While I have a work iPhone 12 so I use both iOS and Android daily, I do actually prefer the Android ecosystem, plus iOS being locked down in terms of installing third party apps is a disqualifier for my personal device. Also bugbears like the headphone jack, though I might be out of luck there in Android in another device rotation.
The up-front cost and setup time is a stiff investment, but I’m much easier in mind now.
The other side of the coin is my wife’s gmail, which is going to be deleted come May. So... we gotta figure that out.
Yes, NextCloud and Owncloud both integrate with OnlyOffice Community Edition[0][1] which supports collaborative editing of text documents, spreadsheets, and presentations.
My collab needs are pretty light, I only work with a few family and friends, but I haven’t run into anything I wanted to do in Synology that I couldn’t.