NovelGlide vs CogniLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
NovelGlide
This ePub reader offers a customizable and convenient way to discover and enjoy digital books. It supports OPDS catalogs for free book discovery, allows for personalized reading settings, and includes features like bookmarks, search, and text-to-speech.
- ePUB book support
- OPDS catalog browsing
- Customizable appearance
- Bookmarks and search
- Book management
- Text-to-speech functionality
- Cloud sync
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NovelGlide is a clean, privacy-first EPUB reader for your phone and tablet. Bring your own EPUB books, or discover free public-domain classics from built-in catalogs — then read the way you like: adjustable fonts and themes, dark mode, highlights, and bookmarks. WHAT YOU CAN DO • Read EPUB e-books in a smooth, distraction-free reader • Listen with read-aloud (text-to-speech) — keep playing with the screen off, and control it from the lock screen • Read along with a book's own recorded narration, when the EPUB includes it • Add books straight from other apps with the share sheet • Vertical writing for Chinese & Japanese, with furigana, Zhuyin (注音), and pinyin ruby • Tap any Chinese or Japanese word for an instant dictionary lookup • Save words to a vocab library as you read, review them later, and export to Anki • Translate a selection in the reader, with offline language packs • Two-page spread on a tablet or in landscape • Sync your library across devices with Google Drive • Find free public-domain books in-app, or connect your own OPDS server (Calibre, Kavita) • Highlights, bookmarks, in-book search, and collections to organize your library • Dark mode and adjustable typography for comfortable reading PRIVATE BY DESIGN No account required to read your own books. NovelGlide is free — no forced subscription, no ads. NovelGlide reads EPUB files. Read-aloud uses your device's synthesized voice; recorded narration plays only for EPUBs that include it.
CogniLens
This app transforms text to make it more readable for individuals with dyslexia and ADHD. Customize spacing, size, and layout, or use text-to-speech. It supports document uploads, text pasting, and photo scanning.
- Text transformation for readability
- Customizable layout and spacing
- Text-to-speech functionality
- Document upload and text pasting
- Photo scanning for text conversion
- Light/dark mode and focus controls
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CogniLens makes text easier to read. Built for dyslexia, ADHD, and neurodivergent readers, CogniLens lets you transform text exactly the way you like—so it’s simpler to follow, easier on your eyes, and finally feels readable. What you can do: • Upload your documents or paste text and instantly convert it into your preferred reading format • Customize the look and layout until it feels right (spacing, size, alignment, and more) • Take a photo of any page or printed text and turn it into readable text that you can transform • Tap to listen with text-to-speech instead of reading • Use light/dark mode and focus-friendly controls • Pick up where you left off with reading history and saved position Language: English (more languages coming later) CogniLens works across iOS and the web—with a Chrome extension—so your reading settings and progress can follow you anywhere. Apple Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ CogniLens Terms of Use: https://www.cognitionlabs.com/terms-of-use
Screenshots
Verdict
The clearest difference is rating: CogniLens at 5.0 against NovelGlide's 2.0. NovelGlide's advantage is in-app purchases (none vs 2). On price, ratings volume, update cadence and ads 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. CogniLens sells 2 in-app purchases, starting at $5.00 per month. NovelGlide asks for nothing beyond the download.
CogniLens holds the better App Store score, 5.0 against 2.0. Both are backed by a comparable volume of ratings — 1 and 1 respectively.
NovelGlide ships an update every 5 weeks, CogniLens every 3 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.
| Parameter | NovelGlide | CogniLens |
|---|---|---|
| Price | Free | Free |
| Rating | 2.0 (1 ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 | 1 |
| Update frequency | Every 5 weeks | Every 3 weeks — better |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Ad-supported — better | Freemium |
| Devices | iPhone, iPad, iPod — better | iPhone, iPad |
| Requires iOS | 15.5 — better | 16.4 |
| Further details — not scored | ||
| Size | 123 MB | 90 MB |
| Age rating | 4+ | 4+ |
| Developer | Cheng-Kai Wu | Cognition Labs |
Customer experience
NovelGlide
CogniLens
In-app purchases
NovelGlide
No in-app purchases
CogniLens
- CogniLens Monthly$5.001 Month
- CogniLens Yearly$54.001 Year









