# Kammerfuchs vs Filament Box

The clearest difference is update cadence: Filament Box at weekly against Kammerfuchs's every 2 weeks. On price, ads, in-app purchases and device support there is nothing between them.

Both are free to download. Kammerfuchs sells 1 one-off in-app purchase and Filament Box sells 1 one-off in-app purchase. Whichever you choose, the download price is not the number that matters.

Kammerfuchs ships an update every 2 weeks, Filament Box weekly. The most recent releases landed on October 4, 2026 and October 25, 2026 respectively.

## The numbers

| Metric | Kammerfuchs | Filament Box |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 2 weeks | **Weekly** |
| Size | 12 MB | 3 MB |
| Requires iOS | 18.0 | **17.0** |
| Devices | iPhone | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Mirko Laudel](https://appshunter.io/developer/1878461842) | [Andrea Spotorno](https://appshunter.io/developer/1895638453) |

## What reviewers say

### Kammerfuchs

[App page](https://appshunter.io/ios/app/kammerfuchs/id6759402313)

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

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kammerfuchs Pro | $6.99 | one-time |


### Filament Box

[App page](https://appshunter.io/ios/app/filament-box/id6764668265)

**Features:** macOS Compatibility, Family Sharing

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Filament Box premium | $3.99 | one-time |


## Frequently asked questions

### Is Kammerfuchs free?

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

### Is Filament Box free?

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

### Do Kammerfuchs or Filament Box have ads?

Neither Kammerfuchs nor Filament Box shows ads.

### Which is updated more often, Kammerfuchs or Filament Box?

Kammerfuchs ships an update every 2 weeks, and Filament Box weekly. Most recently, Kammerfuchs was updated on October 4, 2026 and Filament Box 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.*