"Hello Again" was described by Neil Diamond biographer Laura Jackson as a "slow tender ballad."Allmusic critic Johnny Loftus considers it Diamond's "signature late-career ballad." Author T. Mike Childs rated it as a "terrific" ballad. Movie reviewer Joe Peacock described "Hello Again" as being "keenly affecting to the emotions." On the other hand, author Joshua Piven considers the song "a painfully boring lullaby."Billboard Magazine critic Vicki Pipkin claims that Diamond's performance of the song in The Jazz Singer is "poignant."Pittsburgh Press music editor Carl Apone claimed that Diamond was at his best in The Jazz Singer in the songs "Hello Again" and "Love on the Rocks."