# Bluetooth V2.1 SPP Setup vs NX Control

The clearest difference is iOS requirement: Bluetooth V2.1 SPP Setup at 13.0 against NX Control's 15.0. 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.

## The numbers

| Metric | Bluetooth V2.1 SPP Setup | NX Control |
| --- | --- | --- |
| Price | Free | Free |
| Rating | — | **[5.0 (1 ratings)](https://appshunter.io/ios/app/nx-control/id6796787363/reviews)** |
| Number of ratings | — | **1** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 2 weeks | — |
| Monetization | — | Free |
| Size | 18 MB | 18 MB |
| Requires iOS | **13.0** | 15.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [FUH CHERNG SHEU](https://appshunter.io/developer/1063937264) | [GSSI Geophysical Survey Systems, Inc.](https://appshunter.io/developer/6796787366) |

## What reviewers say

### Bluetooth V2.1 SPP Setup

[App page](https://appshunter.io/ios/app/bluetooth-v21-spp-setup/id6449416841)

**Features:** 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 Bluetooth V2.1 SPP Setup free?

Bluetooth V2.1 SPP Setup is free to download, with no in-app purchases.

### Is NX Control free?

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

### Do Bluetooth V2.1 SPP Setup or NX Control have ads?

Neither Bluetooth V2.1 SPP Setup nor NX Control shows ads.

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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.*