Most people have phones. Technically, they don’t need a third party to talk to each other. It seemed like there should be a communication option that took advantage of that.
Thus, Tin-Can: https://apps.apple.com/us/app/tin-can/id1435356247
In short, TC is a one-to-many messaging app that has no central service. Proximate phones use BLE to sync.
My mom is headed to high ground in FL atm due to Eta.. I think it’d be useful if phones could all do this natively.
FWIW, I just got it on iOS, and updates like replies are forthcoming. But feedback is appreciated if you try it out. I’ll do a show HN once a few features are completed and bugs squashed.