"Az újságok az asztalon ingyenesek."

Translation: The newspapers on the table are free.

[GGABI2]

Én inkább így mondanám: Az asztalon lévő újságok ingyenesek.

[SedatKlc]

what is the difference between ingyenes and szabad?

[Hulk014]

Ingyenes - You don't have to pay for it.
Szabad - A place is free, so anyone can enter.

[JohnWeber786406]

szabad in a previous example also refers to people.
Az emberek szabadok.