So I may have just solved a little problem I've had since the beginning. My wife has been on a few trips with me, but has always been reluctant come time to call it a night. It's dark, cold and lonely all by yourself in a hammock...I get it. I thought about walkie-talkies, but didn't like to have to carry extra equipment. But then I ran across an app that runs on IOS & Android that allows texting without a data or Internet connection!
It's called Firechat https://www.pcmag.com/article2/0,2817,2470887,00.asp, I have not tested it in the woods yet but it has worked just fine in airplane mode. If it really works as advertised, it could be very useful.
Maybe others have used it or similar?
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