TeverunBattery vs eSpeed

It can be used to check the battery status of the and conduct wireless upgrade

eSpeed turns your iPhone into a focused GPS speedometer for cycling, e-bikes, and everyday rides. See your live speed in a clean, readable dial designed to stay easy to check at a glance. Choose a modern or classic dial, switch between km/h and mph, and enable landscape mode when your phone is mounted on the handlebar. When you want to keep the ride, start a track manually from the home screen. eSpeed records the route during the active ride, then saves it locally when you finish. Browse past rides with distance, duration, average speed, maximum speed, a route map, and a time-based speed chart. Export a ride as a GPX file and a route snapshot. Features: • Live GPS speed display • Modern and classic dial styles • km/h and mph support • Optional landscape layout for handlebar mounts • Manual ride tracking with pause and finish controls • Local ride history with map and speed chart • GPX and route snapshot export • No account required Location is used while the app is active to calculate and display speed and record a ride you start. Ride data is kept on your device.