Rapidly vs Speed Read by YComplex
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Speed Read by YComplex
This app helps you read faster by displaying words one at a time using Rapid Serial Visual Presentation. It trains your eyes to stay focused and reduces subvocalization. Import your own content or read web articles directly within the app.
- RSVP reader with focal letter highlighting
- Adjustable reading speed (50-1000 WPM)
- Import EPUB, PDF, TXT, Markdown
- Read web articles via URL
- Chapter navigation
- Customizable fonts and dark theme
- On-device library
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Speed Read uses RSVP (Rapid Serial Visual Presentation) to help you read faster. Words are displayed one at a time with a highlighted focal letter, training your eyes to stay centered and eliminating subvocalization — the habit that slows most readers down. Import your own books, articles, and documents in EPUB, PDF, TXT, or Markdown format. Paste any web URL and the app extracts the article text automatically. Your entire library lives on-device. Features: - RSVP reader with a color-highlighted focal letter for each word - Adjustable speed from 50 to 1,000 words per minute - Two play modes: Play/Pause or Press to Play (hold to read, release to stop) - Chapter navigation for multi-chapter EPUBs - Import documents: EPUB, PDF, TXT, and Markdown files - Read web articles by pasting a URL - 7 monospace font choices including JetBrains Mono, Fira Code, and Courier Prime - Adjustable font size - Reading position saved automatically — pick up where you left off - Pure black dark theme designed for OLED screens - No account required. All data stays on your device.
Screenshots
Verdict
The clearest difference is in-app purchases: Speed Read by YComplex at none against Rapidly's 4. On price, rating, ratings volume and ads 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. Rapidly sells 4 in-app purchases, starting at $2.99 per 7 days. Speed Read by YComplex asks for nothing beyond the download.
On the App Store both sit at effectively the same score — 5.0 for Rapidly against 5.0 for Speed Read by YComplex. Both are backed by a comparable volume of ratings — 1 and 2 respectively.
| Parameter | Rapidly | Speed Read by YComplex |
|---|---|---|
| Price | Free | Free |
| Rating | 5.0 (1 ratings) | 5.0 (2 ratings) |
| Number of ratings | 1 | 2 — better |
| Update frequency | Fortnightly | — |
| Ads | No | No |
| In-app purchases | Yes | No — better |
| Monetization | Freemium | Free — better |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 43 MB | 48 MB |
| Age rating | 4+ | 4+ |
| Developer | BAGL LIMITED | YComplex Ltd |
Customer experience
Rapidly
Speed Read by YComplex
In-app purchases
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
Speed Read by YComplex
No in-app purchases








