Comparison

Sumizeit vs BlinkAI

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

Sumizeit is more than a book summary app. It's your all-in-one app for learning, personal growth, and mindfulness. 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 • 1,000+ 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. • 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

About

BlinkAI

Access concise summaries of books across various genres, from self-help to science. Personalized AI recommendations tailor your learning journey, allowing for on-the-go education with offline access. Transform any moment into an opportunity for personal growth.

Highlights
  • Extensive library of book summaries
  • Personalized AI recommendations
  • Offline access to summaries
  • On-the-go learning companion
  • Diverse genre coverage
Read full description

A Library Beyond Limits: Explore an extensive collection of curated book summaries spanning diverse genres – from self-help and business to science and biography. BlinkAI encapsulates the essence of each book, ensuring you access valuable insights without the time commitment of reading the entire work. Effortless Learning, Customized for You: Tailor your learning journey with personalized recommendations based on your preferences. BlinkAI understands your interests and suggests summaries that align with your quest for knowledge. Your unique reading path, powered by our advanced AI algorithms. Elevate Your Mind, Anytime, Anywhere: Whether you're commuting, exercising, or taking a break, BlinkAI is your companion for on-the-go learning. Access summaries offline and elevate your mind wherever life takes you. Transform every moment into an opportunity for growth. Suggestions or questions? Email us at: hoozateam@gmail.com Terms of Use: https://docs.google.com/document/d/e/2PACX-1vRPyOa5hgmuc45mqgqhgGO8cXUDDkNUUnAaOfupJI3lvSpifk03cUUOMK1dZEtkHNBOFVMMA6HPYM1O/pub Privacy Policy: https://docs.google.com/document/d/e/2PACX-1vReQy56aff8cgsPImUbw_MpMMehqKDgv87ro1bUjTJ8AnDrzGUfGc8CtNcKnIDCYnVw7IboWRpriFm5/pub

Screenshots

Sumizeit4 screens
BlinkAI3 screens

Verdict

The call

The clearest difference is rating: BlinkAI at 5.0 against Sumizeit's 4.5. Sumizeit's advantage is ads (none vs shown) and ratings volume (282 vs 3). On price, update cadence, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sumizeit sells 19 in-app purchases, starting at $0.99 per year and BlinkAI sells 3 in-app purchases, starting at $3.99 per 7 days. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

BlinkAI holds the better App Store score, 5.0 against 4.5. That said, the two scores are not equally well evidenced: Sumizeit has 282 ratings behind it against 3, so its average is the more settled of the two.

UpkeepUpdate frequency

Both ship on a similar rhythm, roughly every 3 days. The most recent releases landed on October 14, 2026 and October 19, 2026 respectively.

Scorecard3 real differences · 7 level
Sumizeit versus BlinkAI: the parameters behind the verdict, then further details
ParameterSumizeitBlinkAI
PriceFreeFree
Rating4.5 (282 ratings)5.0 (3 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings282 — better3
Update frequencyEvery 3 daysEvery 3 days
AdsNo — betterYes
In-app purchasesYesYes
MonetizationFree with in-app purchasesFree with in-app purchases
DevicesiPhone, iPad, iPodiPhone, iPad, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size59 MB69 MB
Age rating4+12+
DeveloperScomy IncHOOZA LTD

Customer experience

Sumizeit

All ratings282 ratings
Positive88.7%
Neutral3.2%
Negative8.2%
Written reviews27 reviews
Positive77.8%
Neutral3.7%
Negative18.5%

BlinkAI

All ratings3 ratings
Positive100.0%
Neutral0.0%
Negative0.0%

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 more
  • 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

BlinkAI

Not enough reviews yet to summarise bugs or requests.

In-app purchases

19 purchases

Sumizeit

Subscriptions14
  • Sumizeit Yearly Subscription$0.991 Year
  • Sumizeit Monthly Subscription$0.991 Month
  • SumizeitMonthly$4.991 Month
Show 11 more
  • 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
One-time5
  • Intelligence Type Test Results$0.99
  • 20 Infographics$9.99
  • 20+ Infographics$19.99
Show 2 more
  • Sumizeit Lifetime Subscription$69.99
  • Sumizeit Lifetime$99.99
3 purchases

BlinkAI

Subscriptions3
  • Weekly$3.997 Days
  • Monthly$9.991 Month
  • Annually$39.991 Year

Questions

Is Sumizeit free?
Sumizeit is free to download, with in-app purchases available.
Is BlinkAI free?
BlinkAI is free to download, with in-app purchases available.
Which has better reviews, Sumizeit or BlinkAI?
BlinkAI is rated higher. Sumizeit averages 4.5 out of 5 from 282 ratings, while BlinkAI averages 5.0 from 3 ratings.
Do Sumizeit or BlinkAI have ads?
BlinkAI shows ads; Sumizeit does not.
Which is updated more often, Sumizeit or BlinkAI?
Sumizeit ships an update every 3 days, and BlinkAI every 3 days. Most recently, Sumizeit was updated on October 14, 2026 and BlinkAI on October 19, 2026.

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