Libro.fm Audiobooks vs CogniLens
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Libro.fm Audiobooks
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.
- Support for independent bookstores
- DRM-free audiobooks
- Bookmarks and sleep timer
- Adjustable playback speed
- Automatic syncing across devices
- Recommendations from booksellers
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Looking to read audiobooks, and love supporting your local bookshop? We’re Libro.fm, an employee-owned audiobook company that shares profits with more than 4,000 indie bookshops around the globe. Whether you’re starting a membership or grabbing one of our 600,000+ audiobooks à la carte, every purchase supports your chosen store. • DRM-free (accessible audiobooks) • Reader-friendly features: Create bookmarks, set a sleep timer, adjust playback speed, create and assign tags, and automatically sync your spot across devices • Use your Libro.fm credits to redeem audiobooks in app • Supports Apple Watch and CarPlay • Recommendations from real booksellers As a Social Purpose Corporation and Certified B Corp™, we're proud to put time and resources into supporting indie bookshops and getting more folks to read—even if those goals may at times conflict with our financial interests. We care about the reading ecosystem and want it to thrive. Our privacy policy can be found at https://libro.fm/privacy Our terms of use can be found at https://libro.fm/terms
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 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 (#95 vs unranked). On price, rating, 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. 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 7, 2026 and October 31, 2026 respectively.
| Parameter | Libro.fm Audiobooks | CogniLens |
|---|---|---|
| Price | Free | Free |
| Rating | 4.9 (41K ratings) | 5.0 (1 ratings) — better |
| Positive reviews | 91.8% of reviews | — |
| Number of ratings | 41K — better | 1 |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free — better | Freemium |
| Best chart rank | #95 — better | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone, iPad |
| Requires iOS | 16.2 — better | 16.4 |
| Further details — not scored | ||
| Size | 74 MB | 90 MB |
| Age rating | 12+ | 4+ |
| Developer | Libro.fm | Cognition Labs |
Customer experience
Libro.fm Audiobooks
CogniLens
Bugs and requests
Libro.fm Audiobooks
Reported bugs
3 issues- Playback stops when device goes to sleep
- Inability to download audiobooks on cellular data
- App crashes and loses progress in books
Requested features
4 requests- Add chapter support for audiobooks
- Improve search and browsing capabilities
- Allow in-app purchases and account management
- Implement syncing across devices
CogniLens
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Libro.fm Audiobooks
No in-app purchases
CogniLens
- CogniLens Monthly$5.001 Month
- CogniLens Yearly$54.001 Year









