# diBlue vs Heights ES Spray Controller

The clearest difference is update cadence: diBlue at monthly against Heights ES Spray Controller's every 3 months. diBlue also leads on device support (3 vs 1) and iOS requirement (15.0 vs 18.0). On price, ads and in-app purchases 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, Heights ES Spray Controller every 3 months. The most recent releases landed on November 6, 2026 and October 24, 2026 respectively.

## The numbers

| Metric | diBlue | Heights ES Spray Controller |
| --- | --- | --- |
| 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 3 months |
| Monetization | Free | — |
| Size | 1 MB | 3 MB |
| Requires iOS | **15.0** | 18.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [DongGuan DESHIDE TECHNOLOGY CO.,LTD](https://appshunter.io/developer/1718185095) | [Cole Troester](https://appshunter.io/developer/1834414589) |

## 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


### Heights ES Spray Controller

[App page](https://appshunter.io/ios/app/heights-es-spray-controller/id6751279193)

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is diBlue free?

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

### Is Heights ES Spray Controller free?

Heights ES Spray Controller is free to download, with no in-app purchases.

### Do diBlue or Heights ES Spray Controller have ads?

Neither diBlue nor Heights ES Spray Controller shows ads.

### Which is updated more often, diBlue or Heights ES Spray Controller?

diBlue ships an update monthly, and Heights ES Spray Controller every 3 months. Most recently, diBlue was updated on November 6, 2026 and Heights ES Spray Controller 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.*