# MQTT BLE Bridge vs NX Control

The clearest difference is rating: NX Control at 5.0 against MQTT BLE Bridge's 1.0. MQTT BLE Bridge's advantage is iOS requirement (13.0 vs 15.0). On price, ratings volume, update cadence and ads there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

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

MQTT BLE Bridge ships an update monthly, NX Control every 6 weeks. The most recent releases landed on October 25, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | MQTT BLE Bridge | NX Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [1.0 (1 ratings)](https://appshunter.io/ios/app/mqtt-ble-bridge/id6754366224/reviews) | **[5.0 (2 ratings)](https://appshunter.io/ios/app/nx-control/id6796787363/reviews)** |
| Number of ratings | 1 | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 6 weeks |
| Monetization | — | Free |
| Size | 19 MB | 18 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Troy Gustafson](https://appshunter.io/developer/633226131) | [GSSI Geophysical Survey Systems, Inc.](https://appshunter.io/developer/6796787366) |

## What reviewers say

### MQTT BLE Bridge

[App page](https://appshunter.io/ios/app/mqtt-ble-bridge/id6754366224)

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

**In-app purchases:** none


### NX Control

[App page](https://appshunter.io/ios/app/nx-control/id6796787363)

This application transforms your iPhone or iPad into a control and display for GSSI NX-series ground penetrating radar systems. It allows for live data collection, in-field interpretation with target marking and calibration, and project organization with photo attachments.

**Highlights:** Live 2D radar profiles, Quick Scan for single-line collection, Target marking with distance/depth, Depth calibration, Gain tuning, Project organization, Attach photos to scans

**In-app purchases:** none


## Frequently asked questions

### Is MQTT BLE Bridge free?

MQTT BLE Bridge is free to download, with no in-app purchases.

### Is NX Control free?

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

### Which has better reviews, MQTT BLE Bridge or NX Control?

NX Control is rated higher. MQTT BLE Bridge averages 1.0 out of 5 from 1 ratings, while NX Control averages 5.0 from 2 ratings.

### Do MQTT BLE Bridge or NX Control have ads?

Neither MQTT BLE Bridge nor NX Control shows ads.

### Which is updated more often, MQTT BLE Bridge or NX Control?

MQTT BLE Bridge ships an update monthly, and NX Control every 6 weeks. Most recently, MQTT BLE Bridge was updated on October 25, 2026 and NX Control 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.*