# BLU by Gentec vs Hotel Device Detector

The clearest difference is rating: Hotel Device Detector at 5.0 against BLU by Gentec's 1.0. BLU by Gentec's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 4 months). On price, ratings volume, ads and device support there is nothing between them.

Both are free to download. Hotel Device Detector sells 2 in-app purchases, starting at $4.99 per 7 days. BLU by Gentec asks for nothing beyond the download.

Hotel Device Detector holds the better App Store score, 5.0 against 1.0. Both are backed by a comparable volume of ratings — 2 and 1 respectively.

BLU by Gentec ships an update monthly, Hotel Device Detector every 4 months. The most recent releases landed on June 1, 2026 and July 6, 2026 respectively.

## The numbers

| Metric | BLU by Gentec | Hotel Device Detector |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (2 ratings)](https://appshunter.io/ios/app/blu-by-gentec-eo/id1234761344/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/hotel-device-detector/id6743341811/reviews)** |
| Number of ratings | **2** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | **Monthly** | Every 4 months |
| Monetization | **Free** | Subscription |
| Size | 49 MB | 60 MB |
| Requires iOS | **10.3** | 15.6 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Gentec-EO inc.](https://appshunter.io/developer/1234761343) | [果 贾](https://appshunter.io/developer/1790768200) |

## What reviewers say

### BLU by Gentec

[App page](https://appshunter.io/ios/app/blu-by-gentec-eo/id1234761344)

This app connects to an all-in-one detector and meter via Bluetooth, allowing users to view measurement results on their mobile device. It offers a safer work environment with remote monitoring capabilities and a compact, portable design.

**Highlights:** Bluetooth connectivity, Remote measurement display, Safer work environment, Compact and portable design, Long battery life (up to 5 days), Reduced recalibration costs

**Features:** macOS Compatibility

**In-app purchases:** none


### Hotel Device Detector

[App page](https://appshunter.io/ios/app/hotel-device-detector/id6743341811)

This app helps you scan and understand nearby wireless activity, including Wi-Fi, Bluetooth, and infrared signals. It provides insights into your environment, making it useful for checking hotel rooms, bathrooms, or any unfamiliar location to enhance your digital awareness.

**Highlights:** Wireless Signal Scanning (Wi-Fi & Bluetooth), Smart Signal Insights, Bluetooth Device Viewer, Infrared Signal Detection, Environmental Awareness

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| weekly subscription | $4.99 | per 7 days |
| monthly membership | $9.99 | per month |


## Frequently asked questions

### Is BLU by Gentec free?

BLU by Gentec is free to download, with no in-app purchases.

### Is Hotel Device Detector free?

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

### Which has better reviews, BLU by Gentec or Hotel Device Detector?

Hotel Device Detector is rated higher. BLU by Gentec averages 1.0 out of 5 from 2 ratings, while Hotel Device Detector averages 5.0 from 1 ratings.

### Do BLU by Gentec or Hotel Device Detector have ads?

Neither BLU by Gentec nor Hotel Device Detector shows ads.

### Which is updated more often, BLU by Gentec or Hotel Device Detector?

BLU by Gentec ships an update monthly, and Hotel Device Detector every 4 months. Most recently, BLU by Gentec was updated on June 1, 2026 and Hotel Device Detector on July 6, 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.*