Regarding the phone: If you use Android (no experience if there is an iOS equivalent), most distributions have some sort of "multi-user" (generic Android) or

Regarding the phone: If you use Android (no experience if there is an iOS equivalent), most distributions have some sort of "multi-user" (generic Android) or "second space" (Xiaomi terminology) feature, where you can install separate sets of apps and compartmentalize files and notifications. This works wonders for having your work e-mail and Slack logged into the second space, and you only open it at work. It also prevents intrusive work apps from having access to your personal space's data, which if you care about it, is very good too.