Following its release, music critics gave
Assemble24 positive reviews. It received praise for its diverse range in genre, which Han Seong-hyeon, writing for
IZM, expressed as TripleS bringing "music from all over the world to the center of Seoul". Raul Stanciu of
Sputnikmusic described it as a "successful blend" of their previous music, observing some similarity to
Loona in the "bubbly, retro futuristic
synth pop with occasional
RnB type vocals". Rhian Daly, writing for
NME, characterized
Assemble24 as "wide-ranging yet cohesive" with each track designed to fit TripleS. It also received praise for its themes of strength and unity. ==Accolades==