There are many ways to do it differently. If you switch off notifications, it doesn't matter where you installed the apps, and for the most of time, you don't need bloody notifications except if you are paramedic or work in nuclear plant maintenance team.

What you get by delaying e-mail not's for an hour and a half if they are flowing in continuously? You just get them at dinner time?!

Why you need a good smartphone or laptop? What is good? You can do the majority except for very particular things with budget stuff.

When I read your post, sincere effort is noticeable, but I feel you don't like your job much. I may be wrong, but that's what I feel from your words...