Bubble, as a platform, provides a lot of pre-built frameworks for projects, making it a great option for users who are not looking to start from a blank canvas. This allows for swift creation without relying too much on visual composers or CSS style elements. It is a fairly young platform that shows a lot of promise with diverse capabilities, the lack of maturity is evident when community and plugins are scrutinized. Yet, it offers great customization options for decentralized Web3 applications, as such apps tend to be quite complex. There is also a robust decentralized community that offers support to users through a Discord chat 

Bildr, on the other hand, is a more established platform with a lively community and numerous extensions, plugin support, and additional functionalities. It follows a specific workflow that requires knowledge of databases and actions you can take with them. This means it is more geared toward individuals with coding and CSS experience. The platform...