Monitoring RAM, CPU and Battery Usage On Your iPhone
Tip: Clear the RAM of the iPhone and iPad in 5 seconds
iPhone 6s/Plus ram usage | MacRumors Forums
HELP] [QUESTION] Is there any tweak which frees up some ram? i only have cpu-x open and get 96%+ ram usage. (iphone 6s ios 13.4.1 with lots of tweaks installed) : r/jailbreak