# Particle Detector vs Tracking Device Detector

The clearest difference is review sentiment: Particle Detector at 100% against Tracking Device Detector's 50%. Particle Detector also leads on in-app purchases (none vs 2) and device support (3 vs 1). Tracking Device Detector's advantage is rating (4.7 vs 4.0) and ratings volume (193 vs 1). On price and ads there is nothing between them.

Both are free to download. Tracking Device Detector sells 2 in-app purchases, starting at $9.99 per 7 days. Particle Detector asks for nothing beyond the download.

Tracking Device Detector holds the better App Store score, 4.7 against 4.0. That said, the two scores are not equally well evidenced: Tracking Device Detector has 193 ratings behind it against 1, so its average is the more settled of the two. Written reviews complicate that: 100% of Particle Detector's written reviews are positive against 50% of Tracking Device Detector's, so the app with the better star average is not the one people write more warmly about.

Particle Detector ships an update every 2 months, Tracking Device Detector every 3 weeks. The most recent releases landed on October 6, 2026 and October 19, 2026 respectively.

## The numbers

| Metric | Particle Detector | Tracking Device Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [4.0 (1 ratings)](https://appshunter.io/ios/app/particle-detector/id724226138/reviews) | **[4.7 (193 ratings)](https://appshunter.io/ios/app/tracking-device-detector-ble/id6748611590/reviews)** |
| Number of ratings | 1 | **193** |
| Positive reviews | **100.0% of reviews** | 50.0% of reviews |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 3 weeks** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 3 MB | 1 MB |
| Requires iOS | **7.0** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [KS Technologies](https://appshunter.io/developer/423792118) | [Samuel Ippisch](https://appshunter.io/developer/1766642673) |

## What reviewers say

### Particle Detector

[App page](https://appshunter.io/ios/app/particle-detector/id724226138)

This utility app transforms your iOS device into a wireless scanner for iBeacon™ and Eddystone beacons. It displays detailed information like UUID, Major ID, signal strength, and battery life for discovered beacons. The app can log beacon data even when running in the background.

**Highlights:** Wireless Bluetooth Low Energy scanner, Detects iBeacon™ and Eddystone beacons, Displays Major ID, Minor ID, and Signal Strength, Shows Eddystone beacon URL and battery life, Supports UUID filters for quick discovery, Background logging of beacon data

**Features:** macOS Compatibility

**In-app purchases:** none


### Tracking Device Detector

[App page](https://appshunter.io/ios/app/tracking-device-detector-ble/id6748611590)

Discover hidden Bluetooth devices that may be tracking your location. This app scans for unknown signals, identifies risks, and helps you locate them using real-time signal strength. Stay informed about unwanted Bluetooth monitoring to protect your privacy and security.

**Highlights:** Scan for unknown Bluetooth signals, Identify potential tracking devices, Locate devices with signal strength, Real-time proximity alerts, Distance estimation, Privacy and security protection

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Weekly Pro | $9.99 | per 7 days |
| Yearly Pro / 1 Week Free Trial | $39.99 | per year |


## Frequently asked questions

### Is Particle Detector free?

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

### Is Tracking Device Detector free?

Tracking Device Detector is free to download, with in-app purchases available.

### Which has better reviews, Particle Detector or Tracking Device Detector?

Tracking Device Detector is rated higher. Particle Detector averages 4.0 out of 5 from 1 ratings, while Tracking Device Detector averages 4.7 from 193 ratings.

### Do Particle Detector or Tracking Device Detector have ads?

Neither Particle Detector nor Tracking Device Detector shows ads.

### Which is updated more often, Particle Detector or Tracking Device Detector?

Particle Detector ships an update every 2 months, and Tracking Device Detector every 3 weeks. Most recently, Particle Detector was updated on October 6, 2026 and Tracking Device Detector on October 19, 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.*