Example:
-She is going to wait me after the show.-I am going to visit a friend this afternoon.
Example:
-She will be hungry after workout.-I am worried about Annie, I will call her tonight.
Difference:
Going to is more common to talk about making plans or intentions.
Difference:
Will is used to make promises and talk about spontaneous decisions.
Going To:
Going to is equivalent to the Spanish verb to go to do something. It is a construction that is used to express the intention that a person has to carry out an activity in the more or less near future and to express the certainty that something is going to happen in the future because there is evidence of it in the present.Will:
Future Simple with will is the future in English that allows expressing spontaneous decisions about future actions, predictions or future events that cannot be altered. It is formed with the auxiliary verb will and the infinitive of the main verb.Will
vs.
Going To
