# Cottbus vs Propagation Journal

The clearest difference is in-app purchases: Cottbus at none against Propagation Journal's 2. Cottbus also leads on iOS requirement (13.0 vs 17.0). Propagation Journal's advantage is update cadence (every 5 days vs every 3 months). On price, ads and device support there is nothing between them.

Both are free to download. Propagation Journal sells 2 in-app purchases, starting at $29.99 per year. Cottbus asks for nothing beyond the download.

Cottbus ships an update every 3 months, Propagation Journal every 5 days. The most recent releases landed on October 12, 2026 and October 15, 2026 respectively.

## The numbers

| Metric | Cottbus | Propagation Journal |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Size | 22 MB | 72 MB |
| Requires iOS | **13.0** | 17.0 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [hyperworx](https://appshunter.io/developer/404150106) | [Sardorbek Rakhimov](https://appshunter.io/developer/1663719888) |

## What reviewers say

### Cottbus

[App page](https://appshunter.io/ios/app/cottbus/id449900802)

**Features:** macOS Compatibility

**In-app purchases:** none


### Propagation Journal

[App page](https://appshunter.io/ios/app/propagation-journal/id6759223875)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Propagation Journal Pro | $29.99 | per year |
| Propagation Journal Pro Lifetime | $49.99 | one-time |


## Frequently asked questions

### Is Cottbus free?

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

### Is Propagation Journal free?

Propagation Journal is free to download, with in-app purchases available.

### Do Cottbus or Propagation Journal have ads?

Neither Cottbus nor Propagation Journal shows ads.

### Which is updated more often, Cottbus or Propagation Journal?

Cottbus ships an update every 3 months, and Propagation Journal every 5 days. Most recently, Cottbus was updated on October 12, 2026 and Propagation Journal on October 15, 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.*