Sightlines vs Devour
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sightlines
Read full descriptionHide full description
Read faster and retain more with Sightlines—the speed-reading app powered by Rapid Serial Visual Presentation (RSVP) techniques. Traditional reading wastes up to 80% of your time on eye movement alone. Sightlines displays one word at a time in a fixed position, delivering text directly to your brain's optimal recognition point. The result? Reading speeds up to 800 words per minute with less eye strain and deeper focus. Speed Read Anything: • Import ePubs or PDFs from your files • Share documents directly to the app • Save articles instantly from any URL • Paste text directly for immediate reading • Sample content included to get started RSVP Technology That Works: • One word at a time display eliminates eye movement • Optimal Recognition Point (ORP) highlighting for faster processing • Adjustable speeds from 100 to 800 WPM • Smooth speed transitions while reading • Context view shows surrounding sentences when paused Track Your Reading Progress: • Detailed analytics: words read, sessions, and actual WPM achieved • Daily, weekly, monthly, and all-time statistics • Visual charts show your speed improving over time • Reading streaks keep you motivated and consistent • Automatic progress saving—pick up exactly where you left off Personalized Reading Experience: • 6 themes: Dark, Light, Sepia, Night, Paper, and System • Each book remembers your preferred reading speed • Chapter navigation for ePub books • Distraction-free, full-screen reading mode Who Is Sightlines For?: • Students tackling heavy reading loads • Professionals staying current with articles and reports • Book lovers who want to read more in less time • Anyone looking to improve focus and reduce screen fatigue Stop moving your eyes. Start moving through your reading list. Use of this app is subject to Apple's Licensed Application End User License Agreement: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Devour
Read full descriptionHide full description
DEVOUR YOUR READING LIST Download free and start speed reading in seconds. Devour uses RSVP (Rapid Serial Visual Presentation) to display words one at a time right where your eyes are focused—so you read 2-3x faster without learning any special technique. Just import, tap play, and devour. HOW IT WORKS Traditional reading wastes time on eye movements. Devour eliminates that by presenting each word at a fixed point with the Optimal Recognition Point highlighted, so your brain processes text faster instantly. IMPORT ANYTHING EPUBs, PDFs, web articles, DOCX, TXT, Markdown, HTML, RTF—if you can read it, Devour can speed-read it. Paste text or extract content from any URL. Your entire reading list in one app. POWERFUL FEATURES Speed Control — Adjust from 100 to 1,000+ words per minute. Start at your comfort zone and gradually increase as your brain adapts. Built-In Speed Test — Discover your baseline reading speed, then see how much faster you read with RSVP technology. Progress Tracking — Resume exactly where you left off. Every document saves your position automatically. Reading Statistics — Track total words read, reading time, average WPM, and daily streaks with beautiful visualizations. Daily Goals & Achievements — Set word count goals, build streaks, and earn milestones as your reading habit grows. Smart Library — Organize with favorites, reading status, and content type filters. Search and find anything instantly. iCloud Sync — Keep your library, reading progress, and statistics synchronized across all your Apple devices. Dark Mode — Automatic system theme matching or manual light/dark selection for comfortable reading anywhere. THE SCIENCE RSVP has been researched for decades as a method to increase reading speed. By presenting words at a fixed focal point with ORP highlighting, your visual system processes text more efficiently. Most readers see significant speed improvements from their very first session. PREMIUM Devour is free to use with ads. Go premium to remove all ads for an uninterrupted reading experience and support independent app development. START READING FASTER Import your first document and feel the difference. That article you bookmarked last week, the novel on your shelf, the PDF report for work—Devour helps you get through it all. Faster. https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: Sightlines at none against Devour's shown. Devour's advantage is iOS requirement (13.4 vs 17.6). On price, update cadence, 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. Sightlines sells 2 in-app purchases, starting at $2.99 per month and Devour sells 2 in-app purchases, starting at $1.99 per month. Whichever you choose, the download price is not the number that matters.
Sightlines ships an update every 4 days, Devour weekly. The most recent releases landed on September 16, 2026 and September 10, 2026 respectively.
| Parameter | Sightlines | Devour |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 days — better | Weekly |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 13.4 — better |
| Further details — not scored | ||
| Size | 12 MB | 30 MB |
| Age rating | 4+ | 4+ |
| Developer | Kyle Foley | Brett Cassidy |
In-app purchases
Sightlines
- Sightlines Pro Monthly$2.991 Month
- Sightlines Pro Yearly$19.991 Year
Devour
- Monthly$1.991 Month
- Yearly$14.991 Year









