Read faster.
Retain more.
readflow shows one word at a time, eliminating the eye movement that slows traditional reading. Your brain is faster than you think.
Everything you need to read faster
No gimmicks — just proven speed-reading science in a clean, focused app.
Import any PDF
Drop in any PDF and start reading instantly. Your library lives on your device — private and fast.
150–700 WPM
Adjust your reading speed on the fly — from deep-focus at 150 WPM to skimming at 700. No pausing needed.
Optimal Recognition Point
Each word highlights the letter your eye naturally lands on — keeping focus sharp and eliminating drift.
Zero distractions
One word at a time. No scrolling, no page turns, no wandering. Just you and the text.
Track your progress
Pick up right where you left off. readflow saves your position across every book in your library.
Built for mobile
Designed for iPhone. Read on the go — on your commute, in line, or on the couch.
How it works
From PDF to speed reading in seconds.
Import a PDF
Tap the + button and pick any PDF from your device. readflow extracts the text and builds your book.
Set your speed
Start at 250 WPM and adjust on the fly with a simple slider. Go slow for dense material, fast for light reads.
Read one word at a time
Words appear one by one at the center of the screen, with the Optimal Recognition Point highlighted in green.
Pick up where you left off
Your position is saved automatically. Open the app, tap your book, and keep reading.
Readers love it
“I went from 220 WPM to 400 WPM in two weeks. My textbook reading time got cut in half.”
“The green letter trick is genius. Once you see it, you can't go back to normal reading.”
“I use it on my commute every day. I've finished 3 books this month that would have sat on my shelf.”
Your brain is faster
than you think
Start reading faster today. Import your first PDF and see the difference in seconds.
Download on App StoreFree to try — 3 books included. Upgrade anytime.