# CogniLens vs Read Rocket

The clearest difference is ratings volume: Read Rocket at 3 against CogniLens's 1. CogniLens's advantage is iOS requirement (16.4 vs 18.0). 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 and Read Rocket sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for CogniLens against 5.0 for Read Rocket. Both are backed by a comparable volume of ratings — 1 and 3 respectively.

Both ship on a similar rhythm, roughly every 3 weeks. The most recent releases landed on October 7, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | CogniLens | Read Rocket |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/cognilens/id6757313568/reviews) | [5.0 (3 ratings)](https://appshunter.io/ios/app/read-rocket-speed-reading/id6758781398/reviews) |
| Number of ratings | 1 | **3** |
| Positive reviews | — | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | Every 3 weeks |
| Monetization | Freemium | Free with in-app purchases |
| Size | 90 MB | 383 MB |
| Requires iOS | **16.4** | 18.0 |
| Devices | iPhone, iPad | **iPhone, iPad, Mac** |
| Age rating | 4+ | 4+ |
| Developer | [Cognition Labs](https://appshunter.io/developer/1671250656) | [JOSEPH CLAYTON KLEIN](https://appshunter.io/developer/1874956857) |

## What reviewers say

### 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 |


### Read Rocket

[App page](https://appshunter.io/ios/app/read-rocket-speed-reading/id6758781398)

Enhance reading speed and focus with three science-backed modes: Flash, Scroll, and Speak. Import documents from various formats and sync across Apple devices. Enjoy a private, ad-free experience with a one-time purchase.

**Highlights:** Flash Mode for word-by-word reading, Scroll Mode with guided highlight, AI Speak Mode with synchronized highlight, Import PDFs, EPUBs, web articles, and more, Cross-device syncing (iPhone, iPad, Mac), On-device processing for privacy, One-time purchase, no subscriptions

**Features:** Vision Pro support

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Unlock Read Rocket | $8.99 | one-time |


## Frequently asked questions

### Is CogniLens free?

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

### Is Read Rocket free?

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

### Which has better reviews, CogniLens or Read Rocket?

CogniLens and Read Rocket are both rated 5.0 out of 5 on the App Store, from 1 and 3 ratings respectively.

### Do CogniLens or Read Rocket have ads?

Neither CogniLens nor Read Rocket shows ads.

### Which is updated more often, CogniLens or Read Rocket?

CogniLens ships an update every 3 weeks, and Read Rocket every 3 weeks. Most recently, CogniLens was updated on October 7, 2026 and Read Rocket 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.*