, pops and fun sound effects when you shake the phone • Gear Shift mode: plays when you lift off the throttle while driving • Virtual Shift mode: simulates gear shifts from your speed, great for automatics and EVs • Adjustable sensitivity ENGINE SOUNDS • Engine sounds recorded from real cars that rev with your GPS speed through a virtual 6-speed gearbox • Tuned engines: Turbo I4, Turbo I6, Muscle V8 and Boxer, with turbo whistle, pops and a rev limiter • Electric & Fun: Starship, a real jet engine, E-Motor and a galloping horse that speeds up with you. Other effects pause in this mode. • Hold REV to rev the engine while parked PERFORMANCE • 0-60 mph / 0-100 km/h timer that starts on its own when you launch • Live G-force meter with acceleration, braking and cornering peaks • Share your time as an image DRIVING TOOLS • Speed alert: a chime when you go over your limit • Windshield HUD: a mirrored speed you read in the windshield reflection at night • Live Activity: your speed on the Lock Screen and in the Dynamic Island • Home Screen widget with your top speed and best 0-60 • Siri and Shortcuts: "Show my SpeedBoom records", "Open HUD in SpeedBoom" • Speed chart, map, distance and max speed DRIVE HISTORY • Drives are recorded automatically, no need to press start • Your route on the map, colored by speed • Distance, duration, max and average speed and 0-60 runs for every drive SPEEDBOOM PRO Everything is open for the first 7 days. After that the speedometer stays free, and SpeedBoom Pro unlocks the rest: blow-off and engine sounds, Electric & Fun sounds, 0-60 timer and G-force meter, speed alert, HUD, Live Activity, widget, Siri and drive history. Choose monthly, yearly, or once for good. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Payment is charged to your Apple Account; manage or cancel your subscription in your App Store account settings. Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.serccan.com/speedboom DRIVE SAFELY Don't use your phone while driving. Mount it before you set off or hand it to a passenger. Always follow speed limits and traffic laws; time your runs only where it's safe and legal, such as a closed track. Speed and G-force come from your phone's GPS and motion sensors and are approximate.