CrossPoint Sync Wants to Be the Universal Glue for Every E-Reader You Own
Built on top of the open KOReader protocol, CrossPoint Sync replaces bare-bones position tracking with cloud library connectors, unified reading analytics, and cross-device clipping management.
If you read across more than one e-ink device—say, a pocket-sized reader for the commute and a larger screen at home—leaving the walled gardens of Amazon or Kobo usually comes with a tax. For years, the open-source answer to keeping your place across independent hardware has been KOReader Sync. It works, and it is admirably lightweight, but it does essentially one thing: remember what page you stopped on.
CrossPoint Sync changes that equation. Built as part of the open-source CrossPoint Reader ecosystem, it is 100 percent compatible with the standard KOReader sync protocol while adding the cloud tissue that modern multi-device readers actually want. Instead of merely passing a page percentage back and forth, CrossPoint Sync acts as a central hub for your reading progress, bookmarks, highlights, clippings, document metadata, and reading statistics across hardware running CrossPoint, CrossInk, or stock KOReader.
More Than a Bookmark in the Cloud
The biggest limitation of standard KOReader servers is how little context they store. CrossPoint Sync upgrades the backend so that progress is tracked per device rather than blindly overwriting a single record, eliminating the frustrating sync "ping-pong" that happens when you switch hardware without closing a book. For devices running CrossPoint or CrossInk firmware, an extended API carries lossless position data—down to the exact spine, paragraph, and anchor—alongside full book metadata.
Once you create a free account on the CrossPoint Sync dashboard at sync.crosspointreader.com (or spin up your own self-hosted Docker instance), your reading life gets a visual web and mobile home. Opening the dashboard reveals the book you are currently reading, when it last synced, your completion percentage, how many printed pages you have covered, and how many days you have spent with the title. If testing multiple devices leaves you with duplicate entries for the same book, you can merge those statistics cleanly. You can also search through every clipping and highlight across your library, customize idle-book rules, or make your reading profile public.
Connecting Your Entire Reading Stack
Where CrossPoint Sync really pulls ahead of traditional sync servers is its server-side integrations. Rather than forcing your e-reader firmware to support a dozen third-party APIs, CrossPoint Sync links directly to the services you already use:
BookFusion: Connect your BookFusion account for two-way position syncing and highlight management. Combined with the BookFusion plugin on CrossPoint devices, you can browse your cloud shelves directly on an e-reader, download an EPUB to a local folder, and keep your reading position and clippings synchronized across e-ink readers and the BookFusion mobile app on iPhone or Android.
Audiobookshelf and Spotify: Switch between reading an ebook and listening to its audiobook counterpart without losing your place.
Readest, BookOrbit, Hardcover, and Readwise: Automatically push highlights, clippings, and shelf updates to your preferred tracking and note-taking tools every time your reader syncs.
How to Set It Up Across Your Fleet
Moving from standard KOReader Sync to CrossPoint Sync takes less than two minutes per device and requires no extra plugins for core syncing:
Create Your Account: Visit sync.crosspointreader.com in any desktop or mobile browser (or install the Android APK) and register a username and password on the Sync Dashboard.
Configure CrossPoint or CrossInk Devices: On hardware like the XTEINK X4 Classic or X4 Pro, open Settings, navigate to Connectivity, and select CrossPoint Sync. Set the server URL to sync.crosspointreader.com and the server type to CrossPoint. Enter your credentials, set document matching to Filename, and enable Send Document Metadata, Smart Sync, and Sync Clippings before tapping Authenticate.
Configure KOReader Devices: On a Kobo Clara or any other e-reader running KOReader, open the Custom Sync Server settings, enter sync.crosspointreader.com, log in with the same credentials, enable Send Document Metadata, and set the document matching method to Filename.
Once authenticated, an hour of reading on a pocket e-reader and an hour on a bedside Kobo flow into the exact same timeline—turning a collection of separate e-ink gadgets into a single, cohesive reading system.
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https://sync.crosspointreader.com
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