> I've got to say, I really wish there were a way to know whether I already used Facebook, Google, or Apple to log into a site or app before. Bookwalker (from

> I've got to say, I really wish there were a way to know whether I already used Facebook, Google, or Apple to log into a site or app before. Bookwalker (from Japan) draws a big red box around the login you used last on a given device. Presumably they store a cookie/sharedpreferences with it. It doesn't look pretty, but it helps.