I've just noticed that the linked iOS app -- https://github.com/rephorm/pass-ios#readme -- is no longer there. Not sure if it has a new home somewhere else.

Hm, looks like the developer didn't have time to maintain it. Hardly any commits to github recently.

Yeah, that's the gripe i have with pass - while it's probably safe(ish) to use, it's far from being as user friendly as lastpass.