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.





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Whether you want more options like MQTT Tester or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.





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.






A user-friendly, self-custodial multi-chain crypto wallet for seamless access to DeFi and dApps. Buy crypto directly with cards and track token performance across numerous EVM-compatible networks.





This tool captures and analyzes HTTP/HTTPS traffic directly on your device for network debugging. It allows developers and QA teams to inspect requests and responses, filter traffic, rewrite messages, and even block specific requests. HTTPS capture requires CA certificate configuration.


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.


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.


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.


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.


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.


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.


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.