Comparison

Sumizeit vs Insight

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. 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

About

Insight

Access summaries of over 6,000 nonfiction books and apply key ideas to your life. An AI mentor guides reflection, and personalized strategies help build a daily growth habit. Listen to audio summaries on the go.

Highlights
  • Concise book summaries
  • AI-powered reflection questions
  • Actionable strategies for daily life
  • Daily growth habit building
  • Audio summaries for on-the-go listening
  • Personalized book recommendations
Features
Read full description

Unlock the wisdom of 10,000+ nonfiction books — and actually apply it to your life. Insight Books goes beyond simple book summaries. Our Active Learning system helps you absorb key ideas, reflect on what matters to you, and build a daily growth habit that sticks. HOW IT WORKS 1. Get concise book summaries — Each nonfiction summary distills the key insights and wisdom into actionable ideas you can use immediately. 2. Reflect with targeted questions — Our AI mentor asks the right questions to spark deeper understanding and self improvement. 3. Apply insights to your daily life — Receive personalized strategies to turn book wisdom into real life growth, one day at a time. WHY INSIGHT BOOKS? • Actionable Insights, Not Just Summaries Move beyond passive reading. Every summary includes step-by-step strategies to help you improve your productivity, health, relationships, and personal growth. • Your Daily Growth Companion Build a reading habit with daily book summaries and tips. Even 15 minutes a day leads to lasting self improvement. • 10,000+ Nonfiction Books From productivity and mindset to life wisdom and mental models — explore key ideas from the world's best nonfiction authors. • AI-Powered Mentor Guidance Like having a personal mentor who knows every book. Our AI curates insights from the greatest thinkers to guide your growth journey. • Audio Summaries Listen to book summaries on the go. Perfect for your daily commute or workout. • Personalized Recommendations Get book suggestions based on your unique interests, goals, and reading history. • Bonus: Mental Models & Decision-Making Delve into cognitive behavioral techniques, decision-making frameworks, and more to improve every aspect of your life. Start your journey of daily growth with Insight Books — where nonfiction wisdom becomes action. --- Subscription pricing and terms: Insight Books offers an auto-renewing monthly subscription at $6.99/month and an auto-renewing yearly subscription at $35.99/year to provide you with unlimited access while you maintain an active subscription. Payment will be charged to the credit card connected to your iTunes Account when you confirm the initial subscription purchase. Subscriptions automatically renew unless auto-renew is turned off at least 24-hours before the end of the current subscription period. Your account will be charged for renewal within 24-hours prior to the end of the current period. You may manage your subscription and auto-renewal may be turned off by going to your Account Settings after the purchase. Any unused portion of a free trial period, if offered, will be forfeited when you purchase a subscription, where applicable. Terms of service: https://insightbooks.app/terms Privacy policy: https://insightbooks.app/privacy

Screenshots

Sumizeit4 screens
Insight4 screens

Verdict

The call

The clearest difference is update cadence: Sumizeit at every 4 days against Insight's monthly. Sumizeit also leads on review sentiment (78% vs 69%) and ratings volume (282 vs 60). On price, rating, 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sumizeit sells 19 in-app purchases, starting at $0.99 per year and Insight sells 5 in-app purchases, starting at $6.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Sumizeit holds the better App Store score, 4.5 against 4.4. Both are backed by a comparable volume of ratings — 282 and 60 respectively. Written reviews point the same way: 78% of Sumizeit's written reviews are positive against 69% of Insight's.

UpkeepUpdate frequency

Sumizeit ships an update every 4 days, Insight monthly. The most recent releases landed on October 24, 2026 and October 22, 2026 respectively.

Scorecard3 real differences · 7 level
Sumizeit versus Insight: the parameters behind the verdict, then further details
ParameterSumizeitInsight
PriceFreeFree
Rating4.5 (282 ratings) — better4.4 (60 ratings)
Positive reviews77.8% of reviews — better69.2% of reviews
Number of ratings282 — better60
Update frequencyEvery 4 days — betterMonthly
AdsNoNo
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 MB49 MB
Age rating4+4+
DeveloperScomy IncUofHappy, LLC

Customer experience

Sumizeit

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

Insight

All ratings60 ratings
Positive85.0%
Neutral3.3%
Negative11.7%
Written reviews13 reviews
Positive69.2%
Neutral0.0%
Negative30.8%

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

Insight

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
5 purchases

Insight

Subscriptions5
  • Insight Monthly$6.991 Month
  • Insight Journal Monthly$6.991 Month
  • Insight Journal Yearly14 Days trial$35.991 Year
Show 2 more
  • Insight Journal Yearly7 Days trial$35.991 Year
  • Insight Journal Subscription1 Year trial$35.991 Year

Questions

Is Sumizeit free?
Sumizeit is free to download, with in-app purchases available.
Is Insight free?
Insight is free to download, with in-app purchases available.
Which has better reviews, Sumizeit or Insight?
Sumizeit is rated higher. Sumizeit averages 4.5 out of 5 from 282 ratings, while Insight averages 4.4 from 60 ratings.
Do Sumizeit or Insight have ads?
Neither Sumizeit nor Insight shows ads.
Which is updated more often, Sumizeit or Insight?
Sumizeit ships an update every 4 days, and Insight monthly. Most recently, Sumizeit was updated on October 24, 2026 and Insight on October 22, 2026.

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