The best ideas in your pocket!

Change your life today!

Key takeaways from the world’s best nonfiction books in text and audio

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What is Sumizeit?

Sumizeit connects readers worldwide to the biggest ideas from bestselling business and self-help books via 10-minute audio, video and text to help them excel in their career and learn new skills.

Why Sumizeit?

Key insights in a few minutes

Do you have 10 minutes? Absorb the knowledge of the great authors and best sellers in the world.

Excel in your career

Introducing the Cliff Notes for real world knowledge. We bring you the best business and self help book titles delivered in bite sized pieces.

New content each week

Expand your horizons on a busy schedule: Our experts add new book summaries in text, audio, and video format each week on a wide range of topics.

Curious? Try for free

The first three summaries are free. Feel free to browse around. When you're ready, upgrade.

Try for free  
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man reading

Curious? Try for free

The first three summaries are free. Feel free to browse around. When you're ready, upgrade.

Try for free  

Available in Audio, Video, & text formats

listen to audio book or read nonfiction book summary

Listen to and read nonfiction book summaries anytime, anywhere.

Available on Android, iPhone and Desktop

Easily stay up to date with unlimited access to your favorite book titles on multiple devices.

Use sumizeit on multiple devices, iPhone, iPad, desktop
Sumizeit's corporate solution

Looking for a corporate solution?

Build your dream team in record time. Personalize leadership courses specific to your company values. For more information, please visit our teams page.

#1 source of book summaries

Discover the books that will change your life.

Our book summaries bring the key ideas of each of them so you can choose better and even know where to go deeper.

Unf*ck Yourself: Get Out of Your Head and Into Your Life
10% Happier
10X Rule
13 Things Mentally Strong People Don't Do
Shoe Dog
Elon Musk
The New One Minute Manager
Too Big to Fail
The 7 Habits of Highly Effective People
The Culture Code


  • "The Spark Notes for Adults"


  • This app is user friendly and also the books summaries are very helpful. It saved me a lot of time.

    - Ella M, NY

  • Perfect for those who follow the 80/20 principle. I recommend you grab the 1 year sub.

    - Blaine B, FL

  • Nice app to get the key points of all the books you want to read. Maybe there should be an option to listen to the summaries. That would make in 5 stars.

    - Erica A, OH

Customer testimonials

Start your journey with Sumizeit

Try Sumizeit for free, and explore our large library of amazing books. We’re here to support your personal and professional growth.