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Llama may be useful for that on Android - able to perform actions including turning wifi on and off by location.

... and IFTTT, Tasker, and any number of of automation apps that require the user to both be aware of and be bothered to set up correctly.

Developer preview 3 of Android O includes a great option in WiFi settings to automatically turn WiFi back on when you are in a location where you've connected to a 'high quality' WiFi network before (such as home or work), though I've not dug deep enough to find out what constitutes high quality, and it doesn't appear to be paired with a converse option to turn it off elsewhere.

I thought about mentioning Tasker and others, but those feel to me more like programming options with which you can achieve the goal, where Llama and some other apps are a bit more focused just on the question of wifi.

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