Find cell phone coverage and set up contact alerts with Cairn

AppAdvice
By Sandy StachowiakDec 11, 2015, 10:48 am344 pts
If you are headed to a spot in the great outdoors, safety is important. Whether you are hiking on a trail in Yellowstone National Park or near Mount Rainier, it is likely that you are wondering what the cell phone service is like in case there is an emergency. An app called Cairn can not only show you coverage…

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