Sweet About Me Digital Spy positively reviewed "Sweet About Me," giving it four out of five stars. Levine comended Xenomania's production on the track, calling it "authentic" and "fresh". He also praised Gabriella Cilmi's vocals on the song, "Most impressive of all is Cilmi's voice, which manages to be sweet and coarse all at the same time, much like a drizzling of honey on a slice of toast." Jake Taylor of Sputnikmusic deemed "Sweet About Me" as one of the best songs released by an Australian artist on debut. He wrote, "A lot of songs focus on the chorus as the returning point
Call Me Maybe But here's my number, So call me maybe." Melody Lau of "Rolling Stone" wrote that "Call Me Maybe" is a "Taylor Swift meets Robyn" song. Jon O'Brien of AllMusic stated that the songs of "Curiosity" recall the bubblegum pop era of Britney Spears and Christina Aguilera, and added that "Call Me Maybe" is a teen pop song with "a chorus that just about straddles that fine line between sugary sweet and sickly." Tiffany Lee of Yahoo! Music deemed it as an instant summer hit, and added that "Call Me Maybe" has "a good beat, great melody and catchy lyrics; something