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/
