Sumizeit vs Book AI
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
Sumizeit
Access concise summaries of non-fiction books in text, audio, infographic, podcast, and video formats. Learn key insights from experts in personal development, career, health, and more, in just minutes a day. Offers short audio courses for further learning.
- Text, audio, video book summaries
- Infographic and podcast summaries
- Short audio courses
- Personal development topics
- Career and success advice
- Expert-curated content
- Send summaries to Kindle
Read full descriptionHide full description
Sumizeit is more than a book summary app. It's your all-in-one app for learning, personal growth, and mindfulness. It a book summary app / micro learning app / and super cool learning app. Get the key ideas from 1,000+ bestselling nonfiction books in just 15 minutes — or even 5. Then go beyond books with bite-sized courses, skill-building lessons, daily challenges, riddles, podcast summaries, and guided sessions for meditation, sleep, relaxation, and focus. Whether you have 5 minutes or an hour, Sumizeit helps you make the most of your time. READ LESS. LEARN MORE. GROW EVERY DAY. WHY SUMIZEIT? Most book summary apps stop at summaries. Sumizeit goes further. Read a book summary on your commute. Take a quick course during lunch. Challenge your brain with a daily riddle. Build a practical skill. Listen to a podcast summary while walking. Or unwind with a guided meditation before bed. One app. More ways to grow. WHAT YOU GET WITH SUMIZEIT • 2,500+ BOOK SUMMARIES Discover the key ideas from bestselling nonfiction books including Atomic Habits, The Lean Startup, Thinking, Fast and Slow, The 4-Hour Workweek, and hundreds more. • 10,000+ PODCASt SUMMARIES Get comprehensive summaries of your favorite podcasts episodes. • 5 & 15-MINUTE SUMMARIES Short on time? Choose between quick 5-minute summaries and more detailed 15-minute versions. • TEXT, AUDIO, VIDEO & INFOGRAPHICS Learn your way. Read, listen, watch, or explore visual summaries. • BITE-SIZED COURSES Go beyond books with short courses covering fascinating and useful topics. Learn something new without sitting through hours of lectures. • MIND: MEDITATION, SLEEP & FOCUS Learning isn't always about consuming more information. Give your mind time to reset with guided sessions for meditation, relaxation, sleep, focus, and mindfulness. • DAILY CHALLENGES & RIDDLES Exercise your brain every day with quizzes, riddles, interesting questions, and challenges. Earn points, build streaks, and turn learning into a daily habit. • SKILL CARDS Build useful skills through bite-sized lessons and practical exercises. • QUIZZES & EXERCISES Test what you've learned and turn ideas into action with quizzes, exercises, and expert analysis. • PODCAST SUMMARIES Get the biggest ideas and takeaways from popular podcast episodes in minutes. • PERSONALIZED RECOMMENDATIONS Tell us your interests and goals, and we'll help you discover what to learn next. • HIGHLIGHTS & NOTES Save important ideas, highlight passages, and build your own personal knowledge library. • COMMUNITY Discuss books, exchange ideas, and learn with other curious people. • SEND TO KINDLE Send summaries directly to your Kindle and read wherever you prefer. • DARK MODE Enjoy a comfortable reading experience day or night. • NEW CONTENT EVERY WEEK New summaries and learning experiences are added regularly. MAKE 5 MINUTES COUNT Read a summary. Learn a new skill. Take a course. Solve a riddle. Test your knowledge. Discover a podcast. Meditate. Relax before bed. Sumizeit turns the small moments in your day into opportunities to learn, think, grow, and recharge. WHAT REVIEWERS ARE SAYING "It's like Spark Notes for adults." — Mashable "An incredibly easy way to absorb the biggest of thoughts." — Cult of Mac "An excellent tool for those looking to expand their knowledge efficiently." — AppReview360 Start learning today. Terms and Conditions: https://sumizeit.com/terms Privacy Policy: https://sumizeit.com/privacy
Book AI
Access concise summaries of thousands of books in minutes, delivered via AI-powered text or audio. Ideal for busy individuals seeking to expand their knowledge and gain insights from bestsellers across various genres.
