# WFS300 vs Arrk

The clearest difference is update cadence: Arrk at every 5 days against WFS300's every 3 months. WFS300's advantage is iOS requirement (8.0 vs 16.4). 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.

WFS300 ships an update every 3 months, Arrk every 5 days. The most recent releases landed on October 16, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | WFS300 | Arrk |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 31.3% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 5 days** |
| Monetization | Free | — |
| Size | 14 MB | 49 MB |
| Requires iOS | **8.0** | 16.4 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [Ampire](https://appshunter.io/developer/1174992687) | [Alessandro Mazzon](https://appshunter.io/developer/6800514553) |

## What reviewers say

### WFS300

[App page](https://appshunter.io/ios/app/wfs300-bt/id1174992688)

This application simplifies vehicle security by allowing your iPhone to act as a key. Simply enable the phone-tag feature, and your car will automatically disarm when your iPhone is nearby, even when in sleep mode. All communication is encrypted for enhanced security.

**Highlights:** Automatic vehicle disarming, iPhone as a key, Encrypted communication, No PIN code required, Works in sleep mode

**Features:** macOS Compatibility

**In-app purchases:** none


### Arrk

[App page](https://appshunter.io/ios/app/arrk/id6800514551)

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

**In-app purchases:** none


## Frequently asked questions

### Is WFS300 free?

WFS300 is free to download, with no in-app purchases.

### Is Arrk free?

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

### Do WFS300 or Arrk have ads?

Neither WFS300 nor Arrk shows ads.

### Which is updated more often, WFS300 or Arrk?

WFS300 ships an update every 3 months, and Arrk every 5 days. Most recently, WFS300 was updated on October 16, 2026 and Arrk on October 24, 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.*