Firstly, apps and tools can't replace interpersonal or business processes. They can only support them.
Secondly, projects and service delivery are not really the same things. Non-collaborative processes rarely work for the former, but can sometimes work for the latter.
If you genuinely don't need any intra-team coordination for your ...
Unless people work in complete isolation, having a daily meeting:
increases team collaboration and communication
you can plan things together instead of later discovering people might have went in different directions
related to the previous point, it helps anticipates potential issues or identify impediments
encourages people to ask for help when needed ...
This is a classic role for a project manager, that of managing changes.
First of all, I suggest you create a change management process with some steps that will allow you to asses the impact this has on the current work or the project going forward. The article I linked to makes a good job of detailing such steps, so I won't go into further details here.