Thorium Reader vs COBISS Ela
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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.
- 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
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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.
COBISS Ela
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The COBISS Ela reading application opens e-books with Readium LCP protection and open access e-books in ePUB format. The application is connected to the COBISS Ela book catalog and the COBISS Plus application. E-books borrowed in COBISS Plus can be downloaded directly to the COBISS Ela reading application. Supported formats: - ePub Possible to customize the reading experience with settings: - themes - fonts (size, thickness, types, margins) - spacing (between words, letters and paragraphs) - different font alignments Options for creating bookmarks, highlighting text and writing notes. Optimized for various devices and screens: - phones - tablets
Screenshots
Verdict
The clearest difference is iOS requirement: COBISS Ela at 18.0 against Thorium Reader's 26.1. On price, ads, in-app purchases and device support 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
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
| Parameter | Thorium Reader | COBISS Ela |
|---|---|---|
| Price | Free | Free |
| Rating | 3.4 (12 ratings) — better | — |
| Positive reviews | 40.0% of reviews | — |
| Number of ratings | 12 — better | — |
| Update frequency | Every 3 weeks | — |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 26.1 | 18.0 — better |
| Further details — not scored | ||
| Size | 46 MB | 58 MB |
| Age rating | 17+ | 9+ |
| Developer | Readium | IZUM |
In-app purchases
Thorium Reader
No in-app purchases
COBISS Ela
No in-app purchases
