Comparison

Principles In Action vs Mindcraeft

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

Mindcraeft

Features
Read full description

What is Mindcræft? Mindcræft is a decision-support tool that applies game theory, AI, and reflective prompts to help you make clearer, more strategic life choices. It’s part game, part coach, part thought-partner — and fully yours. Whether you're navigating personal dilemmas, ethical gray zones, or professional decisions, Mindcræft gives you tools to: - Frame your dilemma clearly - Simulate how different people might act - Understand your incentives and risks - Reflect on what matters most to you Note: Full Mindcraeft app experience requires a subscription. Privacy Policy: https://mindcraeft.com/privacy Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Principles In Action4 screens
Mindcraeft4 screens

Verdict

The call

The clearest difference is in-app purchases: Principles In Action at none against Mindcraeft's 3. Principles In Action also leads on ads (none vs shown) and iOS requirement (16.0 vs 18.0). Mindcraeft's advantage is update cadence (every 5 days vs every 3 months). On price and device support 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. Mindcraeft sells 3 in-app purchases, starting at $7.99 per 7 days. Principles In Action asks for nothing beyond the download.

UpkeepUpdate frequency

Principles In Action ships an update every 3 months, Mindcraeft every 5 days. The most recent releases landed on October 22, 2026 and October 7, 2026 respectively.

Scorecard4 real differences · 6 level
Principles In Action versus Mindcraeft: the parameters behind the verdict, then further details
ParameterPrinciples In ActionMindcraeft
PriceFreeFree
Rating4.9 (6.1K ratings) — better—
Positive reviews80.3% of reviews—
Number of ratings6.1K — better—
Update frequencyEvery 3 monthsEvery 5 days — better
AdsNo — betterYes
In-app purchasesNo — betterYes
MonetizationFree—
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size180 MB50 MB
Age rating9+4+
DeveloperPRIOS, LLCChooChoo Works, Inc.

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

Mindcraeft

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Principles In Action

No in-app purchases

3 purchases

Mindcraeft

Subscriptions3
  • Mindcraeft Weekly$7.997 Days
  • Mindcraeft Monthly$24.991 Month
  • Mindcraeft Annual Subscription$249.991 Year

Questions

Is Principles In Action free?
Principles In Action is free to download, with no in-app purchases.
Is Mindcraeft free?
Mindcraeft is free to download, with in-app purchases available.
Do Principles In Action or Mindcraeft have ads?
Mindcraeft shows ads; Principles In Action does not.
Which is updated more often, Principles In Action or Mindcraeft?
Principles In Action ships an update every 3 months, and Mindcraeft every 5 days. Most recently, Principles In Action was updated on October 22, 2026 and Mindcraeft on October 7, 2026.

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