Comparison

Principles In Action vs Exponential Mastery

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

Head to head
About

Principles In Action

Explore life and work principles from a renowned investor through interactive case studies, video footage, and assessments. Discover personalized guidance and compare insights with friends to achieve your goals.

Highlights
  • Interactive case studies
  • Behind-the-scenes video footage
  • PrinciplesYou Assessment
  • Personality test
  • Daily principle from Ray
  • Digital 'Coach' for principle guidance
  • Personal principle development section
Features
Read full description

Principles In Action is a free app that brings to life Ray Dalio’s best-selling book Principles: Life & Work. It combines the complete text of the book with behind-the-scenes video footage and interactive case studies of the principles in action during his time leading Bridgewater Associates Ray is one of the world’s most successful investors and entrepreneurs, and he’s sharing the unconventional principles that helped him create unique results in life and business because he believes they can help any person or organization better achieve their goals. In addition to the book and supporting cases, the app also includes: • Take the PrinciplesYou Assessment in app to view results and add friends to compare. • Compare your assessment with your friends and see their results. • Read Ray's latest articles and reflections on the economy and markets. • Daily principle from Ray to help you get more out work and life. • Highlighted case-of-the-week and related principles. • Search function across all content in the app, including the full set of principles. • Converse with Digital Ray, Ray's AI twin which has been trained on tens of thousands of items from Ray's content library. • Dedicated section in the app for you to highlight, favorite, develop and record your own and others’ principles. • Additional content from Ray including studies on economics along with regular long form articles published on social media. Principles: Life & Work has been recommended by Bill Gates, Arianna Huffington, Marc Benioff, Mark Cuban, Mike Bloomberg, Gwyneth Paltrow, Kevin Systrom, Jamie Dimon, and others.

About

Exponential Mastery

Master exponential technologies and bold thinking with frameworks and insights from top leaders. Learn to predict breakthroughs, launch moonshot projects, and connect with a community building the future. Prepare to lead in a rapidly changing world.

Highlights
  • Exponential Primer Course
  • Access to Thought Leaders
  • Cutting-Edge AI Tools
  • Purpose-Driven Entrepreneurship
  • Networking Opportunities
  • Moonshot Project Strategies
Read full description

Step Into the Future—Master Exponential Technologies & Bold Thinking Join the Exponential Mastery membership and gain access to the frameworks, tools, and insights used by the world’s top CEOs, entrepreneurs, and investors. Led by Peter Diamandis and a world-class network of innovators, this program will help you think exponentially, act boldly, and prepare for the future. Learn how to predict technological breakthroughs using the 6 Ds of Exponential Growth, discover how to launch moonshot projects, and connect with a purpose-driven community that’s building the future. Prepare to lead the world that’s coming, not the one that exists today. What You’ll Unlock: • 15-Hour Exponential Primer Course: Build a strong foundation in exponential technologies and growth frameworks. • Exclusive Access to Thought Leaders: Insights from pioneers in AI, robotics, synthetic biology, and more. • Cutting-Edge Tools: AI tools to accelerate your learning and decision-making. • Purpose-Driven Entrepreneurship: Mindsets and strategies to create impact and abundance. • Networking Opportunities: Engage with innovators and bold thinkers shaping the future. Whether you're scaling a startup, investing in emerging industries, or building the next moonshot, Exponential Mastery will give you the tools to stay ahead and lead boldly. To access all features and content you can subscribe to Exponential Mastery on a yearly basis with an auto-renewing subscription right inside the app.* Pricing can vary by region and will be confirmed before purchase in the app. In app subscriptions will automatically renew at the end of their cycle. * All payments will be paid through your iTunes Account and may be managed under Account Settings after the initial payment. Subscription payments will automatically renew unless deactivated at least 24-hours before the end of the current cycle. Your account will be charged for renewal at least 24-hours prior to the end of the current cycle. Any unused portion of your free trial will be forfeited upon payment. Cancellations are incurred by disabling auto-renewal. Terms of Service: https://members.su.org/tos Privacy Policy: https://members.su.org/privacy

Screenshots

Principles In Action4 screens
Exponential Mastery4 screens

Verdict

The call

The clearest difference is monetization model: Principles In Action at free against Exponential Mastery's subscription. Principles In Action also leads on ads (none vs shown) and ratings volume (6.1K vs 41). Exponential Mastery's advantage is review sentiment (100% vs 80%) and device support (4 vs 2). On price, rating, update cadence 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. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

On the App Store both sit at effectively the same score — 4.9 for Principles In Action against 5.0 for Exponential Mastery. That said, the two scores are not equally well evidenced: Principles In Action has 6.1K ratings behind it against 41, so its average is the more settled of the two. Written reviews are what separate them: 80% of Principles In Action's written reviews are positive against 100% of Exponential Mastery's.

UpkeepUpdate frequency

Principles In Action ships an update every 2 months, Exponential Mastery every 4 months. The most recent releases landed on September 24, 2026 and June 10, 2026 respectively.

Scorecard5 real differences · 5 level
Principles In Action versus Exponential Mastery: the parameters behind the verdict, then further details
ParameterPrinciples In ActionExponential Mastery
PriceFreeFree
Rating4.9 (6.1K ratings)5.0 (41 ratings) — better
Positive reviews80.3% of reviews100.0% of reviews — better
Number of ratings6.1K — better41
Update frequencyEvery 2 months — betterEvery 4 months
AdsNo — betterYes
In-app purchasesNoNo
MonetizationFree — betterSubscription
DevicesiPhone, iPadiPhone, iPad, iPod, Apple TV — better
Requires iOS16.015.0 — better
Further details — not scored
Size177 MB67 MB
Age rating9+4+
DeveloperPRIOS, LLCPHD Ventures Inc.

Customer experience

Principles In Action

All ratings6,064 ratings
Positive98.0%
Neutral1.0%
Negative0.9%
Written reviews142 reviews
Positive80.3%
Neutral7.7%
Negative12.0%

Exponential Mastery

All ratings41 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews38 reviews
Positive100.0%
Neutral0.0%
Negative0.0%

Bugs and requests

Principles In Action

Reported bugs

4 issues
  • Frequent crashes
  • Inability to open book or case studies
  • Lost progress and saved data
  • Compatibility issues with older devices

Requested features

4 requests
  • Dark mode option
  • Ability to export user-added principles
  • Improved sync across devices
  • Better integration with book content

Exponential Mastery

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Principles In Action

No in-app purchases

None

Exponential Mastery

No in-app purchases

Questions

Is Principles In Action free?
Principles In Action is free to download, with no in-app purchases.
Is Exponential Mastery free?
Exponential Mastery is free to download, with no in-app purchases.
Which has better reviews, Principles In Action or Exponential Mastery?
Exponential Mastery is rated higher. Principles In Action averages 4.9 out of 5 from 6.1K ratings, while Exponential Mastery averages 5.0 from 41 ratings.
Do Principles In Action or Exponential Mastery have ads?
Exponential Mastery shows ads; Principles In Action does not.
Which is updated more often, Principles In Action or Exponential Mastery?
Principles In Action ships an update every 2 months, and Exponential Mastery every 4 months. Most recently, Principles In Action was updated on September 24, 2026 and Exponential Mastery on June 10, 2026.

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