# Fellen vs Serrig

The clearest difference is update cadence: Fellen at every 2 months against Serrig's every 9 months. 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.

Fellen ships an update every 2 months, Serrig every 9 months. The most recent releases landed on October 13, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Fellen | Serrig |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 9 months |
| Size | 80 MB | 7 MB |
| Requires iOS | 15.0 | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Andy Grothe](https://appshunter.io/developer/1481691467) | [apicodo GmbH](https://appshunter.io/developer/1169099711) |

## What reviewers say

### Fellen

[App page](https://appshunter.io/ios/app/fellen/id6498713652)

**Features:** macOS Compatibility

**In-app purchases:** none


### Serrig

[App page](https://appshunter.io/ios/app/serrig/id6755594816)

**Features:** Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is Fellen free?

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

### Is Serrig free?

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

### Do Fellen or Serrig have ads?

Neither Fellen nor Serrig shows ads.

### Which is updated more often, Fellen or Serrig?

Fellen ships an update every 2 months, and Serrig every 9 months. Most recently, Fellen was updated on October 13, 2026 and Serrig on October 9, 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.*