# 55 M vs Atrium Campus

55 M and Atrium Campus are too close to call on the numbers: across 6 compared parameters — price, update cadence, ads and in-app purchases among them — neither pulls far enough ahead to decide it. What separates them is feature set and interface, not measurable difference.

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

55 M ships an update every 2 weeks, Atrium Campus fortnightly. The most recent releases landed on October 4, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | 55 M | Atrium Campus |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Fortnightly** |
| Size | 169 MB | 100 MB |
| Requires iOS | 15.6 | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [55M DC Owner, LLC](https://appshunter.io/developer/1577213741) | [Beacon Capital Partners, LLC](https://appshunter.io/developer/1222117548) |

## What reviewers say

### 55 M

[App page](https://appshunter.io/ios/app/55-m/id1577213739)

**Features:** Apple Wallet, Vision Pro support

**In-app purchases:** none


### Atrium Campus

[App page](https://appshunter.io/ios/app/atrium-campus/id6760367490)

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

**In-app purchases:** none


## Frequently asked questions

### Is 55 M free?

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

### Is Atrium Campus free?

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

### Do 55 M or Atrium Campus have ads?

Neither 55 M nor Atrium Campus shows ads.

### Which is updated more often, 55 M or Atrium Campus?

55 M ships an update every 2 weeks, and Atrium Campus fortnightly. Most recently, 55 M was updated on October 4, 2026 and Atrium Campus on October 6, 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.*