CrossPoint Sync vs CrossPort

CrossPoint Sync is a wireless companion app for the XTEink X4 e-ink reader. Transfer books, manage your device library, and clip web articles — all over your local WiFi network, no cables required. WIRELESS FILE TRANSFER Send EPUBs to your e-ink reader over WiFi. Uploads are chunked and streamed over for reliable, fast transfers. DEVICE FILE BROWSER Browse the full file system on your e-ink reader directly from your iPhone. Navigate folders, create new folders, delete files, rename files, move files and download books back to your phone. Swipe actions make file management quick and intuitive. SAFARI WEB CLIPPER Save any web article for your e-ink reader with the built-in Safari extension. CrossPoint Web Clipper extracts the article text, downloads images, and converts everything into a clean EPUB that's ready to read on your device. Clips sync automatically the next time you open the app. UPLOAD QUEUE Queue multiple books for transfer and watch them upload one by one with real-time progress tracking. The queue persists across app launches — add books now and they'll transfer automatically when your device connects later. iOS SHARE EXTENSION Share EPUBs from any app — Files, Safari, email — directly into CrossPoint Sync's upload queue. Files are picked up automatically and transferred to your device. SLEEP BACKGROUND CUSTOMIZATION Set a custom sleep screen image on your e-ink reader. Pick any photo from your library, preview it, and upload it to your device as the sleep background. ADDITIONAL FEATURES • Configurable upload paths for books and clipped articles • Dark mode support • Swipe-to-delete and swipe-to-save file actions • Breadcrumb navigation with swipe-back gesture • Device info display: hostname, IP, firmware version

CrossPort is the companion iOS app for e-ink readers running CrossPoint, an open-source third-party firmware for Xteink X4, X3, and compatible devices. Also works with alternative firmwares based on CrossPoint. Manage your books, wallpapers, and files — all over WiFi. LIBRARY & READING • Browse your full book library with cover art from Open Library, Apple Books, and Google Books • Track reading progress synced bidirectionally with your device • Built-in EPUB reader for reading on your phone with automatic progress sync back to the device • Download books to read on the go, upload from your phone to the device WALLPAPER • Add custom sleep screen wallpapers from your photos or files • Preview how wallpapers look on your device with a realistic e-ink display simulation • Send wallpapers to your device with one tap FILE MANAGEMENT • Browse, upload, rename, move, and delete files on your device • Upload progress tracking for large files • Automatic EPUB optimization with image compression • Smart filename cleanup for archive downloads SMART FEATURES • Automatic device discovery on your local network • Book cover art from multiple sources with EPUB fallback • XTC/XTCH file upload and management • Home screen widget showing your current read • Deep link support for quick access from widgets Requires a device running CrossPoint or a compatible firmware with WiFi file transfer mode enabled. Works with the Xteink X4, X3, and other supported devices.