Speed Reading vs ReadFlow
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Speed Reading
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Read more in less time. Rive uses RSVP (Rapid Serial Visual Presentation) to show you one word at a time at a pace you choose—so you stay focused, reduce subvocalization, and build real speed-reading habits. READ ANYTHING • Start instantly with eight classic books built in: Moby Dick, The Great Gatsby, Alice's Adventures in Wonderland, Treasure Island, A Tale of Two Cities, The Adventures of Tom Sawyer, Ulysses, and Wuthering Heights • Paste any text—articles, notes, chapters—and start reading in seconds • Import from the web: paste a URL and Rive fetches and extracts the main article text • Share from Safari, Notes, or any app: use the Share sheet and choose Rive to add it to your library (Free includes the eight classics plus your first few imports; Rive Pro unlocks unlimited imports—see below.) SMART RSVP READER • One word at a time, with the optimal recognition point (ORP) highlighted so your eyes land in the right place • Adjust speed from 150 to 900 words per minute with a simple slider—find the pace that fits you • Jump back or forward 10 words anytime; play and pause with one tap • Progress is saved automatically. Pick up exactly where you left off, across all your items TRAIN YOUR SPEED • Find Your Speed — Gradually increases pace so you discover your comfortable reading speed (free) • Two more guided modes—Build Speed and Comfort & Focus—are included with Rive Pro (see below) TRACK YOUR PROGRESS • See total words read, total time read, and your average WPM • Filter stats by today, this week, this month, or all time • Yearly streak calendar shows every day you read or trained—build a habit that sticks RIVE PRO Upgrade to unlock everything: • Unlimited imports — save articles, books, and pasted text without limit • All training modes — Build Speed and Comfort & Focus, alongside Find Your Speed • Reading insights — trend charts for words read, reading speed, and training progress over time (7, 30, and 90-day views) • Support an independent developer building Rive Rive Pro is available as a monthly or yearly auto-renewing subscription, or a one-time lifetime purchase. Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period, and can be managed or cancelled anytime in your App Store account settings. DESIGNED TO STAY OUT OF THE WAY • Clean, minimal reader so you focus on the words • Optional accent themes (e.g. blue, green) for the interface and reading highlight • Light and dark mode support Rive is built for anyone who wants to read more without spending more time—whether you're catching up on articles, revisiting classics, or training yourself to read faster and with better focus. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://www.jamesbtlr.com/rsvp/privacy.html
ReadFlow
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ReadFlow helps you read faster and remember more. Practice with RSVP word-by-word drills, follow a structured curriculum, and prove comprehension with short quizzes after every session — not just a speed counter. PERFECT FOR • Students preparing for exams with heavy reading loads • Professionals who need to get through reports, articles, and docs faster • Anyone who wants structured speed-reading training, not a gimmick • English and multilingual readers building daily reading habits KEY FEATURES Structured Learning Path • Curriculum organized into parts and lessons • Unlock skills step by step — fundamentals before advanced drills • Remote lesson content in 14 languages RSVP Quick Read • Word-by-word presentation at your target WPM (80–1200) • Short daily practice sessions you can finish in minutes • Free tier includes 3 Quick Read sessions per day Reading Toolkit • Guides on eye movement, subvocalization, word groups, and more • Skill drills and exercise levels to reinforce technique • Interactive pacer and chunk challenges Comprehension Checks • Baseline quiz during onboarding • Lesson quizzes so speed gains come with understanding • Track comprehension alongside WPM Progress & Motivation • WPM chart, XP, level, and streak tracking • Achievements for consistent practice • Weekly daily-practice overview Personalized Onboarding • Set your target WPM and reading context (work, school, books, test prep) • Get a plan matched to your goals • Available in 14 languages WHY READFLOW • Training app with curriculum — not just an e-book RSVP reader • Comprehension built in, not bolted on • Clean, focused UI for practice and review • Pro unlocks full curriculum, advanced exercise levels, and unlimited Quick Read SUBSCRIPTIONS ReadFlow is free to start with daily Quick Read sessions included. Upgrade to Pro for expanded access: Free • 3 Quick Read sessions per day • Level 1 exercises and reading toolkit guides • Progress tracking and achievements Pro • Unlimited Quick Read sessions • Full curriculum access (locked lessons unlocked) • Exercise levels 2 and above • Premium features as they ship Subscriptions renew automatically unless cancelled at least 24 hours before the end of the current period. Manage or cancel in your App Store account settings. Use Restore Purchases after reinstalling or switching devices. GET STARTED 1. Choose your language and reading goal 2. Set a target WPM during onboarding 3. Complete your baseline comprehension check 4. Start your first Quick Read or curriculum lesson 5. Track WPM and streaks on the Progress tab Privacy: https://hasankarli.dev/mobile-apps/readflow/privacy Terms: https://hasankarli.dev/mobile-apps/readflow/terms
Screenshots
Verdict
The clearest difference is iOS requirement: ReadFlow at 15.0 against Speed Reading's 17.6. On price, update cadence, ads and in-app purchases 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. Speed Reading sells 3 in-app purchases, starting at $2.99 per month and ReadFlow sells 2 in-app purchases, starting at $2.99 per month. Whichever you choose, the download price is not the number that matters.
Speed Reading ships an update every 2 months, ReadFlow every 4 months. The most recent releases landed on September 25, 2026 and October 6, 2026 respectively.
| Parameter | Speed Reading | ReadFlow |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 2 months — better | Every 4 months |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone | iPhone, iPod — better |
| Requires iOS | 17.6 | 15.0 — better |
| Further details — not scored | ||
| Size | 9 MB | 95 MB |
| Age rating | 4+ | 4+ |
| Developer | James Butler | Hasan Karli |
In-app purchases
Speed Reading
- Rive Pro Monthly$2.991 Month
- Rive Pro Yearly$14.991 Year
- Rive Pro Lifetime$24.99
ReadFlow
- premium$2.991 Month
- premium3 Days trial$29.991 Year








