Is there a difference between saline nasal spray and nasonex (mometasone)?

Nasonex (mometasone) vs saline : Saline nasal spray is a non-prescription preparation that is useful to reduce nasal congestion and thin mucus. Nasonex (mometasone) is a prescription nasal anti-inflammatory (steroid) spray use alone or in combination with other nasal sprays or oral medication to treat conditions like seasonal and year-round allergies and vasomotor rhinitis.