If you've ever felt threatened walking home late at night, chances are you've phoned a loved one to make sure they know you're safe.

如果你深夜步行回家时感到害怕，你极有可能向你爱的人打电话，向他们报平安。

But making calls not only makes your phone a target for thieves, it can also distract you from your surroundings, putting you at greater risk.

但是打电话不仅会暴露手机成为小偷的目标，还会分散你对周围环境的注意力，将自己置于更危险的境地。

Now there's an app that lets your family or friends track your journey and will call for help automatically if it senses you're in trouble.

现在有一款应用能让家人或朋友了解你的旅途足迹，当感应到你遇到危险时，自动求救。

 

 

Called Companion, the main feature that distinguishes it from other tracking and GPS apps, such as Apple's Find My Friends, is its 'Are you OK?' button.

这款应用名为“同伴(Companion)。该应用的主要特色“你还好吗?(“Are you OK?)按钮使它与其他行迹和GPS应用不同。

Before setting off on a journey, users input their starting point, their destination and a designated 'companion'.

出发前，用户输入出发点和终点，然后授权一位“同伴。

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