Why most of the android apps showing ads?

[AC Question]

I didn't understand why most of the apps showing ads in their apps. I stucked about this ads. Their are many reasons like ads may consume more data than content or compared to content their are lots of ads. I want solution to stop this. Plz help me.

 

[L0n3N1nja]

It's how developers make money off free apps, paid apps don't have ads. I know some ad blockers can help, but I wouldn't know which one to recommend.