- AI-powered book summaries
- Audio summaries with narration
- Thousands of titles across categories
- Quick reading/listening sessions
- Personalized recommendations
- Seamless audio playback
- Curated collections
- Weekly content updates
Read full descriptionHide full description
Discover the power of learning without limits. Our app brings you thousands of professionally crafted book summaries that deliver the core insights from bestselling nonfiction books in just 15 minutes. Whether you're commuting, exercising, or taking a quick break, transform every spare moment into an opportunity for personal growth. Celebrate Father's Day with the Gift of Knowledge: This Father's Day, give dad something truly meaningful. Its the perfect way for fathers to stay sharp, learn new skills, and explore topics they're passionate about. From business strategies and leadership principles to health, mindfulness, and personal finance, dads can access a library designed for men who value continuous improvement. It's the thoughtful gift that keeps giving throughout the year, helping him grow both personally and professionally. Key Features That Make Learning Effortless: • Extensive Library: Access thousands of summaries across business, self-help, psychology, biography, science, productivity, and more • Audio & Text Options: Read summaries or listen hands-free while driving, working out, or doing chores • Quick 15-Minute Format: Get the main ideas and actionable takeaways without spending hours reading • Personalized Recommendations: Discover books tailored to your interests and goals • Curated Collections: Explore themed playlists on leadership, habit formation, financial freedom, and trending topics • Save Favorites: Bookmark summaries for quick reference whenever you need them • Regular Updates: New summaries added weekly from the latest bestsellers and timeless classics What You'll Learn: Dive into summaries of groundbreaking books that cover essential life and career skills. Master productivity techniques that help you accomplish more in less time. Understand the psychology behind successful habits and decision-making. Learn proven business strategies from industry leaders and entrepreneurs. Explore mindfulness practices that reduce stress and improve focus. Discover financial principles that build wealth and security. Gain leadership insights that inspire and motivate teams. Access biographical wisdom from history's most influential figures. Perfect For: • Professionals seeking career advancement and business knowledge • Fathers and parents balancing family time with personal development • Students supplementing their education with practical insights • Entrepreneurs looking for startup and growth strategies • Anyone committed to lifelong learning and self-improvement • Commuters wanting to make travel time productive • Book lovers who want to explore more titles • People preparing for important decisions or life transitions Transform Your Learning Habits: Instead of letting great books sit unread on your wishlist, start absorbing their wisdom today. Build a sustainable learning routine that fits your lifestyle. Whether you have five minutes or fifty, we adapt to your schedule, ensuring that personal growth never takes a backseat to a busy life. Download now and unlock a world of knowledge that fits in your pocket. Start your journey toward becoming the well-read, knowledgeable person you've always wanted to be. Your future self will thank you for the investment you make in learning today. Terms of use - http://thecookbk.com/terms.php?appname=com.rstream.booksummaries Privacy Policy - http://thecookbk.com/privacy.php?appname=com.rstream.booksummaries
Screenshots
Verdict
The clearest difference is rating: Sumizeit at 4.5 against Book AI's 4.1. Sumizeit also leads on update cadence (every 4 days vs every 3 weeks) and review sentiment (78% vs 55%). On price, ads, in-app purchases and monetization model 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. Sumizeit sells 19 in-app purchases, starting at $0.99 per year and Book AI sells 8 in-app purchases, starting at $11.49 per month. Whichever you choose, the download price is not the number that matters.
Sumizeit holds the better App Store score, 4.5 against 4.1. Both are backed by a comparable volume of ratings — 282 and 57 respectively. Written reviews point the same way: 78% of Sumizeit's written reviews are positive against 55% of Book AI's.
Sumizeit ships an update every 4 days, Book AI every 3 weeks. Both last shipped on October 29, 2026.
| Parameter | Sumizeit | Book AI |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (282 ratings) — better | 4.1 (57 ratings) |
| Positive reviews | 77.8% of reviews — better | 54.5% of reviews |
| Number of ratings | 282 — better | 57 |
| Update frequency | Every 4 days — better | Every 3 weeks |
| Ads | No | No |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod | iPhone, iPad, Apple Watch |
| Requires iOS | 15.1 — better | 16.6 |
| Further details — not scored | ||
| Size | 59 MB | 102 MB |
| Age rating | 4+ | 4+ |
| Developer | Scomy Inc | Riafy Technologies Pvt. Ltd. |
Customer experience
Sumizeit
Book AI
Bugs and requests
Sumizeit
Reported bugs
8 issues- Crashes when opening Challenges
- Crashes when bookmarking
- Crashes when selecting interests
- App crashes immediately on various actions
- Login with Gmail not working
Show 3 moreShow fewer
- Account not updating from free to lifetime
- Dark mode not functioning correctly
- Summaries oversimplified, missing key information
Requested features
2 requests- More video summaries
- Sign In with Apple
Book AI
Not enough reviews yet to summarise bugs or requests.
In-app purchases
Sumizeit
- Sumizeit Yearly Subscription$0.991 Year
- Sumizeit Monthly Subscription$0.991 Month
- SumizeitMonthly$4.991 Month
Show 11 moreShow fewer
- Sumizeit Monthly Subscription$4.991 Month
- Sumizeit Monthtly Subscription$5.991 Month
- Sumizeit Monthly$6.991 Month
- Sumizeit Yearly Subscription$7.991 Year
- Sumizeit Premium Monthly$12.991 Month
- SumizeItYearlySubscription$24.991 Year
- Sumizeit Yearly 50% off$24.991 Year
- Sumizeit Yearly Subscription$39.991 Year
- Subscription Annual $39.99$39.991 Year
- Sumizeit Yearly Subscription$49.991 Year
- Sumizeit Yearly Subscription$69.001 Year
- Intelligence Type Test Results$0.99
- 20 Infographics$9.99
- 20+ Infographics$19.99
Show 2 moreShow fewer
- Sumizeit Lifetime Subscription$69.99
- Sumizeit Lifetime$99.99
Book AI
- Book Summaries Monthly$11.491 Month
- Book Summaries Monthly Trial3 Days trial$11.491 Month
- Book Summaries Half Yearly$24.996 Months
Show 4 moreShow fewer
- Book Summaries Six month Trial3 Days trial$24.996 Months
- Book Summaries Yearly Trial3 Days trial$29.991 Year
- Book Summaries Discounted1 Month trial$39.996 Months
- Book Summaries Yearly$49.991 Year
- 7 days premium$2.99








