Jade from MusicFix compared the song to all other Australian Idol winners' singles and wrote that the "black box" metaphor differentiates it from the others.

[6] On 14 February 2010, "Black Box" was certified double platinum by the Recording Industry Association of New Zealand (RIANZ), for selling 30,000 copies.

[7] In Australia, the song debuted and peaked at number two on the ARIA Singles Chart on 30 November 2009, selling 17,493 copies in its first week,[8] and becoming the fastest-selling Sony Bandit.fm download ever.

[9] Eventually, "Black Box" was certified double platinum by the Australian Recording Industry Association (ARIA), for selling 140,000 copies.

[14] He again performed the song at Barry Curtis Park in Manukau City as part of celebrations of Waitangi Day (6 February) in 2010.