
DotInk: EInk Assistant
Font & Ebook Converter Tool
$2.99 · Designed for iPad
The ultimate companion for portable E-ink devices. Convert fonts and e-books locally, preview in real-time, and manage your devices seamlessly offline.
Designed for e-ink enthusiasts, making your portable readers more powerful and easier to use.
Seamlessly convert .ttf fonts and e-books on your phone into .bin fonts, XTC, or EPUB formats perfectly tuned for portable e-ink screens.
[CORE FEATURES]
• WYSIWYG Font Customization
Import external .ttf fonts or use system fonts. Adjust line spacing, tracking, size, weight, and more with precision. Real-time simulation of various e-ink screens—preview exactly how it looks before exporting.
• Powerful E-book Toolbox
Import various e-book formats to preview layouts directly on your phone. Customize formatting and convert to standard formats with a single tap.
• Seamless Device Integration
Wireless connection to supported devices for font pushing and file management. Supported Devices: XTEInk X4, EDCBook, Murphy 3.7, Wudada·Little Ink, and more.
• Privacy First & Offline
100% Offline: All processing is done locally on your device. No user data is ever uploaded. (Note: Network and Location permissions are required solely for connecting to your e-ink hardware.)
[NOTE FROM DEVELOPER]
This app is an indie project built with "AI Vibe Coding." While I strive for perfection, I cannot test every scenario. If you encounter any bugs, I appreciate your understanding.
Thank you to all the "Community Supporters" for your feedback! Feel free to leave suggestions or comments.
Ratings & Reviews
This app hasn’t received enough ratings or reviews to display an overview.
Thank you for your support! This update introduces the long-awaited E-book Mode and significant UX improvements:
1. New E-book Mode (Beta)
- Import EPUB/TXT files for in-app preview.
- Customize layout, font size, and typeface, then export as XTC or EPUB.
2. Enhanced EDCBook v1.4.2 Support
- Full support for previewing, adjusting, and generating .bin fonts for this firmware version.
- Connect to manage files and modify device settings directly.
3. XTEInk "Wi-Fi Synergy" Mode
- Connect devices via LAN (Local Area Network) in addition to direct hotspot connection.
- Fixed bugs causing connection or transfer failures after firmware updates.
4. UI & Interaction Upgrades
- Auto-Save State: The app now remembers your last position and settings upon relaunch.
- Preset Management: Save your favorite font adjustment parameters as presets for quick access.
- Collapsible Sections: Fold away unused control blocks to keep the interface clean and focused.
The developer, 业 毕, 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 Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- 业 毕
- Size
- 9.8 MB
- Category
- Utilities
- Compatibility
Requires iOS 15.0 or later.
- iPhone
Requires iOS 15.0 or later. - iPad
Requires iPadOS 15.0 or later. - iPod touch
Requires iOS 15.0 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
English and 2 more
- English, Simplified Chinese, Traditional Chinese
- Age Rating
4+
- 4+
- Contains
User-Generated Content
- Copyright
- © 2025 大业爱数码
