# GASSI vs RudelRadar

The clearest difference is in-app purchases: RudelRadar at none against GASSI's 2. RudelRadar also leads on update cadence (daily vs every 2 days). On price, ads, device support and iOS requirement there is nothing between them.

Both are free to download. GASSI sells 2 in-app purchases, starting at $2.99 per month. RudelRadar asks for nothing beyond the download.

GASSI ships an update every 2 days, RudelRadar daily. The most recent releases landed on October 22, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | GASSI | RudelRadar |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 2 days | **Daily** |
| Size | 41 MB | 6 MB |
| Requires iOS | 15.1 | **15.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 17+ | 4+ |
| Developer | [Fabian Welke](https://appshunter.io/developer/6778550150) | [Melanie Bohm](https://appshunter.io/developer/6797191853) |

## What reviewers say

### GASSI

[App page](https://appshunter.io/ios/app/gassi-o/id6778550148)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Monatsabo | $2.99 | per month |
| Jahresabo | $17.99 | per year |


### RudelRadar

[App page](https://appshunter.io/ios/app/rudelradar/id6797191851)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is GASSI free?

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

### Is RudelRadar free?

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

### Do GASSI or RudelRadar have ads?

Neither GASSI nor RudelRadar shows ads.

### Which is updated more often, GASSI or RudelRadar?

GASSI ships an update every 2 days, and RudelRadar daily. Most recently, GASSI was updated on October 22, 2026 and RudelRadar on October 24, 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.*