Reading view, word highlighting, tap-to-define, sentence translation, bilingual YouTube subtitles, 500 words in your list and forgetting-curve review — all unlimited. Only full-text translation (12 a month) and AI questions (60 a month) have a usage cap.
No. Guest mode lets you read and save words, stored in your local browser. Multi-device sync and ability tracking need an account.
Chrome and Edge. Mobile is in the works.
Your word list, reading records and ability model live in your account; words you have looked up are cached in your browser. Tap-to-define goes through a translation API, not an AI model.
No. Each language is tracked separately, and your data is there when you switch back.
Within 7 days of purchase you can request one from your account page. We review it by hand and look at how much you actually used — if AI usage is still low, it usually goes through. After 7 days we no longer process refunds, but you can cancel anytime to stop the next renewal.
Open your account page and click Manage subscription. You can cancel anytime, and Pro stays until the end of the period you already paid for.
Yes. Monthly renews every month, yearly every year. You can cancel anytime and nothing will be charged after that.