MQTee vs Upkr

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/

Keet is your personal API endpoint monitor — a native iOS app that lets you track the health of any HTTP endpoint right from your iPhone. MONITOR EVERYTHING Configure unlimited endpoints with custom headers, bearer token auth, body validation, expected status codes, and request timeouts. Organize them into color-coded groups like Production, Staging, or Dev. KNOW INSTANTLY WHEN THINGS BREAK Get push notifications the moment an endpoint goes down — and when it recovers. Keet runs background checks every 5, 15, or 30 minutes, even when the app is closed. LIVE ACTIVITIES See failing endpoints right on your Dynamic Island and Lock Screen. No need to open the app — glance and know. BEAUTIFUL CHARTS Interactive response time charts with drag-to-inspect and pinch-to-zoom. Track uptime percentages across 24 hours, 7 days, or 30 days. DEVELOPER-FIRST DESIGN Dark mode by default. 15 accent colors. Monospaced data labels. High information density. No clutter, no gamification — pure utility. PRIVACY BY DESIGN All data stays on your device. No cloud sync, no accounts, no tracking. Bearer tokens stored in Keychain, never in plain storage. 9 LANGUAGES English, Spanish, French, German, Italian, Portuguese, Chinese, Japanese, Korean — switchable in-app without restarting. 100% FREE Every feature is unlocked. No ads, no subscriptions, no paywalls. If you find Keet useful, you can leave an optional tip to support development. Perfect for indie developers, freelancers, small teams, and anyone who needs peace of mind about their APIs — without opening a laptop.