The core learning habit stays accessible. An account adds cross-device saving; Plus would support more AI-assisted exploration.
Visitor and free allowances are active.Plus is preview-only: no checkout, charge or paid activation. Daily allowances reset at 00:00 UTC (08:00 Shanghai); lyric allowances reset on the first day of each month, UTC.达到 AI 次数后，已保存的内容与每日复习仍可使用。付费会员暂不开放。
Cached lines are free to reopen. Failed requests do not consume allowance. Basic and grammar analysis share the same per-line allowance.No limits on scheduled review or saved content.
Cached lines are free to reopen. Failed requests do not consume allowance. Basic and grammar analysis share the same per-line allowance.No limits on scheduled review or saved content.
Cached lines are free to reopen. Failed requests do not consume allowance. Basic and grammar analysis share the same per-line allowance.All Plus amounts are previews only.
Learning is never pay-to-win
Visitors save on this device; free accounts save across devices and can join social play. Nobody can buy score multipliers or extra ranked attempts. Guest allowances use a browser cookie, not an account identity; clearing cookies can reset that identity. Clearing browser data can also remove guest progress.