ReadFlow vs Yomibi
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
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
Yomibi
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Yomibi is a speed-reading app that multiplies your reading speed with the RSVP (Rapid Serial Visual Presentation) technique. Words appear on screen one at a time; the red focus letter always stays in the same spot. Because your eyes never jump along the line, nothing breaks your focus. Free to download, with a full-featured 7-day trial. After that, a single one-time purchase unlocks the app forever — no subscription, ever. FEATURES • Import PDF, Word (.docx), EPUB, web pages, and clipboard text • Adjustable speed from 100 to 1,000 words per minute • Natural rhythm with end-of-sentence and comma pauses • Automatically pick up where you left off — progress is never lost • Library: folders, search, multi-select, reading time estimates • Personal reading view: colors, font, and text size • Optional haptic feedback at sentence ends • The screen stays awake while you read; the interface fades away, leaving only the word FULLY OFFLINE No accounts, no ads, no tracking. Your texts stay on your device alone.
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Verdict
The clearest difference is update cadence: Yomibi at every 5 days against ReadFlow's every 4 months. 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. ReadFlow sells 2 in-app purchases, starting at $2.99 per month and Yomibi sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.
ReadFlow ships an update every 4 months, Yomibi every 5 days. The most recent releases landed on October 6, 2026 and October 3, 2026 respectively.
| Parameter | ReadFlow | Yomibi |
|---|---|---|
| Price | Free | Free |
| Update frequency | Every 4 months | Every 5 days — better |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Devices | iPhone, iPod | iPhone, iPod |
| Requires iOS | 15.0 | 15.0 |
| Further details — not scored | ||
| Size | 95 MB | 5 MB |
| Age rating | 4+ | 4+ |
| Developer | Hasan Karli | MURAT KARABUL |
In-app purchases
ReadFlow
- premium$2.991 Month
- premium3 Days trial$29.991 Year
Yomibi
- Sakkad Full Version$3.99









