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Python IDE & Jupyter – Juno

by Rational Matter

Edit Python scripts and Jupyter notebooks for free.

iOSFree with paid upgrades
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What it does

Edit Python scripts and Jupyter notebooks for free. Running code locally requires a Pro purchase after the trial; an optional AI assistant uses your own provider key.

Pricing: is Python IDE & Jupyter – Juno free?

US App Store download: Free (USD), checked 2026-09-23. Includes free functionality with optional paid features or plans. Feature availability depends on the tier.

Screenshots

Developer-provided iOS screenshots.

Juno full Python coding environment with notebook output
Juno full Python coding environment with notebook output
Juno cloud coding session launched from an iPhone
Juno cloud coding session launched from an iPhone
Juno Jupyter notebook executing code and displaying plots
Juno Jupyter notebook executing code and displaying plots
Juno REPL and debugging tools with variables and breakpoints
Juno REPL and debugging tools with variables and breakpoints

Features

Scripts and Jupyter notebooks

Edit Python source files and Jupyter notebooks in one iPhone and iPad workspace.

Developer’s App Store feature description (iOS)

Offline local execution with Pro

After a trial, a one-time Pro purchase runs notebooks, scripts, projects, and a REPL locally with Python 3.13.

Developer’s App Store feature description (iOS)

Projects and output sidebar

Open folders as projects with a file tree, editor tabs, and side-by-side preview, browser, console, and inspector outputs.

Developer’s App Store feature description (iOS)

Pure-Python package manager

Install pure Python packages through the built-in package manager.

Developer’s App Store feature description (iOS)

Bring-your-own-key AI assistant

Connect an OpenAI, Anthropic, or Gemini API key so assistant requests go directly to the selected provider.

Developer’s App Store feature description (iOS)

Sources & verification

Last verified: 23 September 2026. Features not listed here may be unverified.

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