Sex Tape scored under 17.5 % on Metacritic .
It currently holds a 16 % rating on review aggregator website Rotten Tomatoes based on 61 critics for an average rating of 4.1 ; the consensus states : `` With neither the conviction to embrace its smutty premise nor enough laughs to function as a worthwhile rom-com , the flaccid Sex Tape suffers from cinematic impotence . ''
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