Misled me

I'm having a hard time here helping me out if you can supposedly this AI app is supposed to make my freelance life easier but but I keep running into advertisements and one after the other I can't seem to work the apps because of the stupid ads and incoming messages now I finish my project and the last final submission they want is money why what they misled me and said it was free now they want want should I sue them for the amount of time they misled me on?