CogniLens vs Instant Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Instant Reader
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This app allows users to work with selected text from PDF documents and web pages using customizable actions and parameters. Key Features & Use Cases Select any word or phrase in English or other languages and request a translation (e.g., Japanese, Chinese, etc.) Select a sentence and request a grammar breakdown or explanation Select a word to open its Wikipedia page for additional context Search images related to selected text using Google Image results Users can define and customize their own parameters to extend functionality and create personalized workflows. AI Integration The app supports connecting to external AI services to generate responses based on selected text. Supported Content: - PDF documents - TXT files - Web pages - Notes More content types and features are planned in future updates. Terms of use: https://app.notion.com/p/Instant-Reader-Terms-of-Use-35315d340c0580ef8459d581696c3e5e Policy: https://app.notion.com/p/Instant-Reader-Policy-34015d340c05800ea627e951926c33cd
Screenshots
Verdict
The clearest difference is update cadence: Instant Reader at every 2 weeks against CogniLens's every 3 weeks. On price, ads, in-app purchases and device support 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 and Instant Reader sells 1 in-app purchase, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
CogniLens ships an update every 3 weeks, Instant Reader every 2 weeks. The most recent releases landed on October 7, 2026 and September 26, 2026 respectively.
| Parameter | CogniLens | Instant Reader |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) — better | — |
| Number of ratings | 1 — better | — |
| Update frequency | Every 3 weeks | Every 2 weeks — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Freemium | — |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.4 — better | 17.0 |
| Further details — not scored | ||
| Size | 90 MB | 3 MB |
| Age rating | 4+ | 17+ |
| Developer | Cognition Labs | Roman Vygnich |
In-app purchases
CogniLens
- CogniLens Monthly$5.001 Month
- CogniLens Yearly$54.001 Year
Instant Reader
- Unlimited Actions$2.991 Month
