MQTee

MQTee is the only native MQTT 5 client for iPhone and iPad. Built in SwiftUI + Rust. No Electron, no lag, no web views.

Topic Tree Browser

Explore your MQTT topic hierarchy in a visual tree. Search, filter, view payloads inline, and unsubscribe directly from the tree. Color-coded subscriptions

make it easy to track multiple data streams at a glance.

Full MQTT 5.0 Support

Connect with MQTT 3.1.1 or MQTT 5.0. Full support for shared subscriptions, user properties, no-local, retain handling, session expiry, content type, response

topics, correlation data, and message expiry intervals.

iCloud Sync

Your connections sync seamlessly across your iPhone and iPad via iCloud. Credentials are stored securely in iCloud Keychain.

Multi-Tab Publishing

Open multiple publish tabs per connection. JSON syntax highlighting and payload auto-detection (JSON, XML, hex, plaintext).

Real-Time Event Log

Structured event log with filtering by level, category, and direction. Debug MQTT workflows in real time.

Apple Shortcuts & Siri

Automate your MQTT workflows with Apple Shortcuts. Publish messages and read retained values from any app, Siri, or automation.

Session Persistence

Save subscriptions and message history per connection. Auto-resubscribe when reconnecting. Configurable message limits for memory and disk.

Every feature is free. No limits. No paywalls. No feature gating.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/