Comparison

Principles In Action vs Below Me

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

Below Me

This app uses your device's camera to show you countries and geographical features on the other side of the Earth. It provides a live augmented reality view of borders, sea names, and distances, allowing you to explore the planet from your current location or simulate others.

Highlights
  • Live AR view of country borders
  • Distance and direction readouts
  • Offline functionality
  • Simulate locations worldwide
  • Detailed geographical relief
  • Day-night line visualization
Features
Read full description

What's on the other side of the horizon? Point your iPhone or iPad at the horizon, tilt it down, and Below Me shows you the countries that lie beyond the curve of the Earth, as if you could look straight through the planet. Below Me isn't a map. It's a window. Every border you see is placed where it really is from where you stand: computed on the WGS84 ellipsoid with great-circle math and projected through the Earth along your line of sight. Tilt further and the countries get farther away. Point straight down and you're looking at your antipode. FEATURES • Live AR view: country borders, sea names, a labelled 10° grid and distance labels floating over your camera image • Crosshair readout: which country or sea you're looking at, how far away it is and in which direction • Info panel you can fold away to a small tag for a clear view • Mini globe showing your position and line of sight, drag it to spin • Outdoor mode that dims the camera for bright daylight • Colour tints for land and seas, thin or bold borders • Choose kilometers or miles • English and German • Works offline. No account, no tracking, no internet needed FREE Explore everything within 5,000 km of where you stand. PRO – ONE-TIME PURCHASE • Whole Earth: range up to 20,000 km, all the way to your antipode • Place search: any country, 34,000 cities offline or any place worldwide via Apple Maps. Up to five red markers, and an arrow guides you there through the Earth • Relief: mountains, shelves and deep-sea trenches as coloured, shaded terrain • Your exact antipode, marked in yellow straight below your feet • Fine borders and coastlines (Natural Earth 1:10M, five times more detail) • Home marker: a red dot shows where home is when you travel • Major cities with distance • Local time at the point you're looking at • Country info card: outline, capital, area, population, currency, calling code, languages • Live day-night line and the sun through the Earth: tilt down at night and see where it's shining right now • Simulate a location: explore the Earth from New York, Tokyo or anywhere else Buy once, keep forever. Family Sharing included. No subscription. For the curious, travellers, teachers, pilots, sailors and anyone who has ever stood on a beach and wondered what lies out there. Requires an iPhone or iPad (iOS 18 or later).

Screenshots

Principles In Action4 screens
Below Me4 screens

Verdict

The call

The clearest difference is in-app purchases: Principles In Action at none against Below Me's 1. Principles In Action also leads on ratings volume (6.1K vs 1) and iOS requirement (16.0 vs 18.0). Below Me's advantage is update cadence (daily vs every 3 months). On price, rating, ads 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. Below Me sells 1 one-off in-app purchase. Principles In Action asks for nothing beyond the download.

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 Below Me. That said, the two scores are not equally well evidenced: Principles In Action has 6.1K ratings behind it against 1, so its average is the more settled of the two.

UpkeepUpdate frequency

Principles In Action ships an update every 3 months, Below Me daily. The most recent releases landed on October 24, 2026 and October 10, 2026 respectively.

Scorecard5 real differences · 5 level
Principles In Action versus Below Me: the parameters behind the verdict, then further details
ParameterPrinciples In ActionBelow Me
PriceFreeFree
Rating4.9 (6.1K ratings)5.0 (1 ratings) — better
Positive reviews80.3% of reviews—
Number of ratings6.1K — better1
Update frequencyEvery 3 monthsDaily — better
AdsNoNo
In-app purchasesNo — betterYes
MonetizationFree — betterFree with in-app purchases
DevicesiPhone, iPadiPhone, iPad
Requires iOS16.0 — better18.0
Further details — not scored
Size180 MB32 MB
Age rating9+4+
DeveloperPRIOS, LLCMarc Bachmann

Customer experience

Principles In Action

All ratings6,065 ratings
Positive98.0%
Neutral1.1%
Negative0.9%
Written reviews142 reviews
Positive80.3%
Neutral7.7%
Negative12.0%

Below Me

All ratings1 ratings
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

Below Me

Not enough reviews yet to summarise bugs or requests.

In-app purchases

None

Principles In Action

No in-app purchases

1 purchases

Below Me

One-time1
  • Below Me Pro Version$3.99

Questions

Is Principles In Action free?
Principles In Action is free to download, with no in-app purchases.
Is Below Me free?
Below Me is free to download, with in-app purchases available.
Which has better reviews, Principles In Action or Below Me?
Below Me is rated higher. Principles In Action averages 4.9 out of 5 from 6.1K ratings, while Below Me averages 5.0 from 1 ratings.
Do Principles In Action or Below Me have ads?
Neither Principles In Action nor Below Me shows ads.
Which is updated more often, Principles In Action or Below Me?
Principles In Action ships an update every 3 months, and Below Me daily. Most recently, Principles In Action was updated on October 24, 2026 and Below Me on October 10, 2026.

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