# Principles In Action vs Mindstone

The clearest difference is rating: Principles In Action at 4.9 against Mindstone's 4.0. Principles In Action also leads on in-app purchases (none vs 1) and review sentiment (80% vs 55%). Mindstone's advantage is update cadence (every 8 days vs every 2 months). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. Mindstone sells 1 one-off in-app purchase. Principles In Action asks for nothing beyond the download.

Principles In Action holds the better App Store score, 4.9 against 4.0. That said, the two scores are not equally well evidenced: Principles In Action has 6.1K ratings behind it against 7, 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 55% of Mindstone's.

Principles In Action ships an update every 2 months, Mindstone every 8 days. The most recent releases landed on September 24, 2026 and June 1, 2026 respectively.

## The numbers

| Metric | Principles In Action | Mindstone |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (6.1K ratings)](https://appshunter.io/ios/app/principles-in-action/id1211294305/reviews)** | [4.0 (7 ratings)](https://appshunter.io/ios/app/mindstone/id1550729105/reviews) |
| Number of ratings | **6.1K** | 7 |
| Positive reviews | **80.3% of reviews** | 54.5% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 8 days** |
| Monetization | **Free** | Freemium |
| Size | 177 MB | 174 MB |
| Requires iOS | 16.0 | 16.0 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 9+ | 4+ |
| Developer | [PRIOS, LLC](https://appshunter.io/developer/1211294304) | [Mindstone Learning limited](https://appshunter.io/developer/1550729227) |

## 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


### Mindstone

[App page](https://appshunter.io/ios/app/mindstone/id1550729105)

Learn and master in-demand AI skills for your career and business. Access curated content, join a community of experts, and track your progress with AI-powered insights. Upgrade for personalized coaching and skill certifications.

**Highlights:** Curated AI content library, Community-driven learning, Progress tracking and skill profiles, AI-powered coaching (Pro/Enterprise), Personalized adaptive learning (Pro/Enterprise), Renewable skill badges

**Features:** Apple Wallet

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| AI Competency (self-serve) | $39.99 | one-time |


## Frequently asked questions

### Is Principles In Action free?

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

### Is Mindstone free?

Mindstone is free to download, with in-app purchases available.

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

Principles In Action is rated higher. Principles In Action averages 4.9 out of 5 from 6.1K ratings, while Mindstone averages 4.0 from 7 ratings.

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

Neither Principles In Action nor Mindstone shows ads.

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

Principles In Action ships an update every 2 months, and Mindstone every 8 days. Most recently, Principles In Action was updated on September 24, 2026 and Mindstone on June 1, 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.*