WFS400 vs GREYHOUND
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
WFS400
This application allows you to disarm your vehicle's anti-theft immobilizer using your smartphone. It offers automatic unlocking when you approach your car and supports pairing multiple phones or wireless transmitters.
- Smartphone-based immobilizer disarming
- Automatic car unlocking via proximity
- Pair up to 8 phones or transmitters
- Background operation
- PIN code backup
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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.
GREYHOUND
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Mit der App für die CRM- und DMS-Software GREYHOUND hast du die gesamte (Kunden-)Kommunikation, alle Belege und Dokumente sowie sämtliche Informationen Deines Unternehmens auch mobil am Start und vor allem in Sekundenschnelle durchsuchbar. Verfolge unterwegs, was in den Teams und Abteilungen passiert. Weise Vorgänge anderen Bearbeitern zu, gib Rechnungen frei oder lehne sie ab. Hilf mit deinen Anmerkungen an Vorgängen anderen Nutzern bei der Bearbeitung oder beantworte Kundenanfragen einfach stressfrei selbst. Mit der GREYHOUND App hast du dein mobiles Büro auf dem Smartphone oder Tablet immer dabei. Zur Nutzung dieser App ist GREYHOUND ab Version 5 erforderlich.
Screenshots
Verdict
The clearest difference is update cadence: WFS400 at fortnightly against GREYHOUND's every 5 weeks. WFS400 also leads on iOS requirement (10.0 vs 16.6). On price, ads, in-app purchases and device support there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Neither carries in-app purchases, so what you see is what you pay.
WFS400 ships an update fortnightly, GREYHOUND every 5 weeks. The most recent releases landed on October 24, 2026 and October 15, 2026 respectively.
| Parameter | WFS400 | GREYHOUND |
|---|---|---|
| Price | Free | Free |
| Rating | 1.0 (1 ratings) — better | — |
| Positive reviews | 0.0% of reviews | — |
| Number of ratings | 1 — better | — |
| Update frequency | Fortnightly — better | Every 5 weeks |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | — |
| Devices | iPhone, iPod | iPhone, iPad |
| Requires iOS | 10.0 — better | 16.6 |
| Further details — not scored | ||
| Size | 27 MB | 23 MB |
| Age rating | 4+ | 4+ |
| Developer | SEO Electronics s.c. | GREYHOUND Software GmbH |
In-app purchases
WFS400
No in-app purchases
GREYHOUND
No in-app purchases









