Reading long lines of text is hard.

Reading Ruler is a desktop app that guides your eyes and helps you read better on screen.

How it works

What users say

“This an incredibly useful tool for people with disabilities such as ADD/ADHD/ASD or mild dyslexia.”

Reddit user

“I needed this years ago”

Reddit user on r/dyslexia

Feature comparison

Free browser addons

Limited to browser

No PDF viewer support

Limited configuration

Reading Ruler

Works in all your programs

Full browser support

Extensive configuration

Read better on screen with Reading Ruler.

Reading Ruler for Windows ($39.99)

Reading Ruler for macOS

Try free for 3 days and see if Reading Ruler helps you read better on screen.

Download 3-day trial for Windows

Download 3-day trial for macOS