My MQTT Explorer

App-Create.at

About this app

My MQTT Explorer – Simple IoT Client for Smart Home & More

Free • No Ads • No Online Data Storage

My MQTT Explorer is a lightweight, easy-to-use client for MQTT protocol communication, perfect for:
👉 IoT projects (Smart Home, sensors, ESP32/ESP8266)
👉 MQTT testing (message debugging, topic monitoring)
👉 Raspberry Pi/Arduino development

🔹 Features:
MQTT Communication:
✔ Connect to any MQTT brokers (local or cloud-based)
✔ Subscribe to topics & send messages (QoS 0/1/2 supported)
✔ Simple configuration (server URL, port, username, password)
✔ TLS encryption (for secure connections)

🔹 Practical:
⭐ Favorite buttons – Quickly send MQTT messages (e.g., On/Off buttons for your Smart Home)

🔹 User-Friendly:
🌙 Dark/Light mode (matches system settings)
🌍 Multilingual – Supports English, German, French, Spanish, Italian, Dutch & Russian
🚀 No background processes – Connection only when actively used

🔹 Why this app?
✅ 100% free – No hidden subscriptions or in-app purchases
✅ No ads – Full focus on your MQTT communication
✅ Privacy-friendly – No data stored or shared
✅ Minimalist & fast – Optimized for developers and hobbyists

🔹 Technical Details:
▪️Supports MQTT 3.1.1
▪️TLS encryption (for secure connections)
▪️Custom Client IDs (auto-generated)


📢 Note:
This app was primarily developed to keep my Google Play Developer account active. It's simple but functional – perfect for quick tests or small projects. Feedback is welcome!

What’s new

## Version 1.2.15
- **Background service for MQTT** – App now receives messages even when screen is off
- New notification shows connection status with "Disconnect" button
- Please allow notification & battery optimization permissions