# Crassus vs Köbig Badplaner

The clearest difference is iOS requirement: Köbig Badplaner at 9.0 against Crassus's 15.1. 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.

Crassus ships an update every 15 months, Köbig Badplaner every 10 months. The most recent releases landed on September 17, 2026 and September 11, 2026 respectively.

## The numbers

| Metric | Crassus | Köbig Badplaner |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 15 months | **Every 10 months** |
| Size | 76 MB | 92 MB |
| Requires iOS | 15.1 | **9.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Crassus GmbH & Co. KG](https://appshunter.io/developer/1475104093) | [ViSoft GmbH](https://appshunter.io/developer/576358205) |

## What reviewers say

### Crassus

[App page](https://appshunter.io/ios/app/crassus/id538410244)

**Features:** macOS Compatibility

**In-app purchases:** none


### Köbig Badplaner

[App page](https://appshunter.io/ios/app/kobig-badplaner/id6445815252)

**In-app purchases:** none


## Frequently asked questions

### Is Crassus free?

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

### Is Köbig Badplaner free?

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

### Do Crassus or Köbig Badplaner have ads?

Neither Crassus nor Köbig Badplaner shows ads.

### Which is updated more often, Crassus or Köbig Badplaner?

Crassus ships an update every 15 months, and Köbig Badplaner every 10 months. Most recently, Crassus was updated on September 17, 2026 and Köbig Badplaner on September 11, 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.*