Jason Scott of Blogcritics called it a "gem" and wrote that "Lovato's pain runs so deep that this soul-baring song feels like a punch in the gut" [REF].
Laurence Green of musicOMH said, "'Fix a Heart' and 'Skyscraper' achieve the maturity the album's opening moments were crying out for - trembling, beautiful creations built on sweeping, rhapsodic interplays of piano chords and strings" [REF].