Free ios Bike app. Free Strava export NO advertising! NO data is collected by us SIM card not needed. Home Trainer mode available Simple yet powerful. Low battery usage. Support metric (km/h) and imperial (mph, feet) Automatic pause Press more than one second the screen where you want to display a data. Can display : - Instant speed, avg speed, max speed - Vertical speed (VAM), max vertical speed - % climbing, max % climbing, total ascent - Current elevation, max elevation - Time of the day, time spent on the bike - Distance - GPS accuracy (Jendela will start the ride only if accuracy is 25m or below). With Bluetooth Low Energy sensors can display: - Speed, distance , cadence, heart rate even power meter! - Choose to have 6, 8 or 10 data on the screen Training efficiently using Heart Rate or Power zones by simply looking at the colour of the screen (white, blue, green, yellow, red or black). Swipe right to access to training screen Double tap with one finger on the screen to get a darker screen and save battery and back to normal screen. Double tap with TWO fingers on the screen to stop the ride and upload it to Strava. Does not need Strava app