My MQTT Explorer

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!