# Filbox vs KlarBrief

The clearest difference is in-app purchases: Filbox at none against KlarBrief's 5. Filbox also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.

Both are free to download. KlarBrief sells 5 in-app purchases, starting at $2.99 per month. Filbox asks for nothing beyond the download.

Both ship on a similar rhythm, roughly every 2 months. Both last shipped on September 17, 2026.

## The numbers

| Metric | Filbox | KlarBrief |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | Every 2 months |
| Size | 12 MB | 11 MB |
| Requires iOS | **16.0** | 17.6 |
| Devices | **iPhone, iPad, Mac** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Administrator Systems](https://appshunter.io/developer/999375979) | [Maximilian Graf von Korff](https://appshunter.io/developer/1874647045) |

## What reviewers say

### Filbox

[App page](https://appshunter.io/ios/app/filbox/id1005690830)

**In-app purchases:** none


### KlarBrief

[App page](https://appshunter.io/ios/app/klarbrief/id6759174297)

**Features:** Family Sharing

**In-app purchases (5)**

| Purchase | Price | Billing |
| --- | --- | --- |
| KlarBrief Starter | $2.99 | per month |
| KlarBrief Pro | $3.99 | per month |
| KlarBrief Starter (Yearly) | $24.99 | per year |
| KlarBrief Pro (Yearly) | $39.90 | per year |
| Full Version | $149.99 | one-time |


## Frequently asked questions

### Is Filbox free?

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

### Is KlarBrief free?

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

### Do Filbox or KlarBrief have ads?

Neither Filbox nor KlarBrief shows ads.

### Which is updated more often, Filbox or KlarBrief?

Filbox ships an update every 2 months, and KlarBrief every 2 months. Most recently, Filbox was updated on September 17, 2026 and KlarBrief on September 17, 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.*