When to user controller vs service?

[obrunsmann]

Hello guys :)

So there is a technical difference between controller and service, and I am not quite sure, which to use when? Personally, I do it something like that:

Service:
For global things like an IapService, TrackingService (event tracking abstraction), DatabaseService, LocalSettingsService and so on.

Controller:
Feeding views with data and controlling business logic of specific views. Like an ProfileController which gets injected opening my profile.

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But then, there are several cases where I start to mix this up. Like on a global AuthService which could also be an AuthController.

Besides the personal architecture, are there any recommendation when to extend which class?

Regards :)