6 Answers2026-07-15 22:11:16
PocketBook's own cloud might be worth a glance if you own one of their e-readers. They offer free cloud storage for your personal documents that syncs across their devices and their mobile apps. It's not as widely known as Kindle or Kobo, but it's a legitimate, dedicated option. The storage limit on the free tier is generous for ebooks, and it's designed precisely for this use case—syncing your sideloaded content. If you're device-agnostic, it's a solid contender.
3 Answers2026-07-15 00:11:38
Has the conversation moved past just websites to apps? Because the line is so blurred now. Most 'websites' are just web wrappers for an app experience.
For instance, the serial story platform 'Yonder' from Kakao has a ton of free content (with a slow drip-feed). Their app syncs perfectly. But is it a website? They have one, but the experience is designed for mobile. So when we ask for websites, are we excluding these mobile-first, app-centric platforms that also have a web portal? I think for modern reading, the app is the primary interface, and the web is secondary. The sync feature lives in the app ecosystem.
4 Answers2026-07-15 00:10:16
The frustrating thing is when an app has sync but it’s buried in settings or doesn’t work reliably unless you have a constant internet connection. Good sync should be the default, obvious, and work offline-to-online seamlessly. You should finish a chapter on a plane, land, and have your progress update automatically when you get signal.
Kindle handles this offline gap perfectly. Some other apps I’ve tried require you to manually open the book while online to 'push' your progress. That’s not real sync; that’s a manual backup. Always check reviews for comments on offline sync behavior.
7 Answers2026-07-15 08:24:48
Project Gutenberg has over 70,000 free ebooks, but their official app doesn't sync your library or progress. It's just a portal. Many people download from Gutenberg and then import the file into a syncing ecosystem. That's the two-step process.
There's a newer app called 'Serial Reader' that delivers classic public domain books in short, daily serialized chunks. It's a fantastic concept, and it syncs your subscription list and which day you're on across iOS devices via iCloud. It's not syncing a full library of arbitrary books, but for its specific purpose, it works seamlessly. It’s a good example of a free, niche app that built sync in by design.
For a more general solution, the app 'Pocket' can be used for reading articles and long-form web content, and it syncs perfectly. Some people save web novels or fic to Pocket. It's not a book app per se, but it handles progression sync for text you save from the web, which overlaps with the need.
4 Answers2026-07-20 21:31:50
Wait, you guys are finishing books? I have like twenty started across four apps. Syncing just reminds me of my inability to commit to a single story.
3 Answers2026-07-19 12:18:12
The 'Serial Reader' app, which delivers classic books in daily bite-sized installments, syncs your subscription progress across iOS devices via iCloud. It's a very specific use case, but if you enjoy that 'serialized' format for public domain works, it's clever and keeps your daily reading streak going no matter which Apple device you pick up.
5 Answers2026-07-19 06:53:13
I wonder if the future is all web-based. Web apps like BookFusion's reader or even the Google Play Books web interface eliminate the need for device-specific sync—your progress is just saved to your account in the cloud. Maybe the 'best app' will just be a really good mobile-optimized website. That would guarantee sync across any device with a browser. Some services are already leaning hard into this. Food for thought.