"Chuck Taylor of Billboard noted that "All I Have to Give" contained "plush harmonies, a melody that seems altogether natural and familiar on the first listen, and clever production props", describing it as a "no-brainer ballad" that would treat the Backstreet Boys more seriously as men.

[3] Scottish Daily Record described the song as a "classic slice of teen-pop", stating that the Backstreet Boys were "eclipsing Boyzone".

[4] A reviewer from Music Week gave it three out of five, stating that the boy band "who currently cannot put a foot wrong are set for a third big hit" with the "radio-friendly Full Force-penned ballad which features all five members sharing lead vocals.

"[5] People magazine described "All I Have to Give" as a "peppy" ballad, stating that while the song contained "a tinge of melancholy in the group's harmonies, one can't help smiling".

[6] Bob Waliszewski of Plugged In found that the song expresses a "willingness to do whatever it takes to forge a strong relationship".