so it's a note taking app that lacks any of the privacy features? Wordpress too lets me safe drafts and leaves it up to me whether I ever publish them. I wouldn't call wordpress a "note taking app". it's not a note-taking app if it sends everything to your servers. And it's a shame there is not a single word on security/privacy: how is data protected at rest? your password hashes salted? what is saved client-side vs server-side? where is the security.txt or contact info? what is your data storage policy, cookies, gdpr etc?
you offer a premium package yet there is no info on any of the above? Security/privacy concerns aside you extract money yet haven't even got a vision on how to grow this (no business plan)
... I'd give this a hard pass since it seems to be just another hobby project where everything depends on a single dev but the product ultimately doesn't have a vision. (not that this would be bad - but the fact that there is no clear statement on it _while_ extracting payment leaves a first impression that is fishy, questionable and unprofessional)