... It's time to move on to another (preferably paid and stable) hosting service if you really care about what you're doing.
Data is priceless and all work of legitimately registered users should be respected. I understand that every free hosting platform would one day turn into, or at least recommend you to, the paid plans of their service. However, these platforms know the business, on how to make their free service more accessible to more people and prove that how reliable they are.
Sadly someone just proved that they can update ToS at anytime and go with their new rules immediately and throw out user's data as they want. Seriously, if you are looking for a serious setup of your web app, it's time to move on.