# B. Expert vs CCAS Marcel

The clearest difference is update cadence: CCAS Marcel at every 3 weeks against B. Expert's every 3 months. 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.

B. Expert ships an update every 3 months, CCAS Marcel every 3 weeks. The most recent releases landed on September 18, 2026 and September 22, 2026 respectively.

## The numbers

| Metric | B. Expert | CCAS Marcel |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 3 weeks** |
| Size | 66 MB | 68 MB |
| Requires iOS | 15.5 | 15.5 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 17+ |
| Developer | [B. Braun Melsungen AG](https://appshunter.io/developer/391340906) | [Caisse Centrale d'Activités Sociales du Personnel des Industries Électrique et Gazière](https://appshunter.io/developer/547924369) |

## What reviewers say

### B. Expert

[App page](https://appshunter.io/ios/app/b-expert/id1556593108)

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

**In-app purchases:** none


### CCAS Marcel

[App page](https://appshunter.io/ios/app/ccas-marcel/id6737889461)

**In-app purchases:** none


## Frequently asked questions

### Is B. Expert free?

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

### Is CCAS Marcel free?

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

### Do B. Expert or CCAS Marcel have ads?

Neither B. Expert nor CCAS Marcel shows ads.

### Which is updated more often, B. Expert or CCAS Marcel?

B. Expert ships an update every 3 months, and CCAS Marcel every 3 weeks. Most recently, B. Expert was updated on September 18, 2026 and CCAS Marcel on September 22, 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.*