The previous HSK Online app has been upgraded to SuperTest. SuperTest is the world’s leading Mandarin Chinese learning app, focused on Preparation for the HSK Exam. Secure your HSK Certificate with SuperTest Plus, the efficient and cost-effective way to prepare for your HSK exam. Our curated lesson plans make sure you save time and money by focusing only on what you need to prepare for the exam. What is HSK? HSK stands for Hanyu Shuiping Kaoshi (Chinese: 汉语水平考试) which is the standard Chine