Comparison

Sumizeit vs Angles

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

Angles

Access a vast library of non-fiction book summaries across many categories. Get quick insights with flash summaries or dive deep with chapter-by-chapter analysis. Personalized AI recommendations enhance your learning journey.

Highlights
  • AI-powered personalized recommendations
  • Flash summaries for quick insights
  • Deep chapter-by-chapter analysis
  • 200+ non-fiction book summaries
  • Diverse category selection
  • User-friendly interface
Read full description

Discover a world of wisdom with our powerful book summary app! Whether you're short on time or looking for in-depth comprehension, we’ve got you covered. Dive into a vast library of over 200 non-fiction book summaries across diverse categories and experience learning like never before. Features You Will Love: 1. Personalized AI Recommendations: Our intelligent AI tailors daily recommendations to suit your interests and learning goals, making your reading experience personalized and efficient. 2. Flash Summary: Get the essence of a book in just a few minutes! Perfect for a quick knowledge boost during your commute or break. 3. Deep Summary: Delve deep with chapter-by-chapter analysis for a comprehensive understanding. Ideal for those wanting to master the subject. 4. Vast Categories: Choose from an array of categories including Career & Success, Mindfulness & Happiness, Relationships, Science, Tech & Startups, Psychology, Productivity, Management & Leadership, Motivation & Creativity, Money & Markets, Business, Marketing & Sales, Spirituality & Philosophy, and Communication. 5. Easy to Use: User-friendly and intuitive design to make your reading experience seamless and enjoyable. **Why Wait? Start your journey to becoming a better you. Download our app and explore knowledge like never before. Learn quickly, grow continuously, and become the best version of yourself! ———————— • Privacy Policy → https://anglesapp.com/privacy • Terms of Service → https://anglesapp.com/terms

Screenshots

Sumizeit4 screens
Angles3 screens

Verdict

The call

The clearest difference is rating: Angles at 5.0 against Sumizeit's 4.5. Sumizeit's advantage is update cadence (every 3 days vs every 3 weeks) and ratings volume (282 vs 4). 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Sumizeit sells 19 in-app purchases, starting at $0.99 per year and Angles sells 2 in-app purchases, starting at $9.99 per month. Whichever you choose, the download price is not the number that matters.

ReceptionRating · Positive reviews · Number of ratings

Angles 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 4, so its average is the more settled of the two.

UpkeepUpdate frequency

Sumizeit ships an update every 3 days, Angles every 3 weeks. The most recent releases landed on October 6, 2026 and September 16, 2026 respectively.

Scorecard3 real differences · 7 level
Sumizeit versus Angles: the parameters behind the verdict, then further details
ParameterSumizeitAngles
PriceFreeFree
Rating4.5 (282 ratings)5.0 (4 ratings) — better
Positive reviews77.8% of reviews—
Number of ratings282 — better4
Update frequencyEvery 3 days — betterEvery 3 weeks
AdsNoNo
In-app purchasesYesYes
MonetizationFree with in-app purchasesFreemium
DevicesiPhone, iPad, iPod — betteriPhone, iPod
Requires iOS15.115.0 — better
Further details — not scored
Size59 MB6 MB
Age rating4+4+
DeveloperScomy IncFarid Asadi

Customer experience

Sumizeit

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

Angles

All ratings4 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

Angles

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
2 purchases

Angles

Subscriptions2
  • Angles Premium$9.991 Month
  • Angles Premium$47.901 Year

Questions

Is Sumizeit free?
Sumizeit is free to download, with in-app purchases available.
Is Angles free?
Angles is free to download, with in-app purchases available.
Which has better reviews, Sumizeit or Angles?
Angles is rated higher. Sumizeit averages 4.5 out of 5 from 282 ratings, while Angles averages 5.0 from 4 ratings.
Do Sumizeit or Angles have ads?
Neither Sumizeit nor Angles shows ads.
Which is updated more often, Sumizeit or Angles?
Sumizeit ships an update every 3 days, and Angles every 3 weeks. Most recently, Sumizeit was updated on October 6, 2026 and Angles on September 16, 2026.

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