Michael Gragg of
MusicOMH wrote that "Though the lyrics are daft [...] its exuberance and general sense of fun is so infectious that when the chorus kicks in you barely notice what she's saying." Jer Fairall of PopMatters wrote, "Look no further than the wry chorus hook of “Fembot” for proof of Robyn's deftly subversive sense of humor." Fairall also pointed out that "[The chorus] might hint, at first, in the direction of some
Blade Runner-esque
sci-fi pathos, but Robyn turns it towards a canny meta-commentary on the fluid sense of authenticity that pervades 21st century pop stardom." Fairall, however, thought that "the verses are nothing more than an inventory of the titular ‘bot’s synthetic virtues." Ben Norman of
About.com selected the song as his favorite track on
Body Talk Pt. 1, and wrote that "'Fembot' is the incredibly quirky and well-written Robyn-rap track that needs to be heard to be believed." Christopher Muther of
The Boston Globe praised the song for having "one of the most entertaining lyrics to emerge this year". "Fembot" debuted at number seven on the
Swedish singles chart on the issue dated 23 April 2010, becoming the week's highest debut. The following week, it rose four positions to number three, at which position it peaked. The song spent seven weeks on the chart, before dropping out in June 2010. In Norway, "Fembot" debuted at number nineteen on the
Norwegian singles chart and peaked at number ten. The song debuted and peaked at number ninety-nine on the
European Hot 100 Singles chart on the issue dated 15 May 2010. ==Live performances==