"[7] Rother is credited as co-producer, but his primary role was to leave the group some of his equipment, including Farfisa instruments, a four-track recorder, a stereo mixer, and an Elka Drummer One drum machine.

[9] John Bush of AllMusic described Zuckerzeit as "an unexpected jump from the extended kosmische jams of Cluster 71 into uncharted territory [...] fusing the duo's haunted melodic sense with crisp, scratchy drum programs.

"[4] Peter Cauvel of Vinyl Me, Please stated that "even with drum machines and synths, Cluster pushed past the rigidity that defined their more successful peers in Kraftwerk, making spacier, improvisational electronic music.

"[1] In a review of Cluster's 1971–1981 box set, AllMusic's Paul Simpson called the album a "masterpiece [that] combined trippy drum machine rhythms with woozy, pastoral melodies, resulting in a skewed, playful vision of futuristic pop.

"[12] Writer Ulrich Adelt stated that the album's "influence on electronic music was significant, and many more contemporary groups have copied [its] lo-fi sound.