[14] Rolling Stone's Will Hermes wrote, "Ultimately it's the spirit of adventure that runs through the entire enterprise that makes the diversity feel perfectly coherent, and timely.

[19] Q critic Niall Doherty said the duo "revealed themselves as a rare, brilliant talent,"[20] while The Independent's Ilana Kaplan wrote, "As a record that's as lyrically compelling as it is sonically daring, I'm All Ears is an admirable follow-up to an impressive debut.

"[15] Writing for The Line of Best Fit, Saam Idelji-Tehrani stated "Reflecting Walton and Hollingworth's growth and maturation over a period of approximately two years, it is a creative and infectious record, which after repeat listens, moves from being intriguing to simply irresistible.

"[23] Matthew Neale of Clash praised the album, saying "If they've perfected the modern pop template associated with acts like SOPHIE (on production duties here) - and they have - it's somehow not the most impressive element of the record.

"[24] AllMusic critic Heather Phares wrote, "By the time Let's Eat Grandma unite the album's different sounds on the exhilarating finale, 'Donnie Darko,' Hollingworth and Walton prove that a few more years under their collective belt haven't tamed their adventurous spirit—if anything, the way they challenge expectations on I'm All Ears is more exciting than ever.