# 5BN app vs Atemprotokoll

The clearest difference is update cadence: Atemprotokoll at every 10 days against 5BN app's every 2 months. Atemprotokoll also leads on iOS requirement (15.6 vs 17.0). 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.

5BN app ships an update every 2 months, Atemprotokoll every 10 days. The most recent releases landed on October 24, 2026 and October 8, 2026 respectively.

## The numbers

| Metric | 5BN app | Atemprotokoll |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/5bn-app/id6754896929/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 10 days** |
| Monetization | Freemium | — |
| Size | 97 MB | 34 MB |
| Requires iOS | 17.0 | **15.6** |
| Devices | iPhone, iPad, Mac | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Studienkreis 5BN](https://appshunter.io/developer/1850835209) | [Ulrich Coenen](https://appshunter.io/developer/6772607659) |

## What reviewers say

### 5BN app

[App page](https://appshunter.io/ios/app/5bn-app/id6754896929)

Explore the 5 Biological Laws of Nature based on a bestseller. Access an organ atlas, experience archives, and search through extensive content. A free trial is available, with an annual license for full access.

**Highlights:** Organ atlas access, Experience archive integration, Full-text search, Linked programs and cross-references, Favorites and history, Customizable interface

**In-app purchases:** none


### Atemprotokoll

[App page](https://appshunter.io/ios/app/atemprotokoll/id6772607657)

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

**In-app purchases:** none


## Frequently asked questions

### Is 5BN app free?

5BN app is free to download, with no in-app purchases.

### Is Atemprotokoll free?

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

### Do 5BN app or Atemprotokoll have ads?

Neither 5BN app nor Atemprotokoll shows ads.

### Which is updated more often, 5BN app or Atemprotokoll?

5BN app ships an update every 2 months, and Atemprotokoll every 10 days. Most recently, 5BN app was updated on October 24, 2026 and Atemprotokoll on October 8, 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.*