# Purple Patch Hub vs Building a Second Brain

The clearest difference is review sentiment: Purple Patch Hub at 100% against Building a Second Brain's 50%. Purple Patch Hub also leads on rating (4.9 vs 4.7) and ratings volume (71 vs 12). On price, update cadence, ads 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.

Purple Patch Hub holds the better App Store score, 4.9 against 4.7. That said, the two scores are not equally well evidenced: Purple Patch Hub has 71 ratings behind it against 12, so its average is the more settled of the two. Written reviews point the same way: 100% of Purple Patch Hub's written reviews are positive against 50% of Building a Second Brain's.

Purple Patch Hub ships an update every 7 months, Building a Second Brain every 4 months. The most recent releases landed on September 21, 2026 and September 10, 2026 respectively.

## The numbers

| Metric | Purple Patch Hub | Building a Second Brain |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[4.9 (71 ratings)](https://appshunter.io/ios/app/purple-patch-hub/id6503172400/reviews)** | [4.7 (12 ratings)](https://appshunter.io/ios/app/building-a-second-brain/id6744942882/reviews) |
| Number of ratings | **71** | 12 |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 91 MB | 90 MB |
| Requires iOS | 16.4 | 16.4 |
| Devices | iPhone, iPad | iPhone, iPad |
| Age rating | 17+ | 17+ |
| Developer | [Purple Patch Fitness Inc](https://appshunter.io/developer/1502928859) | [Forte Labs, LLC](https://appshunter.io/developer/1810064260) |

## What reviewers say

### Purple Patch Hub

[App page](https://appshunter.io/ios/app/purple-patch-hub/id6503172400)

This app connects performance-minded individuals and athletes with expert insights, education, and a supportive community. Access science-backed strategies for nutrition, training, and mindset to accelerate your performance journey. Engage in discussions and receive accountability to achieve sustained high performance in sports and life.

**Highlights:** Expert-led education on performance, Live and on-demand content, Access to high-performance coaches, Specialized courses for sustained performance, Supportive community connection, Small group expert discussions, Accountability features

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


### Building a Second Brain

[App page](https://appshunter.io/ios/app/building-a-second-brain/id6744942882)

This app helps you manage information overload and achieve your goals through personal knowledge management. Connect with a community focused on productivity and digital organization for a more peaceful and purposeful life.

**Highlights:** PARA Method Mini-Course, Community Hub, Exclusive event invitations, Notetaking and creativity resources, Gateway to comprehensive courses

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Purple Patch Hub free?

Purple Patch Hub is free to download, with no in-app purchases.

### Is Building a Second Brain free?

Building a Second Brain is free to download, with no in-app purchases.

### Which has better reviews, Purple Patch Hub or Building a Second Brain?

Purple Patch Hub is rated higher. Purple Patch Hub averages 4.9 out of 5 from 71 ratings, while Building a Second Brain averages 4.7 from 12 ratings.

### Do Purple Patch Hub or Building a Second Brain have ads?

Neither Purple Patch Hub nor Building a Second Brain shows ads.

### Which is updated more often, Purple Patch Hub or Building a Second Brain?

Purple Patch Hub ships an update every 7 months, and Building a Second Brain every 4 months. Most recently, Purple Patch Hub was updated on September 21, 2026 and Building a Second Brain on September 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.*