# NovelGlide vs CogniLens

The clearest difference is rating: CogniLens at 5.0 against NovelGlide's 2.0. NovelGlide's advantage is monetization model (ad-supported vs freemium). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. NovelGlide sells 3 one-off in-app purchases and CogniLens sells 2 in-app purchases, starting at $5.00 per month. Whichever you choose, the download price is not the number that matters.

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 26, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | NovelGlide | CogniLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.0 (1 ratings)](https://appshunter.io/ios/app/novelglide-epub-reader/id6748090356/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cognilens/id6757313568/reviews)** |
| Number of ratings | 1 | 1 |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 weeks | **Every 3 weeks** |
| Monetization | **Ad-supported** | Freemium |
| Size | 123 MB | 90 MB |
| Requires iOS | **15.5** | 16.4 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Cheng-Kai Wu](https://appshunter.io/developer/1824246427) | [Cognition Labs](https://appshunter.io/developer/1671250656) |

## What reviewers say

### NovelGlide

[App page](https://appshunter.io/ios/app/novelglide-epub-reader/id6748090356)

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.

**Highlights:** ePUB book support, OPDS catalog browsing, Customizable appearance, Bookmarks and search, Book management, Text-to-speech functionality, Cloud sync

**Features:** macOS Compatibility

**In-app purchases (3)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Small Tip | $0.99 | one-time |
| Medium Tip | $2.99 | one-time |
| Large Tip | $9.99 | one-time |


### CogniLens

[App page](https://appshunter.io/ios/app/cognilens/id6757313568)

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.

**Highlights:** 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

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| CogniLens Monthly | $5.00 | per month |
| CogniLens Yearly | $54.00 | per year |


## Frequently asked questions

### Is NovelGlide free?

NovelGlide is free to download, with in-app purchases available.

### Is CogniLens free?

CogniLens is free to download, with in-app purchases available.

### Which has better reviews, NovelGlide or CogniLens?

CogniLens is rated higher. NovelGlide averages 2.0 out of 5 from 1 ratings, while CogniLens averages 5.0 from 1 ratings.

### Do NovelGlide or CogniLens have ads?

Neither NovelGlide nor CogniLens shows ads.

### Which is updated more often, NovelGlide or CogniLens?

NovelGlide ships an update every 5 weeks, and CogniLens every 3 weeks. Most recently, NovelGlide was updated on October 26, 2026 and CogniLens on October 7, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*