Sumizeit vs LitNotes
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
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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
LitNotes
This AI-powered learning platform transforms books into efficient learning experiences with personalized paths. It offers audio summaries, chapter-by-chapter insights, and key takeaways to help users learn faster and retain more information for personal and professional growth.
- AI-powered learning paths
- 15-minute audio overviews
- Chapter-by-chapter insights
- Audiobook and text formats
- Personalized growth plans
- AI reading companion
- 100,000+ book library
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Unlock More Growth in Less Time LitNotes is an AI-powered reading and audio learning app that helps adults, kids, and teens learn faster from books through structured book insights, audiobook-style listening, personalized learning paths, and interactive AI support. Instead of traditional book summaries, LitNotes turns books into clear, efficient learning experiences designed to help you make real progress in work, life, productivity, mindset, and well-being. Now with Youth Access for Ages 8-14 LitNotes now includes Youth reading content for kids and teens ages 8-14, with age-right versions of bestselling books and big ideas designed for growing readers. It helps families turn screen time into more meaningful reading time while supporting reading habits, vocabulary, and curiosity. With one subscription, you can now access: - Adult learning content - Youth reading content for ages 8-14 - Text + audio learning - AI-powered reading support - A growing library of 1,000,000+ books Why LitNotes - Learn faster with structured book insights - Build personalized growth paths with AI - Read or listen anytime/ Switch between text and audio learning - Turn screen time into more meaningful learning - Access Adult + Youth content in one place - Help growing readers build stronger reading habits Whether you’re looking for an AI learning app, book summaries, audiobook-style learning, a reading app for kids, educational screen time, or a smarter way to grow through books, LitNotes helps you and your family get more from every minute. Terms of Service: https://static.altauri.org/litnotes/html/terms.html Privacy Policy: https://static.altauri.org/litnotes/html/privacy.html Questions or suggestions? Contact us at: support@litnotes.ai
Screenshots
Verdict
The clearest difference is ads: Sumizeit at none against LitNotes's shown. Sumizeit also leads on update cadence (every 4 days vs every 2 weeks) and ratings volume (282 vs 26). LitNotes's advantage is review sentiment (93% vs 78%). On price, rating, 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 LitNotes sells 7 in-app purchases, starting at $14.99 per month. Whichever you choose, the download price is not the number that matters.
On the App Store both sit at effectively the same score — 4.5 for Sumizeit against 4.6 for LitNotes. That said, the two scores are not equally well evidenced: Sumizeit has 282 ratings behind it against 26, so its average is the more settled of the two. Written reviews are what separate them: 78% of Sumizeit's written reviews are positive against 93% of LitNotes's.
Sumizeit ships an update every 4 days, LitNotes every 2 weeks. The most recent releases landed on November 2, 2026 and October 22, 2026 respectively.
| Parameter | Sumizeit | LitNotes |
|---|---|---|
| Price | Free | Free |
| Rating | 4.5 (282 ratings) | 4.6 (26 ratings) — better |
| Positive reviews | 77.8% of reviews | 92.9% of reviews — better |
| Number of ratings | 282 — better | 26 |
| Update frequency | Every 4 days — better | Every 2 weeks |
| Ads | No — better | Yes |
| In-app purchases | Yes | Yes |
| Monetization | Free with in-app purchases | Free with in-app purchases |
| Devices | iPhone, iPad, iPod — better | iPhone, iPod |
| Requires iOS | 15.1 | 15.1 |
| Further details — not scored | ||
| Size | 59 MB | 54 MB |
| Age rating | 4+ | 4+ |
| Developer | Scomy Inc | Altauri, Inc. |
Customer experience
Sumizeit
LitNotes
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
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- 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
LitNotes
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
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- 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
LitNotes
- LitNotes - Monthly$14.991 Month
- LitNotes - Yearly - discount$59.991 Year
- LitNotes - Yearly - offer$79.991 Year
Show 4 moreShow fewer
- LitNotes - Yearly - Family D2$79.991 Year
- LitNotes - Yearly - Family D1$99.991 Year
- LitNotes - Yearly$129.991 Year
- LitNotes - Yearly - Family$149.991 Year









