 In a review by Marcus Estrada of Hardcore Gamer, he praised Planetarian for having a "beautiful story," gorgeous CGs and a soundtrack that "sets a melancholic, but hopeful mood fitting with the story." He also noted that "even as an aging property Planetarian still looks and sounds good." Planetarian is one of several kinetic novels featured in the Lycèe Trading Card Game; Yumemi and the planetarium are playable cards in the second VisualArt's card set. In the February 2007 issue of SoftBank Creative's Gemaga magazine, the PS2 version ranked first for console games in terms of satisfaction; the game had ranked fourth in the previous issue. In the Japanese video game magazine Famitsu released on September 8, 2006, it was reported that the PS2 version of Planetarian sold 8,170 units the week of August 21 to August 27, 2006 (the PS2 version was originally sold on August 24, 2006). When the PSP version was re-released as a fundraising event for the 2011 Tōhoku earthquake and tsunami, 16,663 units were pre-ordered by the day of its release on May 12, 2011. From these sales, Prototype and VisualArt's donated 22,415,069 yen.
