My Worlds Acoustic debuted at number seven on the US Billboard 200, selling 115,000 copies in its first week, becoming Bieber's third consecutive top ten album.

"[3] According to Kyle Anderson of MTV News the album might not have been "just another project", but rather the purpose could be "to prove that he has the skills to sustain a long and fulfilling career.

[7] Midway through the performance Bieber arose from the piano and took center stage; he was accompanied by a choir singing background vocals.

[11] Lucy Jones of The Daily Telegraph said that "with catchy choruses, soulful key changes and cute hooks laid bare, these are undeniably brilliant pop songs.

"[17] Jones further commented that "finger clicks, bongos and mellow guitars are a welcome change from the squealing synths and pounding beats favoured by Bieber and his peers," and that the album had the ability to connect with audiences beyond his demographic.

"[15] Thomas Conneron of Chicago Sun-Times said that "calming down several of the pop tunes with slower tempos and patient singing" was not bad and that slowing everything down made listeners hear how the singer's voice had matured.

[14] Calling it "the sugariest acoustic album in history," Allison Stewart of The Washington Post said "its arrangements and melodies – the best parts of any Bieber record - are stripped down but otherwise little changed, demonstrating just how great most of these songs were to begin with.

"[12] Dan Savoie of Rockstar Weekly gave the album 4 out of 5 stars, saying that it is "the perfect showcase for a talented young artist who's on his way to the Grammy Awards this year.

"[13] On the former, Herrera said, "It's the one moment where you can hear all of the young artist's strengths falling in line-raw talent, maturing vocals and, of course, an all-too-valuable connection with his fans.

[19] The album was subsequently certified Platinum by the Canadian Recording Industry Association the same month it was released, shifting over 80,000 units.