Hanzi Academy Pro

Hanzi Academy Pro unlocks everything in the Hanzi Academy app (hanziacademy.com):

• Full HSK 4, 5 & 6 word lists — 4,410 official syllabus words with pinyin, meanings, flashcards, quizzes and weakness diagnosis (on top of the free HSK 1-3 lists)

• Culture Pack — 18 essential Tang poems with pinyin, audio read-aloud and translations

• Three-Character Classic — 30 famous lines with pinyin and audio

• Idiom Stories — 12 chengyu with the stories behind them

How it works: after purchase you receive a license key by email. Open the app, tap "Unlock Pro", paste the key — done. One-time payment, lifetime access. Works offline as a PWA on phone and desktop.