# PassBoard vs Grey

The clearest difference is update cadence: PassBoard at every 2 weeks against Grey's every 5 weeks. On price, ads, in-app purchases and device support there is nothing between them.

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

PassBoard ships an update every 2 weeks, Grey every 5 weeks. The most recent releases landed on October 24, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | PassBoard | Grey |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/grey-matter/id6793108037/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 weeks** | Every 5 weeks |
| Monetization | — | Free |
| Size | 93 MB | 97 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Raje3 LLC](https://appshunter.io/developer/1682359879) | [Saifuldeen Al-Bajjari](https://appshunter.io/developer/6776365056) |

## What reviewers say

### PassBoard

[App page](https://appshunter.io/ios/app/passboard-study-smarter/id6765770250)

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

**In-app purchases:** none


### Grey

[App page](https://appshunter.io/ios/app/grey-matter/id6793108037)

This platform helps medical students study efficiently with organized question banks and an intuitive interface. It offers theoretical and practical learning, smart exam modes, and detailed explanations to prepare students for exams. Track your progress and personalize your study experience for confident exam preparation.

**Highlights:** Comprehensive medical question banks, Theoretical and practical learning, Smart exam modes, Detailed explanations, Performance analytics, Personalized study experience, Cloud synchronization

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

**In-app purchases:** none


## Frequently asked questions

### Is PassBoard free?

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

### Is Grey free?

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

### Do PassBoard or Grey have ads?

Neither PassBoard nor Grey shows ads.

### Which is updated more often, PassBoard or Grey?

PassBoard ships an update every 2 weeks, and Grey every 5 weeks. Most recently, PassBoard was updated on October 24, 2026 and Grey on October 7, 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.*