My follower list does similar. It will say 5, but when I click to look, all are there. Never had the unfollow thing happen, but I have seen other posts of people saying it was happening to them. For me, whatever the odd behavior is, it happens across clients (I bounce between Iris, Snort, Primal & Coracle). While I don't use it much because I try to not be staring into my phone all day, Amethyst seems to work almost flawlessly. The only client, web or mobile, that I've tried that doesn't act wierd