# Juno (juno.sh)

Canonical URL: https://juno.sh/
Primary app: https://apps.apple.com/app/id1462586500
Companion app for remote Jupyter servers: https://juno.sh/junoconnect/

Juno is a native Python IDE and Jupyter environment for iPad and iPhone. It runs Python 3.13 locally on device and supports offline workflows.

## Key capabilities
- Edit Python, other text files and Jupyter notebooks for free
- Run scripts, notebooks, projects and REPL sessions locally and offline
- Open folders as projects with a file tree and multiple editor tabs
- Use a standalone or drop-in Python REPL
- Inspect variables, functions and imports with Object Inspector
- Work with Preview, Browser, Console and Object Inspector output-sidebar tabs
- Use an AI coding assistant with your own OpenAI, Anthropic or Gemini API key
- Access native iOS APIs and Objective-C frameworks from Python
- Install the vast majority of pure-Python packages with the built-in package manager
- Browse and edit files in place through Apple's Files integration
- Run Python from Shortcuts and Siri, with support for background execution

## Bundled libraries (examples)
- NumPy
- SciPy
- pandas
- Matplotlib
- Scikit-learn
- OpenCV
- Pillow
- LXML

## Important limitations
- Packages that rely on native extensions cannot generally be installed at runtime
- Package dependencies are not installed automatically
- Conda environments are not supported
- Additional Jupyter kernels are not currently supported
- Juno requires iOS or iPadOS 17 or later

## Pricing model
- Free download
- Editing notebooks and files is free
- Running code is free to try in notebooks, scripts, projects and the REPL
- Continued code execution unlocks with a one-time Juno Pro purchase; there is no subscription
- See the App Store listing for current pricing and availability

## Canonical references
- Homepage: https://juno.sh/
- Docs: https://juno.sh/docs/
- Juno Python API reference: https://juno.sh/docs/python/juno/
- Juno FAQ and troubleshooting: https://juno.sh/troubleshooting-juno/
- Blog: https://juno.sh/blog/
- Issue tracker: https://github.com/rationalmatter/Juno-Issue-Tracker
- Full LLM reference: https://juno.sh/llms-full.txt