[11] The 405's Francisco Gonçalves Silva considered the album as a "rejuvenation of 80s EBM with cinematic textures,"[11] while Resident Advisor's Matt McDermott labeled it as "a mix of compact synth pop tunes and filmic interludes.

[18] Writing for The 405, Francisco Gonçalves Silva has stated: "With Careful, they are no longer the best-kept secret among the dingier crowds, but their music, passion and on-going commitment have placed them close to a league of their own, hopefully lasting throughout the years to come.

"[19] Chris Todd of The Line of Best Fit thought that "overall, this record leaves quite the impression; if uneasy listening is your thing, Boy Harsher's murky interpretation of dead disco will envelop you in its dark delights.

"[9] Reviewing for Tiny Mix Tapes, Rowan Savage stated: "The handful of atmospheric pieces on Careful don't necessarily contribute but do nod to the filmic quality of Boy Harsher's work."

"[7] The Skinny's Michael Lawson has stated: "Matthews and Miller have identified the sweet spot between raw emotion and dancefloor hedonism – an alcove they seem unwilling to vacate anytime soon.