Is there an easy tool to combine low quality pics taken from a mobile phone, all of the same thing but taken within a few seconds interval from one another, mostly suffering from slight out of focus issues? How can I combine them into higher quality?

Is there an easy tool to combine low quality pics taken from a mobile phone, all of the same thing but taken within a few seconds interval from one another, mostly suffering from slight out of focus issues? How can I combine them into higher quality?

EDIT: Apparently the concept is stacking: "focus stacking is taking several images of the same object(s) which are partially in focus and combining them in such a way as to keep the sharp parts and get rid of the blurry ones"

Is there an easy tool to combine low quality pics taken from a mobile phone within a few seconds interval, mostly suffering from slight out of focus issues, into higher quality pictures?

Is there an easy tool to combine low quality pics taken from a mobile phone, all of the same thing but taken within a few seconds interval from one another, mostly suffering from slight out of focus issues? How can I combine them into higher quality?