# WFS400 vs PRESense

The clearest difference is update cadence: WFS400 at fortnightly against PRESense's every 2 months. WFS400 also leads on iOS requirement (10.0 vs 15.1). 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.

WFS400 ships an update fortnightly, PRESense every 2 months. The most recent releases landed on June 4, 2026 and September 12, 2026 respectively.

## The numbers

| Metric | WFS400 | PRESense |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 2 months |
| Monetization | Free | — |
| Size | 27 MB | 49 MB |
| Requires iOS | **10.0** | 15.1 |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [SEO Electronics s.c.](https://appshunter.io/developer/1488373392) | [Camlin Limited](https://appshunter.io/developer/1165023713) |

## What reviewers say

### WFS400

[App page](https://appshunter.io/ios/app/wfs400/id1548218818)

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.

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

**Features:** macOS Compatibility

**In-app purchases:** none


### PRESense

[App page](https://appshunter.io/ios/app/presense/id6448051640)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is WFS400 free?

WFS400 is free to download, with no in-app purchases.

### Is PRESense free?

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

### Do WFS400 or PRESense have ads?

Neither WFS400 nor PRESense shows ads.

### Which is updated more often, WFS400 or PRESense?

WFS400 ships an update fortnightly, and PRESense every 2 months. Most recently, WFS400 was updated on June 4, 2026 and PRESense on September 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.*