Baicizhan offers free vocabulary and language learning content and features, including content tailored to different grade levels and exams, and provides free learning materials for 9 languages, as well as 37 vocabulary books for elementary and high school aligned with the national curriculum, along with content to prepare for the CET-4/6, TEM-4/8, TOEFL, and IELTS exams. Free features include image mode and deep learning mode, organization of daily review using the Ebbinghaus forgetting curve, and word information such as roots, suffixes, synonyms, inflections, derivations, definitions, examples, phrases, and similar words. The app is available for download on Apple and Android devices, with no specific limits on the number of lessons, words, or daily and monthly restrictions for the free plan. Paid products and services include language learning subscriptions—for which prices and details of paid tiers were not specified— the compact Baicizhan Word Machine, which features an e-ink screen, is lightweight and portable, and includes a comprehensive dictionary; and the Baicizhan Word Machine Max, which offers a 3.52-inch screen, richer content, and additional features and upgrades, in addition to the device’s dictionary library, which includes more than 700 dictionary titles covering school, university, and professional needs, as well as various languages. The company also offers corporate language training services, including customized courses, placement tests, class grouping, small-group class management, progressive assessments, data tracking, reports, and recommendations, as well as additional educational courses including Mint Reading, English Cake, Cheese Test, Cheese Pie, and other educational products from the group. No specific prices were mentioned for subscriptions, devices, the dictionary library, corporate training services, or additional courses, while purchase channels vary by product, including flagship stores on Taobao, JD, and Douyin, the official store on Xiaohongshu, and other channels. To access the tool, visit the official website: