About
This app uses spaced repetition to help you master difficult vocabulary. It features a built-in dictionary, multiple learning modes, and progress tracking. Designed for those who already know many words, it focuses on reinforcing what you struggle to remember.
What's New in 單字雪球
4.2
October 28, 2026
謝謝大家寄來的回饋！這次的更新大多來自你們的建議： • 「字庫」單字詳情頁可以左右滑動切換單字了 • 優化 iPad 版面配置 • 可以直接在 App 內兌換「記憶線索」優惠碼 • 優化跨裝置接續以及同步體驗 有任何想法都歡迎繼續告訴我們！
MoreSubscriptions & In-App Purchases
$2.99
記憶線索
拆字、記憶小故事、易混淆字，一次買斷永久使用。
FAQ
What is the learning methodology of 單字雪球?
單字雪球 utilizes an Anki-style Spaced Repetition System (SRS) to schedule vocabulary review. This method presents words you are about to forget at optimal intervals, helping to move them into long-term memory.
Does 單字雪球 offer progress tracking?
Yes, your learning progress is automatically synced via iCloud's private database. This ensures your progress is saved and can be restored when switching devices or reinstalling the app.
What are the different learning modes in 單字雪球?
單字雪球 offers four learning modes: 'Read Words' for reviewing and learning new words, 'Write Questions' for cloze tests, 'Spelling Quiz' to practice spelling from definitions, and 'List Sprint' for focused review of custom word lists.
Is there a cost to use 單字雪球?
No, 單字雪球 is completely free to use. The app does not have any advertisements or subscription fees, and it does not collect user learning data.
What devices is 單字雪球 available on?
單字雪球 is available on iPhones and iPads, supporting iOS devices.
How often is 單字雪球 updated?
The app was last updated on October 22, 2026, indicating active development. The latest version is 4.0.
Does 單字雪球 have ads?
No, the app description explicitly states there are no advertisements. It is designed to be an ad-free learning experience.
Can I use 單字雪球 offline?
Yes, the app is completely built-in and can be used offline. You do not need an internet connection to access the word bank or use the learning features.