fastReader vs Read Fast
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
fastReader
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This app displays the text from your PDF and TXT files word by word on your screen. By adjusting the speed at which the words appear, you can control your reading pace. Increasing your reading speed helps reduce distractions, allowing you to read faster and more focused. Additionally, the app allows you to customize the color, size, font, and background of the words. no adds will appear while reading! The application currently supports three languages based on the device's system language: English, German, and Turkish. The language of the app has no relation to the language of the PDF you want to read. The word-by-word conversion from the PDF is done using Google's ML kit. Please note that there might be minor inaccuracies in the text extracted from PDF files. While the human eye can easily detect and correct these errors, for a completely error-free experience, you can convert your file to a .txt format and read it using the '.txt reader' section. For more information, please visit the 'info' section on the homepage.
Read Fast
This app helps you read faster by displaying words sequentially in the center of the screen, reducing subvocalization and improving focus. It supports various file formats and tracks your reading progress to build a consistent habit.
- Rapid Serial Visual Presentation (RSVP) engine
- Breaks subvocalization bottleneck
- Import EPUB, PDF, TXT, and pasted text
- Track daily streaks and WPM
- Reduces eye fatigue
- Local device processing for privacy
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STOP READING. START ABSORBING. Most people read at about the same speed they speak. The reason is subvocalization: the small inner voice that sounds out every word. Absorb is built to break that bottleneck and change how you move through text. Absorb uses an advanced Rapid Serial Visual Presentation (RSVP) engine. Instead of making your eyes scan back and forth across a page, it shows words one after another in the same spot and highlights each word's Optimal Recognition Point. Your gaze stays centered, your focus stays locked, and text moves straight into visual processing. WHY READERS USE ABSORB STEADY FOCUS: The rapid display leaves less room for wandering attention and helps you enter a steady reading flow. BUILD THE HABIT: Track daily streaks, average WPM, reading time, and progress so speed becomes something you can actually train. BRING YOUR OWN BOOKS: Import EPUB, PDF, TXT, and pasted text from your device. LESS EYE FATIGUE: Stop losing your place. Sit back, watch the center, and let the book come to you. PRIVATE BY DESIGN: Processing happens locally on your device. Your files and reading data do not leave your phone. Absorb offers monthly access and a one-time Lifetime unlock. Full access requires a subscription or Lifetime unlock. Download Absorb, import your first book, and finish it tonight. Terms: https://absorb-app-ncmw.onrender.com/terms.html
Screenshots
Verdict
The clearest difference is ads: Read Fast at none against fastReader's shown. On price, in-app purchases, device support and iOS requirement 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. fastReader sells 1 one-off in-app purchase and Read Fast sells 3 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.
| Parameter | fastReader | Read Fast |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Positive reviews | — | 100.0% of reviews |
| Number of ratings | — | 1 — better |
| Update frequency | — | Every 2 days |
| Ads | Yes | No — better |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPad | iPhone, iPad |
| Requires iOS | 16.0 — better | 16.4 |
| Further details — not scored | ||
| Size | 42 MB | 164 MB |
| Age rating | 4+ | 12+ |
| Developer | Aysen Dursun | Maksym Horoszczak |
In-app purchases
fastReader
- Remove Adds$1.79
Read Fast
- Absorb$4.991 Month
- Absorb Pro Annual7 Days trial$19.991 Year
- Absorb Pro Lifetime$69.99









