# mDevice vs Signal Watch Guard

The clearest difference is update cadence: Signal Watch Guard at weekly against mDevice's fortnightly. mDevice's advantage is iOS requirement (15.0 vs 18.6). 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.

mDevice ships an update fortnightly, Signal Watch Guard weekly. The most recent releases landed on October 30, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | mDevice | Signal Watch Guard |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/signal-watch-guard/id6801983545/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Fortnightly | **Weekly** |
| Monetization | — | Free |
| Size | 96 MB | 3 MB |
| Requires iOS | **15.0** | 18.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 12+ | 4+ |
| Developer | [Anshika Maurya](https://appshunter.io/developer/1787701644) | [Hacking Things LLC](https://appshunter.io/developer/6782716206) |

## What reviewers say

### mDevice

[App page](https://appshunter.io/ios/app/mdevice/id6756008873)

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

**In-app purchases:** none


### Signal Watch Guard

[App page](https://appshunter.io/ios/app/signal-watch-guard/id6801983545)

This app acts as a private radar for nearby Bluetooth Low Energy devices. It alerts you when specific devices you're watching for appear, logs all detected devices, and allows for detailed inspection of their broadcast data. All processing happens on your device for maximum privacy.

**Highlights:** Watchlist alerts for specific devices, Real-time detection of all nearby Bluetooth advertisers, Detailed device inspection with raw data, Precise, all-fields matching for alerts, Sightings log with date, time, and signal details, Optional location saving for sightings, Export/import sightings log as CSV

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

**In-app purchases:** none


## Frequently asked questions

### Is mDevice free?

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

### Is Signal Watch Guard free?

Signal Watch Guard is free to download, with no in-app purchases.

### Do mDevice or Signal Watch Guard have ads?

Neither mDevice nor Signal Watch Guard shows ads.

### Which is updated more often, mDevice or Signal Watch Guard?

mDevice ships an update fortnightly, and Signal Watch Guard weekly. Most recently, mDevice was updated on October 30, 2026 and Signal Watch Guard on October 31, 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.*