The best alternatives to JinbuPal are Duolingo, Laoshi, and Chengyu Wordle. If these 3 options don't work for you, we've listed a few more alternatives below.
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Laoshi helps to learn Chinese words and characters. Choose your favorite textbook, subject list, HSK. Use spaced repetition system to remember words for long. Practice drawing Chinese characters directly onto your smartphone at your convenience.
Wordle, for Chinese idioms - 成语 (chéngyǔ) Guess the idiom in 6 tries. Idiom definitions available for learning purposes. Press"I'm stuck" button in case you're stuck.
HSK Tracker is a practical tool for those who want to improve their level of Chinese and get prepared for the HSK. It provides a tracking solution from HSK Level 1 to Level 6, giving you a clear overview of the characters and words you have learnt so far.