X Speed Reader vs Rapidly
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
X Speed Reader
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X Speed Reader helps you get through X articles faster using RSVP (Rapid Serial Visual Presentation): words appear one-by-one at your chosen speed, so you can focus on comprehension with fewer distractions. Features • Read X articles with the best RSVP reader • ORP highlight • Reading history • Continue reading where you left off • 200-1000 WPM reading speed Reading full articles require paid premium subscription. Terms of Use: https://sad-team.notion.site/Terms-of-Use-2efad671ba82815792b1db4ee74c2821
Rapidly
Enhance your reading speed and focus with this app's RSVP technique. It displays words sequentially, reducing eye movement to help you process articles, PDFs, and EPUBs faster. Track your progress and adjust your reading pace from 100 to over 1200 WPM.
- RSVP reading technique
- Import from URL, clipboard, files
- Adjustable reading speed (100-1200+ WPM)
- Automatic chapter detection
- Progress tracking
- Dark mode
- Resume reading
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Read 3x faster with Rapidly. Rapidly uses RSVP (Rapid Serial Visual Presentation), a technique that shows words one at a time at a fixed point on screen. By reducing eye movement, it helps you stay focused and move through articles, PDFs, EPUBs, and text faster. HOW IT WORKS Instead of scanning line by line, Rapidly presents words sequentially so you can focus on the content and build faster reading speed over time. IMPORT FROM ANYWHERE - Paste text from your clipboard - Import articles from a URL - Open PDF, EPUB, and TXT files - Share directly from Safari, Chrome, and other apps FEATURES - Read from 100 to 1,200+ WPM - Gradually ramp up speed as you train - Automatic chapter detection for books and long reads - Progress tracking with time remaining - Reading history for every article, book, and document - Dark mode for comfortable reading - Resume exactly where you left off - No account needed, and your content stays on your device FREE VS UNLIMITED Free - Up to 800 WPM - Clipboard and URL imports - 5 imports per day Unlimited - 1,200+ WPM - Unlimited imports - PDF, EPUB, and TXT support Turn articles, books, and documents into faster, more focused reading sessions with Rapidly. Privacy Policy: https://rapidly.bagl.dev/privacy-policy Support: https://rapidly.bagl.dev/support
Screenshots
Verdict
The clearest difference is update cadence: X Speed Reader at every 5 days against Rapidly's fortnightly. On price, ads, 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. X Speed Reader sells 3 in-app purchases, starting at $2.99 per month and Rapidly sells 4 in-app purchases, starting at $2.99 per 7 days. Whichever you choose, the download price is not the number that matters.
X Speed Reader ships an update every 5 days, Rapidly fortnightly. The most recent releases landed on September 18, 2026 and September 8, 2026 respectively.
| Parameter | X Speed Reader | Rapidly |
|---|---|---|
| Price | Free | Free |
| Rating | — | 5.0 (1 ratings) — better |
| Number of ratings | — | 1 — better |
| Update frequency | Every 5 days — better | Fortnightly |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | — | Freemium |
| Devices | iPhone, iPod | iPhone, iPad, iPod — better |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 48 MB | 43 MB |
| Age rating | 4+ | 4+ |
| Developer | Oleksandr Kryzhanovskyi | BAGL LIMITED |
In-app purchases
X Speed Reader
- Monthly Premium3 Days trial$2.991 Month
- Yearly Premium7 Days trial$7.991 Year
- Lifetime$14.99
Rapidly
- Rapidly Pro3 Days trial$2.997 Days
- Rapidly Pro7 Days trial$3.991 Month
- Rapidly Pro7 Days trial$14.991 Year
- Rapidly Pro$24.99









