プロワーズ - 完全無料広告無し英単語アプリProWords

プロワーズ - 完全無料広告無し英単語アプリProWords is an education app by PROGRIT Inc. with 500+ downloads (about 691 estimated). +27 installs in the last 7 days. Install growth, rank history, SDKs and ad networks.

From the store listing: “A free English vocabulary app created with serious effort by Progritt, which has instructed 26,000 people. Combine instant recall training with smart review based on the forgetting curve to give you the ability to "use" business English "instantly."”