MQTee vs Monkeytail

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/

Monkeytail is a native API client and request debugger for iPhone, iPad, Mac and Apple Vision Pro, with a compact Apple Watch companion for favourite requests. No Monkeytail account or sign-in. • Organise workspaces, each with its own collections, environments and globals, in a sidebar tree of nested folders. Move requests and folders by dragging them. • Import cURL, Postman, Insomnia, Bruno, Hoppscotch, Thunder Client, HAR, .http files and OpenAPI or Swagger JSON/YAML. • Share headers, authentication, variables and scripts across folders. Postman-style pm scripts and tests run unchanged, with CryptoJS, lodash and moment. • Use OAuth 2.0 with PKCE, OAuth 1.0, JWT, Digest, API keys, Basic, Bearer and AWS Signature V4. • Run whole collections with data files and export reports. Generate client code in 13 languages. • Edit GraphQL queries and variables, and inspect WebSocket and SSE messages. • Format JSON, browse a tree, search, check responses with visual tests, and preview images, audio, video, hex or binary data. • Save and compare responses, create offline mocks, and manage cookies and client certificates. Inspect timings, redirects and TLS details. • Choose a theme, your own light and dark colours, and interface and code fonts. • Use Monkeytail in English, Spanish, French, Japanese, Korean or Simplified Chinese. • Sync with iCloud Drive and choose proxies. Browser TLS and HTTP/2 profiles are available on iPhone, iPad and Mac. Free, with no in-app purchases, analytics, tracking or data collection by Kitta Co. Requests go to servers and proxies you choose. Keychain storage is optional, and you choose whether credentials join iCloud sync. Cookies, client certificates and upload files stay on your device. Requires iOS 17 or macOS 14 or later. Client certificate import on Mac requires macOS 15.