1

This is kind of what your looking for: Notify Buddy. It won't show the entire notification, but it will alert you that there is one.


1

My obligatory Python based answer. Given the requirement not to use a data collection company (there are a lot of them out there) and that most if not all of the free SMS sending services are run by some of them you need something that can: Check your emails Run some filters on them (presumably you don't want spam notifications) Send the SMS I would ...


1

UpTime.onl - built with simplicity in mind


1

It seems like DetoxDroid could fit that bill. It's intended for "digital detoxing", and one of its features is a global DND mode ("mute all applications"). It lets you define exeptions ("…except one"), thus matching your requirements. For now, it's not available at any store I know of, and APKs must be downloaded from Github and ...


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