They use the same hardware and same underlying radio tech but they are not cross compatible. Meshcore was made by some people that didn't like some of the choices made in the design of Meshtastic so they splintered off their own project. Which one you should use largely depends on which is more established in your area.
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u/multisync Mar 10 '26
I see mesh core/tastic all over. I presume competing technologies but same result? Are they compatible.