# DX vs Bluetooth V2.1 SPP Setup

The clearest difference is update cadence: Bluetooth V2.1 SPP Setup at every 2 weeks against DX's every 3 months. 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.

DX ships an update every 3 months, Bluetooth V2.1 SPP Setup every 2 weeks. The most recent releases landed on July 8, 2026 and September 18, 2026 respectively.

## The numbers

| Metric | DX | Bluetooth V2.1 SPP Setup |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/dx-smart/id1641509844/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 3 months | **Every 2 weeks** |
| Monetization | Free | — |
| Size | 9 MB | 18 MB |
| Requires iOS | 13.0 | 13.0 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [官志 周](https://appshunter.io/developer/1633926701) | [FUH CHERNG SHEU](https://appshunter.io/developer/1063937264) |

## What reviewers say

### DX

[App page](https://appshunter.io/ios/app/dx-smart/id1641509844)

This utility app facilitates wireless control and data transmission for smart products via Bluetooth. It allows for device scanning, connection, information reading, and data read/write operations. Users can also filter scanned devices by name and signal strength.

**Highlights:** Device scanning, Device connection, Device information reading, Data read and write, Filter devices by name and RSSI, Wireless control

**Features:** macOS Compatibility

**In-app purchases:** none


### 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


## Frequently asked questions

### Is DX free?

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

### Is Bluetooth V2.1 SPP Setup free?

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

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

Neither DX nor Bluetooth V2.1 SPP Setup shows ads.

### Which is updated more often, DX or Bluetooth V2.1 SPP Setup?

DX ships an update every 3 months, and Bluetooth V2.1 SPP Setup every 2 weeks. Most recently, DX was updated on July 8, 2026 and Bluetooth V2.1 SPP Setup on September 18, 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.*