My MQTT Explorer
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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!
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!
Updated on
Safety starts with understanding how developers collect and share your data. Data privacy and security practices may vary based on your use, region, and age. The developer provided this information and may update it over time.
No data shared with third parties
Learn more about how developers declare sharing
No data collected
Learn more about how developers declare collection
What’s new
App now with favorites feature!
- You can now create favorite buttons to quickly send MQTT messages (On/Off buttons)
- App is now multilingual: English, French, Spanish, Italian, Dutch, Russian
App support
About the developer
Marcel Klein
support@app-create.at
Austria
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