# Principles In Action vs DigitalRay

The clearest difference is rating: Principles In Action at 4.9 against DigitalRay's 4.2. Principles In Action also leads on ratings volume (6.1K vs 10) and review sentiment (80% vs 67%). DigitalRay's advantage is update cadence (monthly vs every 2 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Principles In Action holds the better App Store score, 4.9 against 4.2. That said, the two scores are not equally well evidenced: Principles In Action has 6.1K ratings behind it against 10, so its average is the more settled of the two. Written reviews point the same way: 80% of Principles In Action's written reviews are positive against 67% of DigitalRay's.

Principles In Action ships an update every 2 months, DigitalRay monthly. The most recent releases landed on September 24, 2026 and September 21, 2026 respectively.

## The numbers

| Metric | Principles In Action | DigitalRay |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.1K ratings)](https://appshunter.io/ios/app/principles-in-action/id1211294305/reviews)** | [4.2 (10 ratings)](https://appshunter.io/ios/app/digitalray/id6503427270/reviews) |
| Number of ratings | **6.1K** | 10 |
| Positive reviews | **80.3% of reviews** | 66.7% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Monthly** |
| Monetization | Free | Free |
| Size | 177 MB | 33 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | iPhone, iPod |
| Age rating | 9+ | 4+ |
| Developer | [PRIOS, LLC](https://appshunter.io/developer/1211294304) | [VR OPCO LTD](https://appshunter.io/developer/1742619279) |

## What reviewers say

### Principles In Action

[App page](https://appshunter.io/ios/app/principles-in-action/id1211294305)

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:** macOS Compatibility, Vision Pro support

**In-app purchases:** none

**What reviewers like**

- 💡 Excellent content and resources
- 👍 Helpful for self-development and growth
- 🚀 Seamless integration with book
- 🤩 Life-changing insights

**What reviewers complain about**

- 🐛 Crashes and loading issues
- 🔒 Privacy concerns with data sharing
- 🔍 Difficulty accessing saved progress
- ⏱️ Slow app performance

**Reported bugs**

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

**Requested features**

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


### DigitalRay

[App page](https://appshunter.io/ios/app/digitalray/id6503427270)

Access personalized coaching and guidance based on Ray Dalio's principles for personal development, problem-solving, and decision-making. Learn to enhance self-awareness, manage people effectively, and navigate entrepreneurship with practical insights.

**Highlights:** Personalized coaching, Goal setting and career development, Problem-solving and decision-making, Self-awareness and mistake management, People and talent management, Entrepreneurship and business guidance

**In-app purchases:** none


## Frequently asked questions

### Is Principles In Action free?

Principles In Action is free to download, with no in-app purchases.

### Is DigitalRay free?

DigitalRay is free to download, with no in-app purchases.

### Which has better reviews, Principles In Action or DigitalRay?

Principles In Action is rated higher. Principles In Action averages 4.9 out of 5 from 6.1K ratings, while DigitalRay averages 4.2 from 10 ratings.

### Do Principles In Action or DigitalRay have ads?

Neither Principles In Action nor DigitalRay shows ads.

### Which is updated more often, Principles In Action or DigitalRay?

Principles In Action ships an update every 2 months, and DigitalRay monthly. Most recently, Principles In Action was updated on September 24, 2026 and DigitalRay on September 21, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*