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What changed · US
Listing changes AppTracker has observed for this app in this storefront — new versions, price moves, rating shifts, and store copy.
Aug 26, 2026
New version
1.0 → 1.1
About
This is an offline standalone education app for organizing science and math formulas, derivation steps, usage conditions, and mistake reviews locally. No login is required. The app does not connect to the internet or collect user data; all content is created by the user and stored on the device.
Details
Developerhao du
ReleasedJul 2026
UpdatedJul 2026
Version1.1
Size1 MB
RequiresiOS 15.6 or later
Age rating4+
LanguagesChinese, English, French, German, Japanese, Korean, Portuguese, Russian, Spanish
Price$0.29
Categories
Bundle IDcom.duhao.apps.examFormulaNotebook