DoCube - Reader & Notes

For PDF,EPUB,Markdown and Web

Free · In-App Purchases

Education Offer! Send "hello DoCube" from your .edu email to docube@icloud.com for a free in-app code. Offer ends 4/31/2026. DoCube - Turn Reading into Real Knowledge An exceptional e-book reader and knowledge management tool that creates a complete loop from reading to retention. Browser-Like Freedom for Reading [Multi-Tab Reading]: Open multiple books and documents simultaneously. Compare academic papers side by side, jump between novel chapters, and switch contexts instantly. [Precise Positioning]: Every location in a document has a unique address. Jump to any chapter with one tap—no more painful page flipping to find content. [History Navigation]: Each tab has independent back/forward navigation. Even complex documents can be retraced effortlessly. [All-Format Support]: PDF, EPUB, offline webpages, Markdown, and MinerU archives—read everything in one app. Six Annotation Tools to Build Your Knowledge Network [Versatile Marking]: Highlight, underline, strikethrough, links, Markdown notes, and citations—everything from quick marks to deep thinking. [Color Management System]: Six theme colors, freely configurable. Use different colors for different subjects or projects to manage knowledge visually. [Cross-Document Links]: Link annotations can jump directly to any location in other documents, connecting scattered knowledge points into a knowledge graph. [Unified Across Formats]: Annotations for PDFs, EPUBs, webpages, and archives are managed in one place—not scattered across multiple apps. Annotations Are Notes, Notes Are Cards [Native Markdown Support]: Annotation notes support full Markdown syntax—write code, formulas, and lists freely. [One-Tap Card Creation]: Highlights automatically convert to flip cards or mask cards. Mark while reading, review and memorize directly. [Cards Link to Source]: Every card is anchored to a specific location in the document. One tap returns you to the full context—understanding never disconnects. [AI-Enhanced Creation]: Custom prompts let AI generate cards based on document context, automatically breaking down complex concepts into memorizable points. From "Read" to "Remembered": The Complete Loop [Weekly Planning Cycle]: Set daily reading and review tasks on a weekly basis, with visual habit tracking. [Multi-Dimensional Planning]: Plan by tags, by document, or by article—intensive paper reading and casual reading each have their own rhythm. [Article-Level Progress]: Long documents are broken into article units. See at a glance what's unexplored versus already read. [Desktop Review Widgets]: Quote widgets randomly display golden annotations, and daily plan widgets remind you of today's tasks—review even in fragmented moments. Who It's For [Researchers]—Multi-tab literature comparison, cross-document linking to build knowledge networks, one-click citation tracing. [Students]—Annotations convert to memory cards, weekly plans fight forgetting, review rhythm clear and controllable. [Knowledge Workers]—Semantic search for quick positioning, AI extracts key information, review core points in spare moments. [Lifelong Learners]—Unified annotations across all formats, complete Markdown thinking, knowledge graphs that connect notes into systems. Free vs. Pro [Free Version]: Full feature support, manage up to 5 documents—perfect for light reading and experiencing the complete functionality. [Pro Version]: In-app purchase removes document limits—unlimited knowledge base. One purchase works on iPhone, iPad, and Mac. iCloud sync + local WiFi transfer, automatic offline merge, your data stays safe and secure.

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- Customizable font size support - Customizable accent color support - Optimized dark mode display - Support for translating selected text

Version 1.5.3

In-App Purchases

The developer, 巍 赵, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .

  • Data Not Linked to You

    The following data may be collected but it is not linked to your identity:

    • Usage Data

Privacy practices may vary based, for example, on the features you use or your age. Learn More

Accessibility

The developer has not yet indicated which accessibility features this app supports. Learn More

Information

  • Seller
    • 巍 赵
  • Size
    • 46.4 MB
  • Category
    • Productivity
  • Compatibility
    Requires iOS 17.0 or later.
    • iPhone
      Requires iOS 17.0 or later.
    • iPad
      Requires iPadOS 17.0 or later.
    • Mac
      Requires macOS 14.0 or later.
    • Apple Vision
      Requires visionOS 1.0 or later.
  • Languages
    English and 10 more
    • English, French, German, Italian, Japanese, Korean, Russian, Simplified Chinese, Thai, Traditional Chinese, Turkish
  • Age Rating
    16+
  • In-App Purchases
    Yes
    • Full-platform Professional Edition USD 19.99
    • Learn More
  • Copyright
    • © 2025 Wei Zhao
  • Developer Website
  • Privacy Policy

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