How do I connect people's accounts to services like Google Calendar without making them create a Google Cloud account?

I use make.com for the vast majority of my clients; it’s simple—just connect the account, click a button, and you’re done. For Google Calendar specifically, you don’t need to go through the full process of connecting a calendar to see events. If your goal is just to view events on a calendar, you can share that calendar with another calendar in the same organization, and the other calendar will see all events (and sometimes edit them) without needing the client’s Google Calendar. Instead, you can share your own Google Calendar, handling all the Google Cloud setup yourself. If that doesn’t work for your app, note that self‑hosted n8n will encounter more issues than cloud‑hosted n8n, requiring more frequent Google Cloud account handling. Cloud‑hosted n8n has built‑in direct OAuth integrations, making it easier (though slightly more costly). Overall, I think your mobile app idea is awesome and could be very valuable; just consider whether you can realistically invest the time and energy without immediate return, as SaaS apps often require that, whereas a service business lets you earn while you build, then later productize the solution.