Bike CycloComputer HUD is the best solution for getting info of your ride. This app gives you all the data you need to know exactly how you are performing your training. Bike CycloComputer HUD gives you a plethora of high precision instruments, especially designed for getting the most of your bike: Compass, Elapsed Time, Distance, Analog Clock, Digital Clock, Pace, Speed, Average Speed, Inclination, Lattitude, Longitude, Altimeter, Course, and GPS Signal power in a simple and beauty app that will be the perfect companion for you in your daily training. Those instruments have been callibrated specially for using with bikes and motorcycles so that you never miss again any valuable information. MAIN FEATURES: Ultra high precision instrumets Callibration made for bikes and motorcycles 60 frames per second animation Accurate calculations Automatic zoom enabled map. Keeps you always centered on the map Keep tracks of your rides TECHNICAL FEATURES High precision GPS Nice Start/Stop sounds Beauty Retina Display graphics Autozoom English and Metric units settings Multitasking ON/OFF setting to save battery Automatic and Manual navigation modes INSTRUMENTS Compass Elapsed Time Distance Analog Clock Digital Clock Pace Speed Average Speed Inclination Lattitude Longitude Altimeter Course GPS Signal power NOTES If you don't get speed or distance: look at privacy options on your device settings, look for gps, location, ... for both all apps and this concrete app. All must be on To calibrate sensors on the app (must be stopped). Put the iphone on the bike, double tap on the inclinometer, and calibrate (auto) BCH is compatible with apps like Runkeeper and Runtastic. To make that just start any of those great apps, then press home key on the iPhone and start BCH. All your progress will be logged on the background app while you have a great HUD to help you in your ride. PLEASE NOTE: For using this app, you must have a GPS and compass equipped device, such as an iPhone 3GS or an iPhone 4. This application is NOT RECOMMENDED FOR IPOD TOUCH, NON-3G IPAD OR 1ST GENERATION IPHONE devices due to their limited hardware capabilities. NOTICE: Continued use of GPS running in the background can dramatically decrease battery life.