[2][3] Zanobard Reviews assigned 8/10 to the album, saying that the film's score sports "an excellently-crafted main theme" and an "eerie, effective counter-motif for the hostile alien Whitespikes" and the combination of these themes form "a solid thematic baseline throughout the score.

"[4] The review further added the compositional style as one of the highlights, praising the "genuinely gorgeous orchestration that gives the whole album a crisp, quality sound", which plays better in the main theme.

[4] Music critic Jonathan Broxton, described it as "an excellent score, combining strong thematic content with a great deal of creativity in terms of orchestration, innovation, and extended compositional techniques".

[5] Filmtracks assigned 3 out of 5 calling the score as "loud, meaty, and anthemic" and further added "Balfe offers much to like in The Tomorrow War, but there are disconnects between the themes in context and as presented on album, and some of the action music in between them pounds away anonymously.

[8] For the musical piece "Miami Dolphins Still Suck", Alli Patton of American Songwriter said that "the orchestral masterpiece is the perfect addition to any sci-fi action adventure".