[1] Stephen Thomas Erlewine of Allmusic called "I'm In" one of "the best moments" on the album, saying that it "showcase[s] him at his best as a songwriter while successfully delivering a fresh, updated sound.

[4] Country Standard Time critic Jeffrey B. Remz, in his review of II, said that The Kinleys' rendition was "radio friendly" and that the duo "strip[s]" the song "from its rootsy feel by going for a bigger, churning sound.

[8] In a radio interview, Urban told KILT-FM that his rendition would be the fifth single from the album, and that he would perform it at the Academy of Country Music awards show on April 18, 2010.

Urban's rendition of the song is set in the key of F major and has a main chord pattern of F-C-Gm7-B♭sus2 and a moderately fast tempo as well as a vocal range of C3-A4.

"[13] Allmusic critic Thom Jurek compared the sound of Urban's version to that of The Rolling Stones, saying that it would be an "excellent choice for a single".