Pretty close to perfect!
I read in way too many formats and was looking for somewhere to keep quotes and honestly this ticks pretty much all the boxes! It’s super customizable and easy to use. Couple things: Super minor, but I wish you could change page # to location for certain books (kindle doesn’t always provide page numbers). And I would definitely pay to be able to back it up to a cloud. Edit: I’m not sure if I’m doing it wrong, but changing tag colours can be a bit of a pain, really minor though!