I do something similar, but the solution instead of `Aa$1` is to use the output to produce a shorter password with those properties [1]. Makes it a little easier to type in.

I also keep a list of the "domains" along with plaintext comments for each of them (username, email I used, etc) that are not strictly required (so still portable) but just make it a little more useful when it's synced.

The big downside I've found is lack of apps. Sure it would run on any phone, but I haven't managed to get it to run on the phones conveniently. So if I'm without a laptop right now for the most part I'm locked out.

[1] https://github.com/passwordly/passwordly-python/blob/master/...