This app use GPS service to give you accurately information. Please note that continued use of GPS running in the background can dramatically decrease battery life. If you want to save battery life, please stop the use of GPS service from the settings. - Caution This app needs network connections. This app needs location services. This app can be worked above iOS7.1. This app needs the step count function of the device. If your device does not have the function, you can not record your steps automatically. Instead, you can use this app for steps logger by entering your steps manually.