I want to love these things but the first one appears to be unfinished, and the second has hardware you have to assemble and then depends on an android app that

I want to love these things but the first one appears to be unfinished, and the second has hardware you have to assemble and then depends on an android app that appears to be quite flaky from the reviews. I would very much like a radio enabled encrypted communications system to complement Briar, but both of these look extremely iffy currently.