e-chain
NFC e-paper keychain maker
Only for iPhone
Free · Designed for iPhone. Not verified for macOS.
iPhone
e-chain helps you design and write artwork to supported NFC-powered e-paper keychain displays.
Choose your Waveshare 1.54-inch panel, add a photo or text, tune brightness, contrast, saturation, exposure, sharpness, dithering, and panel colors, then send the finished image by holding your iPhone near the NFC tag.
Features:
- Supports Waveshare 1.54-inch NFC-powered e-paper B and G panels
- Photo import with live e-paper preview
- Text overlays with repeat and spacing controls
- Three-color and four-color panel palettes
- Dithering and direct color modes
- Local saved drafts and recent images
- NFC write progress with clear status updates
Ratings & Reviews
- This app hasn’t received enough ratings or reviews to display an overview.
The developer, Luigi Greco, 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
- Luigi Greco
- Size
- 4.5 MB
- Category
- Utilities
- Compatibility
Requires iOS 26.0 or later.
- iPhone
Requires iOS 26.0 or later. - Mac
Requires macOS 26.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 26.0 or later.
- iPhone
- Languages
- Italian and Portuguese
- Age Rating
4+
- 4+
- Copyright
- © Luigi Greco