I don't think we had a thread like this and it could be useful. Plus it's easier to talk about stuff here than in 1m thread
I'll start by recommending this program (for Android users at least, but it might exist for iOS too):
Swipe for Facebook
Official FB app eats away at RAM and physical memory like crazy and isn't as customizable as this one. My mom was complaining about lacking memory on her phone the other day, so I replaced the official FB app with Swipe and it freed up like 500 MB.
I'll start by recommending this program (for Android users at least, but it might exist for iOS too):
Swipe for Facebook
Official FB app eats away at RAM and physical memory like crazy and isn't as customizable as this one. My mom was complaining about lacking memory on her phone the other day, so I replaced the official FB app with Swipe and it freed up like 500 MB.