What this app is. What it isn’t. What you could build.

One-liner

A speed reading app for EPUB and DJVU files that uses AI to highlight text in real-time, helping users read faster while retaining comprehension.

Strengths

Highly effective real-time text highlighting during reading ("The AI highlights words as I read—this is game-changing for speed" – Review #123)
Supports both EPUB and DJVU formats, rare among speed-reading apps
Intuitive interface with customizable reading speed and font size
Strong performance on older devices ("Runs smoothly on my iPad Air 2" – Review #45)
Top-50 keyword ranking for 'epubs' indicates strong organic visibility

Weaknesses

Frequent crashes when opening large DJVU files ("App freezes after 10 minutes with a 500-page DJVU" – Review #89)
No offline mode for saved books ("I can’t read without Wi-Fi, which defeats the purpose" – Review #176)
Limited customization of highlight colors and timing ("Only one color option—very basic" – Review #67)
No progress sync across devices ("Lost all my reading progress after reinstalling" – Review #112)
Poor customer support response time ("Waited 3 weeks for reply—no update" – Review #198)

Opportunities

Build an offline-first version with local storage and sync via iCloud/Google Drive
Add customizable highlight timing and color schemes to improve focus
Integrate a simple progress tracker and reading streaks to boost engagement
Create a lightweight companion web app for quick access to bookmarks and stats
Target niche users who read academic or archival material in DJVU format

Build ideas

Competitors

AI-generated brief · 5/12/2026, 10:35:31 AM

First load takes ~10–30s while we generate the brief. Cached afterward.