ヘビーユーザー

noun

power user; heavy user

Refers to someone who uses a product, service, or system extensively and skillfully. Often used in tech and business contexts.

• 彼かれはこのアプリのヘビーユーザーで、毎まい日にち何なん時じ間かんも使つかっている。

  He is a heavy user of this app, spending hours on it every day.

• ヘビーユーザー向むけの特とく別べつプランが