# Libro.fm Audiobooks vs CogniLens

The clearest difference is in-app purchases: Libro.fm Audiobooks at none against CogniLens's 2. Libro.fm Audiobooks also leads on ratings volume (41K vs 1) and chart position (#104 vs unranked). On price, rating, update cadence and ads there is nothing between them.

Both are free to download. CogniLens sells 2 in-app purchases, starting at $5.00 per month. Libro.fm Audiobooks asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 4.9 for Libro.fm Audiobooks against 5.0 for CogniLens. That said, the two scores are not equally well evidenced: Libro.fm Audiobooks has 41K ratings behind it against 1, so its average is the more settled of the two.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on November 9, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | Libro.fm Audiobooks | CogniLens |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (41K ratings)](https://appshunter.io/ios/app/librofm-audiobooks/id1057776523/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/cognilens/id6757313568/reviews)** |
| Number of ratings | **41K** | 1 |
| Positive reviews | 91.7% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | **Free** | Freemium |
| Best chart rank | **#104** | — |
| Size | 74 MB | 90 MB |
| Requires iOS | **16.2** | 16.4 |
| Devices | **iPhone, iPad, Apple Watch** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Libro.fm](https://appshunter.io/developer/1057776522) | [Cognition Labs](https://appshunter.io/developer/1671250656) |

## What reviewers say

### Libro.fm Audiobooks

[App page](https://appshunter.io/ios/app/librofm-audiobooks/id1057776523)

**Currently charting:** #104 Top Free · Book (US App Store)

Listen to audiobooks while supporting independent bookstores. Access a vast library, enjoy DRM-free content, and utilize reader-friendly features like bookmarks and sleep timers. Purchases directly benefit your chosen local bookshop.

**Highlights:** Support for independent bookstores, DRM-free audiobooks, Bookmarks and sleep timer, Adjustable playback speed, Automatic syncing across devices, Recommendations from booksellers

**Features:** Siri integration, Apple Watch app, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 👍 Support for local bookstores
- 🚀 Convenient and easy to use
- 💡 DRM-free audiobooks
- 🎨 Great user interface
- 🎁 Generous membership benefits

**What reviewers complain about**

- 🐛 Buggy playback and syncing issues
- 🔍 Limited search and browsing functionality
- 💰 Audiobook prices can be high
- 🤔 Lack of certain features (e.g. chapters, in-app purchases)

**Reported bugs**

- Playback stops when device goes to sleep
- Inability to download audiobooks on cellular data
- App crashes and loses progress in books

**Requested features**

- Add chapter support for audiobooks
- Improve search and browsing capabilities
- Allow in-app purchases and account management
- Implement syncing across devices


### 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 Libro.fm Audiobooks free?

Libro.fm Audiobooks is free to download, with no in-app purchases.

### Is CogniLens free?

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

### Which has better reviews, Libro.fm Audiobooks or CogniLens?

CogniLens is rated higher. Libro.fm Audiobooks averages 4.9 out of 5 from 41K ratings, while CogniLens averages 5.0 from 1 ratings.

### Do Libro.fm Audiobooks or CogniLens have ads?

Neither Libro.fm Audiobooks nor CogniLens shows ads.

### Which is updated more often, Libro.fm Audiobooks or CogniLens?

Libro.fm Audiobooks ships an update every 3 weeks, and CogniLens every 3 weeks. Most recently, Libro.fm Audiobooks was updated on November 9, 2026 and CogniLens on October 31, 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.*