It's highly underrated.

Meaning

It's better than people realize.

Examples

• John: Have you seen that new movie?
• Alice: Yes, I thought <b>it's highly underrated</b>. It was much better than the reviews suggested.
• John: Really? I heard it was quite average.
• Alice: I disagree. I think <b>it's highly underrated</b> and deserves more recognition.