ReadFast vs SpeedReader
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
ReadFast
Enhance your reading speed with a unique word-flashing technique. This utility app presents words sequentially at a rapid pace to improve comprehension and efficiency.
- Rapid Serial Visual Presentation (RSVP)
- Word-by-word flashing
- Improved reading speed
- Enhanced comprehension
- User-friendly interface
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ReadFast lets you read faster by flashing words at you using Rapid Serial Visual Presentation
SpeedReader
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## App Description Reading shouldn't be this hard. SpeedReader is a free Safari extension that lets you speed read any web page using RSVP (Rapid Serial Visual Presentation) — showing one word at a time at a controlled pace. For neurodivergent readers — people with ADHD, dyslexia, or other processing differences — traditional reading is exhausting. Eyes jump between lines, focus drifts mid-paragraph, and articles get abandoned halfway through. RSVP removes the cognitive overhead of eye tracking and line scanning, so your brain just processes. **How it works** Tap the SpeedReader icon in Safari's toolbar. The article text is extracted automatically and words appear one at a time with a highlighted focus point. Tap anywhere to pause, tap again to resume. That's it. **Features** • Focus-point highlighting — each word highlights its optimal recognition point, the letter your eye naturally anchors to • Context preview — pause and see the surrounding sentence to re-orient quickly • Punctuation pacing — periods and commas add natural micro-pauses so content flows like speech • Speed control — 100 to 600 words per minute • OpenDyslexic font — toggle the dyslexia-friendly font with one tap • Light and dark mode — follows your system theme or override manually • Keyboard shortcuts — on Mac and iPad: Space to play/pause, arrows to navigate • Text selection fallback — select any text on a page and speed read just that • Works entirely offline — no data leaves your device No accounts. No subscriptions. No tracking. Free and open source.
Screenshots
Verdict
The clearest difference is update cadence: SpeedReader at every 4 days against ReadFast's every 5 weeks. ReadFast's advantage is iOS requirement (15.1 vs 17.0). 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. Neither carries in-app purchases, so what you see is what you pay.
ReadFast ships an update every 5 weeks, SpeedReader every 4 days. The most recent releases landed on October 3, 2026 and October 5, 2026 respectively.
| Parameter | ReadFast | SpeedReader |
|---|---|---|
| Price | Free | Free |
| Rating | 2.3 (3 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 3 — better | — |
| Update frequency | Every 5 weeks | Every 4 days — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 15.1 — better | 17.0 |
| Further details — not scored | ||
| Size | 61 MB | 6 MB |
| Age rating | 4+ | 4+ |
| Developer | Leo Cui | Chris Cantu |
In-app purchases
ReadFast
No in-app purchases
SpeedReader
No in-app purchases









