MQTee
Native MQTT 5 Client
About
A native MQTT 5 client for iOS devices that offers a visual topic tree browser, full MQTT 5.0 support, and iCloud sync for seamless connection management. It allows for multi-tab publishing with syntax highlighting and provides a real-time event log for debugging.
What's New in MQTee
1.0
March 5, 2026
Developer apps
FAQ
What is MQTee?
MQTee is a native MQTT 5 client for iPhone and iPad, built with SwiftUI and Rust. It provides advanced features for managing MQTT connections and messages without lag or web views.
Does MQTee support MQTT 5.0 features?
Yes, MQTee offers full support for MQTT 5.0, including shared subscriptions, user properties, no-local, retain handling, session expiry, and more. It also supports MQTT 3.1.1.
How does MQTee handle connection data?
Your MQTT connections and credentials are automatically synced across your iPhone and iPad via iCloud. Credentials are securely stored in iCloud Keychain, ensuring ease of use and security.
Can I publish messages with MQTee?
Yes, MQTee allows for multi-tab publishing per connection. It features JSON syntax highlighting and automatic payload detection for various formats like JSON, XML, hex, and plaintext.
Is MQTee suitable for debugging MQTT workflows?
MQTee includes a structured, real-time event log that can be filtered by level, category, and direction. This feature is ideal for debugging MQTT workflows as they happen.
Can I automate MQTee with other apps?
Yes, MQTee integrates with Apple Shortcuts and Siri. You can automate your MQTT workflows by publishing messages and reading retained values from any app or Siri command.
What are the pricing and limitations of MQTee?
MQTee is completely free to use with no limits, paywalls, or feature gating. All features are available to all users without any cost.
Does MQTee have ads?
No, MQTee does not contain advertisements. It is a free application with no in-app purchases or ads, providing an uninterrupted user experience.