ShareTrails - live tracking

This free app helps locate and track your friends or family members anywhere, especially good on the field such as skiing, snowboarding or mountain biking. The unique trail feature makes it a lot quicker to locate your buddies in a complex terrain, and much easier to operate even wearing ski or bike gloves.

It's designed with privacy in mind and only stores a scrambled hash instead of email as identifier, and you are encouraged to replace your name with emojis to make it both private and easy-to-recognize by your friends on the map.

You must confirm via QR code before being able to track each other, and the data will be removed from both of your devices once unfriended.