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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Whether you want more options like JavaScript Studio Pro or a completely different take on the same concept, our curated list of 7+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.





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.





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