Writing for Loud and Quiet, Kyle Kohner gave this album an 8 out of 10, calling it "one of the most refreshing punk records anyone will hear this year".[1] Nina Corcoran of Pitchfork Media rated Post-American a 7.4 out of 10, praising frontman Deedee in particular as "the final garnish on an album defined by unexpected combinations" that "instills a humble profundity in MSPAINT’s music".[2] In a profile of MSPAINT published before the release of this album, Stereogum's Julia Towers predicted this would be one of the best albums of the year[4] and in a June round-up of the best albums of 2023, the publication placed this at third, with Chris DeVille writing that "there’s nothing quite like this album".[5]
In a June 19 review of the best albums of 2023, editors at Paste ranked this 23 for being "an invigorating call to prioritize love and justice in a time when virtually every part of society and culture encourages robotic mindlessness".[6] In Exclaim!, this was rated the 19th best album of 2023.[7] Editors at Stereogum chose this for the ninth best album of 2023.[8] Editors at Pitchfork Media included this in their list of the 37 best rock albums of 2023.[9] Editors at BrooklynVegan included this on their list of the 55 best albums of 2023.[10]
A piece by Nina Corcoran for Pitchfork Media chose this album to spotlight how American hardcore punk music embraced experimentation and cross-genre elements in 2023.[11]