# WFS400

> Smartphone app for WFS400-SMART vehicle anti-theft immobilizer control. (iPhone/iPad app by SEO Electronics s.c..)

- Source: https://appshunter.io/ios/app/wfs400/id1548218818 (this page in markdown: same URL + `.md`)
- Developer: [SEO Electronics s.c.](https://appshunter.io/developer/1488373392)
- Category: Utilities, Lifestyle
- Price: Free
- Age rating: 4+
- Requires: iOS 10.0 · 27 MB
- Languages: English, German, Ukrainian
- Released: 2021-02-18
- Data updated: 2026-06-04
- Monetization: free
- User reviews in markdown: https://appshunter.io/ios/app/wfs400/id1548218818/reviews.md

## What is WFS400?

WFS400-SMART immobilizer is a modern anti-theft device for your vehicle. From now you can also disarm it using the app.

You can still use a maintenance-free wireless transmitter or PIN code in parallel. You can pair up to 8 phones or wireless transmitters with the immobilizer.

The WFS400-SMART app runs in the background until you close it or turn off the app's functionality. You don't even have to take your phone out of your pocket, all you need to do is get close to your vehicle and the immobilizer will automatically connect to your phone and unlock the car.

The list of supported vehicles is available at www.ampire.de. 

Do you want to have a car secured with WFS400-SMART immobilizer? Contact a car installer in your area.

The application is intended for use with a WFS400-SMART immobilizer.

## Key features

- Smartphone-based immobilizer disarming
- Automatic car unlocking via proximity
- Pair up to 8 phones or transmitters
- Background operation
- PIN code backup

## Recent user reviews (1 of 1)

All indexed reviews: https://appshunter.io/ios/app/wfs400/id1548218818/reviews.md

### 1/5 — Crash

*2026-03-18*

Your app crashes when I start it. iPhone 15 Pro Max.

## Frequently asked questions about WFS400

### How does WFS400 unlock my car?

WFS400 uses Bluetooth to automatically connect to your paired phone when you get close to your vehicle. This proximity-based connection allows the immobilizer to disarm without you needing to take your phone out of your pocket.

### Can I use WFS400 with multiple phones?

Yes, the WFS400-SMART immobilizer can be paired with up to 8 phones or wireless transmitters. This allows multiple users or devices to control the same immobilizer.

### What vehicles are compatible with WFS400?

A list of supported vehicles for the WFS400-SMART immobilizer is available on the manufacturer's website at www.ampire.de. You will need to check this list to confirm compatibility with your car.

### Does WFS400 require an internet connection?

The app primarily uses Bluetooth for communication with the WFS400-SMART immobilizer for unlocking. While an internet connection may be needed for initial setup or updates, it is not required for the core functionality of disarming the immobilizer.

### How do I install WFS400?

The WFS400-SMART immobilizer is an anti-theft device that requires professional installation. You should contact a car installer in your area to have the immobilizer and the app set up for your vehicle.

### Is WFS400 safe for children?

WFS400 has an age rating of 4+, indicating it is suitable for general use. The app itself does not contain content inappropriate for children, but its primary function is vehicle security.

### How often is WFS400 updated?

The latest version of WFS400 is 1.0.3, which was last updated on June 18, 2024. This indicates the app is actively maintained by the developer, SEO Electronics s.c.

### Does WFS400 have ads?

No, WFS400 does not contain advertisements. The app is free to download and use without any interruptions from ads.

## Version history (last 4 releases)

### 1.0.3 — 2024-06-18

The app will now work in background mode.

### 1.0.2 — 2024-06-05

The app will now work in background mode.

### 1.01 — 2021-02-22

Now the app should work even faster!

### 1.0 — 2021-02-18

No release notes.

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## More apps by SEO Electronics s.c.

- [SEO CANblu](https://appshunter.io/ios/app/seo-canblu/id1488373393)
- [SEO CANblu lite](https://appshunter.io/ios/app/seo-canblu-lite/id1548217689)
- [WFS400 lite](https://appshunter.io/ios/app/wfs400-lite/id1548219837)

All apps by SEO Electronics s.c.: https://appshunter.io/developer/1488373392

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-06-04.*