ReadCast vs RSVP Speed Reader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadCast
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ReadCast turns your own books into a flexible reading and listening experience. Import PDF, EPUB, or TXT files, read with a clean and customizable interface, or switch to natural AI narration when you want to listen instead. Adjust text size, theme, playback speed, and voice to match the way you like to read. Use ReadCast to move smoothly between reading and listening, pick up where you left off, and enjoy your personal library in a more accessible way. Terms of Use: https://readcast.cc/terms
RSVP Speed Reader
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Unlock your true reading potential with RSVP Speed Reader! Using Rapid Serial Visual Presentation (RSVP) technology, our app eliminates the need for your eyes to move across the page. Words flash sequentially at your chosen speed, allowing you to read up to 3x faster without losing comprehension. KEY FEATURES: • AI Chapter Detection: Upload large PDFs or text files, and our advanced AI will automatically map out chapters and structure your book. • Read Anything: Import PDFs, DOCX, TXT files, or paste direct URLs and text. • Complete Control: Adjust your reading speed seamlessly from 100 to 1,000+ WPM. • Eye Comfort: Choose from multiple themes including OLED Dark, Forest, and Sepia. • Accessibility: Features Dyslexic-friendly fonts and customizable Optimal Recognition Point (ORP) highlight colors. • Track Progress: Detailed reading statistics, daily goals, and reading time estimates. Whether you're a student trying to get through textbooks, a professional reading long reports, or just an avid reader who wants to consume more books, RSVP Speed Reader is your ultimate reading companion. Join thousands of readers and upgrade your reading speed today! Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Screenshots
Verdict
The clearest difference is ads: ReadCast at none against RSVP Speed Reader's shown. RSVP Speed Reader's advantage is update cadence (every 6 days vs every 4 weeks). On price, in-app purchases, device support and iOS requirement 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. ReadCast sells 6 in-app purchases, starting at $9.99 per month and RSVP Speed Reader sells 2 in-app purchases, starting at $3.99 per month. Whichever you choose, the download price is not the number that matters.
ReadCast ships an update every 4 weeks, RSVP Speed Reader every 6 days. The most recent releases landed on October 8, 2026 and October 4, 2026 respectively.
| Parameter | ReadCast | RSVP Speed Reader |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 weeks | Every 6 days — better |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPad | iPhone, iPad, iPod — better |
| Requires iOS | 16.4 | 15.0 — better |
| Further details — not scored | ||
| Size | 67 MB | 24 MB |
| Age rating | 4+ | 4+ |
| Developer | DevLab Spa | Mahir Cem ALCI |
In-app purchases
ReadCast
- Pro — 500K chars/month3 Days trial$9.991 Month
- Premium — 1M chars/month3 Days trial$19.991 Month
- Unlimited Monthly3 Days trial$29.991 Month
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- Pro Annual — Save 22%7 Days trial$99.991 Year
- Premium Annual — Save 22%7 Days trial$199.991 Year
- Unlimited Annual — Save 22%7 Days trial$279.991 Year
RSVP Speed Reader
- RSVP Pro Plan3 Days trial$3.991 Month
- RSVP Pro Plan3 Days trial$29.991 Year
