HanziLab: Learn Chinese HSK
HSK · write · speak · pinyin
About
Master Chinese HSK levels with advanced spaced repetition, real-time handwriting feedback, and syllable-level pronunciation scoring. Features include daily missions, an immersion reader, and a built-in dictionary. All content and features are free, with no ads or paywalls.
What's New in HanziLab
1.0.0
October 14, 2026
Developer apps
FAQ
What HSK levels does HanziLab cover?
HanziLab covers HSK levels 1 through 6. You can select your starting level during onboarding and change it at any time. All content for these levels is available for free.
How does HanziLab's spaced repetition work?
HanziLab uses an FSRS spaced repetition system, which is designed to schedule reviews based on how you forget. This differs from basic Leitner boxes or SM-2, aiming for more efficient retention without overwhelming users.
Can I practice writing Chinese characters with HanziLab?
Yes, HanziLab features Hanzi handwriting drills with real-time stroke recognition powered by Google ML Kit Digital Ink. This feature works entirely on-device, requiring no network connection.
Does HanziLab offer pronunciation feedback?
Yes, HanziLab provides syllable-by-syllable pronunciation feedback. You can choose between an on-device engine (Sherpa-ONNX) for offline use or an online engine (Microsoft Azure Speech) for potentially higher accuracy.
Is HanziLab free to use?
Yes, HanziLab is completely free. The description explicitly states 'No ads. No paywall. Built free, built to last.' There are no in-app purchases, subscriptions, or advertising.
Does HanziLab have ads?
No, HanziLab does not have ads. The app is built without advertisements, and the description clearly states 'FREE. NO ADS. NO SIGN-UP.'
What devices does HanziLab support?
Based on the provided data, HanziLab currently supports iPhones. It is available for iOS devices.
How often is HanziLab updated?
The provided data indicates the latest version is 1.0.0 and it was last updated on 2026-10-14. This suggests it is a new release or has recently been updated.
