All finances in one app

If you invest in cryptocurrency, you must be aware of how difficult it is to manage your finances when everything is in different applications or different crypto wallets. I'd like to find a single solution so as not to waste time at least switching between different apps.

How did it happen that you have several crypto wallets? Or rather, I mean that I was always sure that you buy cryptocurrency and store it using one crypto wallet. Anyway, if you could explain it would be cool, because apparently I don't quite understand what you mean.