# Principles In Action vs Exponential Mastery

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.

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

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.

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.

## The numbers

| Metric | Principles In Action | Exponential Mastery |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.9 (6.1K ratings)](https://appshunter.io/ios/app/principles-in-action/id1211294305/reviews) | **[5.0 (41 ratings)](https://appshunter.io/ios/app/exponential-mastery/id1487838607/reviews)** |
| Number of ratings | **6.1K** | 41 |
| Positive reviews | 80.3% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | **No** | Yes |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | **Free** | Subscription |
| Size | 177 MB | 67 MB |
| Requires iOS | 16.0 | **15.0** |
| Devices | iPhone, iPad | **iPhone, iPad, iPod, Apple TV** |
| Age rating | 9+ | 4+ |
| Developer | [PRIOS, LLC](https://appshunter.io/developer/1211294304) | [PHD Ventures Inc.](https://appshunter.io/developer/1407125915) |

## 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


### Exponential Mastery

[App page](https://appshunter.io/ios/app/exponential-mastery/id1487838607)

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

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