Why aren't there free apps anymore?

If you want to use an app for whatever reason. It can be as stupid as downloading a song, they charge you. It used to be free years ago. Nowadays rarely you find a free app. Everything is money.

A pregnant friend wanted to simple see what her child will look like and they charge $18 per month even for that. She doesn't want a monthly free. Every single app asks for your card information. Why aren't there free apps anymore?

Why aren't there free apps anymore?
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