Best apps like MQTT Tester

9+ similar apps compared and reviewed

4.4 avg rating
9 free apps
Updated September 2026

Whether you want more options like MQTT Tester or a completely different take on the same concept, our curated list of 9+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.

Top Alternatives to MQTT Tester

Subtext#1

Subtext by Charcoal Design

Simple, elegant text editor
4.5😊(79 ratings)
Free
#90in Developer Tools
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A straightforward text editor for iPhone and iPad, allowing direct creation and editing of files within iCloud. It offers advanced controls for line endings and character encoding, ideal for on-the-go code or data file modifications.

What We Love

  • 👍 Simple and efficient
  • 🚀 Fast and lightweight
  • 🆓 Free and no ads
  • ✨ Clean and intuitive UI
  • 📂 Seamless Files app integration
  • 🔢 Line numbers included
  • 💡 No bloatware
  • 🌍 Works well on iPad
  • 🔒 Privacy-respecting
  • 📝 Great for plain text editing
  • 👆 Easy to use
  • 🌟 Minimalist design
  • 🔄 Supports various encodings
  • 📂 Integrates with iCloud/Dropbox
  • ♿ Accessible with VoiceOver

Room to Improve

  • 🐛 Fails on network drives
  • 🐛 Data corruption risk
  • 🐛 Difficulty unselecting text
  • 🐛 Buggy Chinese input method
  • 🐛 Random capitalization issues
  • 🐛 Large files cause errors
  • 🐛 No cancel option for save/exit
  • 🐛 Picky about file extensions
  • 🐛 Cannot edit non-text files
  • 🐛 Autosave can be problematic
  • 🐛 No always-on tab key
  • 🐛 Default focus to EOF
  • 🐛 Chinese input method errors
  • 🐛 File saving issues
Thermals#3

Thermals by George Garside

Is your phone throttling?
Worth Considering
🛠️ Developer Tools
4.5(28 ratings)
Free
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Monitor your device's thermal state and processor activity to diagnose performance issues. Understand why your phone might be running slowly, charging slowly, or have reduced brightness due to overheating. Export data for further analysis with other development tools.

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4
Dev Utils
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This app provides mobile developers with essential tools to streamline their workflow. It offers timely notifications for OS and Xcode releases, accessibility features, device information, and a reference for HTTP status codes. Customize your experience with themes and app icons.

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Tester - AI Worker
Tester - AI Worker
Tester - AI Worker
Developer AI Agent, Any Task
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Test various APIs directly from your mobile device. Supports REST, GraphQL, WebSockets, and more, with advanced editors and request customization. Share requests easily and manage cookies and history.

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Python IDE & Jupyter – Juno
Python IDE & Jupyter – Juno
Python IDE & Jupyter – Juno
Code editor, notebooks & AI
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This app provides a full-featured Python coding environment for mobile devices. It supports both Python scripts and Jupyter notebooks, offering offline execution, code completion, and access to popular data science libraries.

Python script and Jupyter notebook supportOffline code executionCode completion and console
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HTML Editor
HTML Editor
HTML Editor
by Intrepid
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A lightweight HTML editor offering syntax highlighting, code completion, and a live preview. Easily open, edit, and export HTML documents from your device or iCloud. Features dynamic commenting and tag insertion for efficient web development.

Syntax highlightingCode completion suggestionsLive preview panel
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Bluetooth Inspector
Bluetooth Inspector
Bluetooth Inspector
Discover what's around you
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Explore nearby Bluetooth devices and examine their services and characteristics. View real-time signal strength, battery levels for your own devices, and identify model names. Extract software versions and read or write characteristic values.

Real-time signal strength and device informationApple device battery level monitoringDevice model identification
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9
Screen Mirroring: AirPlay Cast
Screen Mirroring: AirPlay Cast
Screen Mirroring: AirPlay Cast
Connect Devices, Share Display
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Effortlessly cast your iPhone or iPad screen to your TV in real-time, high definition, and without any cables or extra devices. Enjoy presentations, photos, videos, and streaming on a larger display.

Real-time screen mirroringHigh-definition castingWireless connectivity
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