Comparison

Thorium Reader vs CrossPoint Sync

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

Thorium Reader

Organize all your ebooks, comics, and manga in a single app. Customize your reading experience with adjustable text, fonts, and themes. Listen to audiobooks and zoom into visual content with ease.

Highlights
  • Unified bookshelf for all content
  • Adjustable text size and spacing
  • Multiple font options
  • Text-to-speech audio playback
  • Zoom for comics and manga
  • Offline dictionary and translation
  • Import EPUB, PDF, CBZ files
Features
Read full description

Looking for an app where you can bring all your ebooks, comics and manga in one place? That’s what we built Thorium Reader for. Read it your way Everyone’s different, that’s why we want you to be fully in control: • Adjust text size, switch between color schemes with themes and control spacing. • 10+ fonts available, including specialized ones. • You prefer audio? Listen to any ebook, whenever you want. We’ll remember your preference. • Zoom into comics, manga and magazines. • Add bookmarks with notes. • Use the built-in iOS dictionary and translation features, even offline. • Tweak your reading experience with reading options. Bring your own books A single bookshelf and reading application where you can bring all your content: • Download free books, borrow from your library or buy from your favorite retailer. • Support for ebooks, documents, comics and manga. • Import EPUB, PDF and CBZ files. • Support for Readium LCP, used by thousands of libraries and retailers. Thorium Reader is built by EDRLab, a non-profit dedicated to open standards, reading and accessibility.

About

CrossPoint Sync

Wirelessly transfer books and manage your e-ink reader's library from your iOS device. Clip web articles and convert them into EPUBs for seamless reading. Organize files, create folders, and set custom sleep screens.

Highlights
  • Wireless file transfer over WiFi
  • Device file browser and management
  • Safari web article clipping to EPUB
  • Upload queue with progress tracking
  • iOS Share Extension for EPUBs
  • Customizable sleep screen image
Features
Read full description

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

Screenshots

Thorium Reader4 screens
CrossPoint Sync4 screens

Verdict

The call

The clearest difference is review sentiment: CrossPoint Sync at 100% against Thorium Reader's 40%. CrossPoint Sync also leads on rating (4.5 vs 3.5) and iOS requirement (15.1 vs 26.1). Thorium Reader's advantage is update cadence (every 3 weeks vs every 2 months). On price, ratings volume, ads and in-app purchases there is nothing between them.

Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

CrossPoint Sync holds the better App Store score, 4.5 against 3.5. Both are backed by a comparable volume of ratings — 13 and 17 respectively. Written reviews point the same way: 40% of Thorium Reader's written reviews are positive against 100% of CrossPoint Sync's.

UpkeepUpdate frequency

Thorium Reader ships an update every 3 weeks, CrossPoint Sync every 2 months. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

Scorecard4 real differences · 6 level
Thorium Reader versus CrossPoint Sync: the parameters behind the verdict, then further details
ParameterThorium ReaderCrossPoint Sync
PriceFreeFree
Rating3.5 (13 ratings)4.5 (17 ratings) — better
Positive reviews40.0% of reviews100.0% of reviews — better
Number of ratings1317 — better
Update frequencyEvery 3 weeks — betterEvery 2 months
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPadiPhone, iPad, iPod — better
Requires iOS26.115.1 — better
Further details — not scored
Size46 MB34 MB
Age rating17+4+
DeveloperReadiumZohaib Rauf

Customer experience

Thorium Reader

All ratings12 ratings
Positive58.3%
Neutral8.3%
Negative33.3%
Written reviews10 reviews
Positive40.0%
Neutral10.0%
Negative50.0%

CrossPoint Sync

All ratings10 ratings
Positive90.0%
Neutral0.0%
Negative10.0%
Written reviews9 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

In-app purchases

None

Thorium Reader

No in-app purchases

None

CrossPoint Sync

No in-app purchases

Questions

Is Thorium Reader free?
Thorium Reader is free to download, with no in-app purchases.
Is CrossPoint Sync free?
CrossPoint Sync is free to download, with no in-app purchases.
Which has better reviews, Thorium Reader or CrossPoint Sync?
CrossPoint Sync is rated higher. Thorium Reader averages 3.5 out of 5 from 13 ratings, while CrossPoint Sync averages 4.5 from 17 ratings.
Do Thorium Reader or CrossPoint Sync have ads?
Neither Thorium Reader nor CrossPoint Sync shows ads.
Which is updated more often, Thorium Reader or CrossPoint Sync?
Thorium Reader ships an update every 3 weeks, and CrossPoint Sync every 2 months. Most recently, Thorium Reader was updated on October 30, 2026 and CrossPoint Sync on October 31, 2026.

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