# i vs Messwerk

The clearest difference is update cadence: Messwerk at monthly against i's every 4 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.

i ships an update every 4 months, Messwerk monthly. The most recent releases landed on October 25, 2026 and October 12, 2026 respectively.

## The numbers

| Metric | i | Messwerk |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (3 ratings)](https://appshunter.io/ios/app/i-kfz/id6742321547/reviews)** | — |
| Number of ratings | **3** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 4 months | **Monthly** |
| Monetization | Free | — |
| Size | 67 MB | 7 MB |
| Requires iOS | 17.0 | 17.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Kraftfahrt-Bundesamt](https://appshunter.io/developer/1797752881) | [Jan Eggers](https://appshunter.io/developer/6795667629) |

## What reviewers say

### i

[App page](https://appshunter.io/ios/app/i-kfz/id6742321547)

Manage your vehicle registration documents digitally and securely. View, update, and share your registration certificate from your device, reducing paperwork and providing easy access to important vehicle data.

**Highlights:** Digital vehicle registration document (DFZ), Add DFZ via eID or QR code, Automatic updates and inspection reminders, Share registration documents securely, View vehicle data offline, Delete DFZ and shared versions

**In-app purchases:** none


### Messwerk

[App page](https://appshunter.io/ios/app/messwerk/id6804532010)

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

**In-app purchases:** none


## Frequently asked questions

### Is i free?

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

### Is Messwerk free?

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

### Do i or Messwerk have ads?

Neither i nor Messwerk shows ads.

### Which is updated more often, i or Messwerk?

i ships an update every 4 months, and Messwerk monthly. Most recently, i was updated on October 25, 2026 and Messwerk on October 12, 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.*