# buhl vs i

The clearest difference is review sentiment: i at 100% against buhl's 42%. i also leads on update cadence (every 4 months vs every 81 months). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

buhl ships an update every 81 months, i every 4 months. The most recent releases landed on October 9, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | buhl | i |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (2 ratings)](https://appshunter.io/ios/app/i-kfz/id6742321547/reviews)** |
| Number of ratings | — | **2** |
| Positive reviews | 42.1% of reviews | **100.0% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 81 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 3 MB | 67 MB |
| Requires iOS | **16.6** | 17.0 |
| Devices | **iPhone, iPad** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Buhl Data Service GmbH](https://appshunter.io/developer/366800332) | [Kraftfahrt-Bundesamt](https://appshunter.io/developer/1797752881) |

## What reviewers say

### buhl

[App page](https://appshunter.io/ios/app/buhlauthenticator/id1488937773)

This app generates security codes (tokens) for two-factor authentication (2FA). It adds an extra layer of security to your accounts, ensuring only you can access your data even if your password is compromised. It supports the TOTP method for various services.

**Highlights:** Two-factor authentication (2FA), Automatic security code generation, Enhanced account security, Supports TOTP method, Protects buhl:Konto and other services

**Features:** Vision Pro support

**In-app purchases:** none


### 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


## Frequently asked questions

### Is buhl free?

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

### Is i free?

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

### Do buhl or i have ads?

Neither buhl nor i shows ads.

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

buhl ships an update every 81 months, and i every 4 months. Most recently, buhl was updated on October 9, 2026 and i on October 16, 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.*