What is the difference between flow and APEX?

Could you please explain the key differences between Flow and APEX? I understand they are both blockchain-based platforms, but I'm curious about their unique features, use cases, and how they differ from each other. Additionally, could you elaborate on their consensus mechanisms, token economics, and any notable partnerships or collaborations they may have? It would be helpful to gain a clearer understanding of how they each fit into the broader cryptocurrency and finance landscape.