The album evoked mixed reviews in the Turkish media, according to some journalists this is his worst album, while others think that these reviews are part of a negative campaign, aiming to discredit Tarkan.Despite the bad criticism he had received, Metamorfoz sold 300,000 copies in the first week of its release, which, according to the Turkish music industry, gaining diamond certification. Metamorfoz was released in Europe on February 1, 2008, by Urban (Universal Records), in a few countries like Germany and Austria. The European release is an enhanced CD that includes the music video of Vay Anam Vay.