【實用健康app】Back-Apping|最夯免費app-綠色工廠好玩App

App Description: Trek through the wilderness with precision and peace of mind with Back-Apping for iPhone and iPod Touch. Features: - Hike with comfort knowing you have the Emergency Help System. - Make sure you have everything that you need with the Gear Checklist. - Plot your progress with the Trail Charting reference map. - Stay one step ahead of Mother Nature with live Weather.Emergency Help System - Send out alert messages to family, friends, or the public. - Supports Twitter and Facebook. - Includes default message consisting of “Help!” message and the user’s current latitude and longitude position.Note: Features require a data connection of some kind. Plan trips carefully with this in mind.This app allows GPS to run in the background. Continued use of GPS running in the background can dramatically decrease battery life. This app was designed and developed by Tommy Arnzen.