Planet Sound attracted a dedicated community of music fans, facilitated by its letters page, "The Void", and also received endorsements from chart musicians.

The magazine was recognised by critics as an authoritative source of music journalism, and its content was reprinted by mainstream news and entertainment outlets including the BBC, NME and Uncut.

[1][2] The teenage writings of future Planet Sound editor John Earls – including reviews of ABC and Westworld albums – were published by Blue Suede Views.

[8] Planet Sound featured an assortment of music news, opinions, and reviews of new releases, and purported to give "sane coverage" to indie rock.

[2] Peter Ormerod of The Independent lamented Planet Sound's impending closure, calling it "an authoritative, informed and sprightly read from its Pixies-referencing name onwards".

[2] Guardian journalist David Renshaw felt that Planet Sound's "sense of community" stood in opposition to the "cutthroat commenting world" of the internet, asserting, "We are losing a true one-off.

"[5] Spiked columnist David Bowden stated, "Anyone trawling around the often overblown and pretentious musings of music websites such as Pitchfork may find themselves yearning for the critical wisdom of John Earls and Colin Irwin on Planet Sound, their evident knowledge and enthusiasm for the job never particularly hampered by 25-odd word limits.