customer review
US /ˈkʌs.tə.mər rɪˈvjuː/
UK /ˈkʌs.tə.mər rɪˈvjuː/

1.
an evaluation of a product or service made by someone who has purchased and used it
:
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We encourage all our buyers to leave a customer review after their purchase.
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The product received many positive customer reviews.