# MQTT Checker: MQTT, Connection — MQTT, Connection, Test, Dev

> MQTT, Connection, Test, Dev (iPhone/iPad app by DreamNexus.)

- Source: https://appshunter.io/ios/app/mqtt-checker-mqtt-connection/id6450397057 (this page in markdown: same URL + `.md`)
- Developer: [DreamNexus](https://appshunter.io/developer/1602135238)
- Category: Developer Tools, Reference
- Price: Free
- Age rating: 4+
- Requires: iOS 12.0 · 38 MB
- Languages: American English
- Released: 2023-07-24
- Data updated: 2026-08-17
- User reviews in markdown: https://appshunter.io/ios/app/mqtt-checker-mqtt-connection/id6450397057/reviews.md

## What is MQTT Checker?

MQTT Checker is an amazingly simple application that quickly checks MQTT connections. This app helps users swiftly verify their ability to connect to MQTT servers. Users can easily input essential information such as ServerUrl or IP and ServerPort, and optionally configure ClientID, Broker Name, Topic, and Message.

Key Features:

Swift MQTT Server Connection Verification: MQTT Checker swiftly confirms the ability to connect to MQTT servers by allowing users to input ServerUrl or IP and ServerPort through a user-friendly interface.
Additional Configuration Options: Optionally set ClientID, Broker Name, Topic, and Message to tailor MQTT connection tests to your preferences.
Concise Notifications: Upon successful connection to the MQTT server, clear and concise notifications inform users.
Error Messages on Failure: In case of failed MQTT server connections, display error messages to quickly identify issues.


## Version history (last 5 releases)

### 1.2.1 — 2025-05-26

- Add SSL/TLS connection functionality
- Add connection information saving functionality

### 1.2.0 — 2025-04-18

- UI changes
- Added multilingual support
- Added publish delivery history
- Added topic list
- Stability improvements

### 1.1.2 — 2024-05-28

- Added notification
- UI improvements

### 1.1.1 — 2024-05-27

- Add ID, PW input
- Changed message UI

### 1.1.0 — 2024-05-07

- Publish 메뉴 및 기능 추가
- Subscribe 메뉴 및 기능 추가

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## More apps by DreamNexus

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- [QN Note(Note, Memo)](https://appshunter.io/ios/app/qn-notenote-memo/id6723892968)
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All apps by DreamNexus: https://appshunter.io/developer/1602135238

## Related topics

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-08-17.*