CrossPoint Sync vs ReadKar

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

Welcome to ReadKar — Your Smart Physical Book Subscription ReadKar brings the joy of real books back into your life. Discover, rent, and read physical books without the hassle of buying and storing them. With fast doorstep delivery and flexible subscription plans, reading has never been easier. Whether you're a passionate reader, a student, or a parent building a reading habit for your children — ReadKar makes books accessible, affordable, and convenient. Why Choose ReadKar? Doorstep Book Delivery Get physical books delivered directly to your home. 24-hour delivery for available books 48-hour delivery for special requests Easy pickup and exchange Subscription-Based Reading Enjoy unlimited discovery with flexible monthly plans. No need to purchase every book Save money while reading more Curated selections across genres Smart Discovery & Community Explore books through a reader-focused platform. Browse popular and trending titles Connect with fellow readers Discover new authors and genres Perfect for Families & Kids Build strong reading habits. Educational books Story collections Exam and learning resources Features Physical book rentals Fast doorstep delivery & pickup Subscription-based plans Easy browsing and ordering Reading-focused community experience Made for Real Readers In a world of screens, ReadKar helps you reconnect with the joy of physical books. Start your reading journey today. Support Have questions? We’re here to help you every step of the way.