# diBlue vs BlueHHT

The clearest difference is update cadence: diBlue at monthly against BlueHHT's every 12 months. BlueHHT's advantage is iOS requirement (13.0 vs 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.

diBlue ships an update monthly, BlueHHT every 12 months. The most recent releases landed on November 6, 2026 and October 31, 2026 respectively.

## The numbers

| Metric | diBlue | BlueHHT |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[2.8 (18 ratings)](https://appshunter.io/ios/app/diblue/id1441528159/reviews)** | — |
| Number of ratings | **18** | — |
| Positive reviews | 40.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Monthly** | Every 12 months |
| Monetization | Free | — |
| Size | 1 MB | 15 MB |
| Requires iOS | 15.0 | **13.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [DongGuan DESHIDE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1718185095) | [Dohmann Engineering Services](https://appshunter.io/developer/401682475) |

## What reviewers say

### diBlue

[App page](https://appshunter.io/ios/app/diblue/id1441528159)

This utility app connects to compatible Bluetooth Low Energy devices and DSD TECH relay modules. It allows users to discover devices, send and receive text or HEX data, and control relay modules. The interface supports multiple languages and stores all data locally without requiring an account or displaying ads.

**Highlights:** Discover and organize BLE devices, Send and receive Text or HEX data, Repeat commands at intervals, Control DSD TECH relay modules, Multi-language interface, Local data storage, Ad-free experience

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

**In-app purchases:** none


### BlueHHT

[App page](https://appshunter.io/ios/app/bluehht/id1551056680)

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

**In-app purchases:** none


## Frequently asked questions

### Is diBlue free?

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

### Is BlueHHT free?

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

### Do diBlue or BlueHHT have ads?

Neither diBlue nor BlueHHT shows ads.

### Which is updated more often, diBlue or BlueHHT?

diBlue ships an update monthly, and BlueHHT every 12 months. Most recently, diBlue was updated on November 6, 2026 and BlueHHT on October 31, 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.*