Build, test, and run your JavaScript code directly on your iOS device. This utility allows you to execute scripts in widgets and even use your device as a host for computer browser code execution.
JS.Notebook by Zijie Deng





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Build, test, and run your JavaScript code directly on your iOS device. This utility allows you to execute scripts in widgets and even use your device as a host for computer browser code execution.






Calculate the weight of various metal types including stainless steel, titanium, and nickel alloys. This tool is designed for professionals needing precise material weight estimations.


This app allows you to create a private cloud photo album on your home devices. It preserves original photo and video quality, freeing up phone storage while ensuring your data remains secure and local.


Build web applications directly on your smartphone using JavaScript, CSS, and HTML. This tool offers error checking as you code, ensuring you don't lose your ideas. It's designed for developers who need to write code on the go.


This tool tunnels TCP and UDP traffic over ICMP (ping) to bypass firewalls and network censorship. It's designed for restrictive environments where traditional VPNs are blocked, offering a stealthier connection method.


Experience the charm of old-school texting with a keyboard that mimics classic T9 input. Enjoy predictive text, customizable styles, and large buttons for a nostalgic and comfortable typing experience on your smartphone.


Manage your gas connection with ease. This app allows for online registration, bill payments, and access to 24/7 customer support. Find nearby CNG stations and generate your own bills.


Discover and access websites hosted on your local network. This utility helps you quickly find configuration pages for devices like printers and IoT gadgets, opening them directly in your browser.


Transform your mobile devices into wireless controllers for your model railroad. Manage trains, signals, and accessories remotely without wired connections. Ideal for seamless operation around your layout.