Continuous bugs that have not been resolved for several months, no updates, no replyes to email. Just look at the roadmap: Seodity 3 was released in June or so and is still on Planned. https://roadmap.seodity.com/t/roadmap.
They sell "unlimited projects" and after an year unlimited become 100.
Unprofessional. Even if they have financial difficulties (which is obvious), replying to emails and letting users know the situation (which is now obvious) does not cost anything.