# 24RHEIN vs First Derivative

The clearest difference is in-app purchases: 24RHEIN at none against First Derivative's 9. 24RHEIN also leads on device support (3 vs 1). First Derivative's advantage is update cadence (every 2 weeks vs every 3 weeks). On price, ads and iOS requirement there is nothing between them.

Both are free to download. First Derivative sells 9 in-app purchases, starting at $1.99 per month. 24RHEIN asks for nothing beyond the download.

24RHEIN ships an update every 3 weeks, First Derivative every 2 weeks. Both last shipped on October 25, 2026.

## The numbers

| Metric | 24RHEIN | First Derivative |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 3 weeks | **Every 2 weeks** |
| Monetization | — | Free with in-app purchases |
| Size | 115 MB | 72 MB |
| Requires iOS | **15.6** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 12+ | 12+ |
| Developer | [Ippen Digital GmbH & Co. KG](https://appshunter.io/developer/329667368) | [Edvard Bjarnason](https://appshunter.io/developer/1540586411) |

## What reviewers say

### 24RHEIN

[App page](https://appshunter.io/ios/app/24rhein/id1576164847)

**Features:** macOS Compatibility

**In-app purchases:** none


### First Derivative

[App page](https://appshunter.io/ios/app/first-derivative/id6758227291)

This app analyzes global events and situations across geopolitics, markets, and risk. It models over 2,000 events daily from 100,000 articles to provide structured, forward-looking analysis with probable outcomes. Designed for decision-makers seeking context over noise.

**Highlights:** Daily event modeling from 100,000 articles, Structured analysis of situations, Forward-looking scenarios with probabilities, System dynamics modeling, Global risk radar, 14-day free trial

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

**In-app purchases (9)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Ad-Free | $1.99 | per month |
| Analytics | $4.99 | per month |
| Ad-free + Analytics | $4.99 | per month |
| Ad-free | $19.99 | per year |
| Analytics | $49.99 | per year |
| Ad-free + Analytics | $49.99 | per year |
| Credits 20 | $9.99 | one-time |
| Credits 50 | $19.99 | one-time |
| Credits 100 | $34.99 | one-time |


## Frequently asked questions

### Is 24RHEIN free?

24RHEIN is free to download, with no in-app purchases.

### Is First Derivative free?

First Derivative is free to download, with in-app purchases available.

### Do 24RHEIN or First Derivative have ads?

Neither 24RHEIN nor First Derivative shows ads.

### Which is updated more often, 24RHEIN or First Derivative?

24RHEIN ships an update every 3 weeks, and First Derivative every 2 weeks. Most recently, 24RHEIN was updated on October 25, 2026 and First Derivative on October 25, 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.*