The most popular such app that I'm aware of is is Tasker, which is a paid app but it has a 7-day free trial. It's very powerful (it can do a lot more than what you're asking for), but it takes some getting used to. It's rather like a programming system for your phone. You can also search (or ask for help on) /r/tasker if you get stuck (don't forget to check the side bar, lots of useful stuff there). There are... - Source: Reddit / about 2 months ago
Hi folks, first post here so please be gentle! I searched here and on the site and it seems that this is not possible. Is that correct? - Source: Reddit / about 2 months ago
Is it possible to do that with fairphone's dual sim functionality? I haven't looked too deep into it, but suspect I'll have to use tasker or something similar to conveniently manage those needs. - Source: Reddit / about 1 month ago
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