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Runestone vs Code App: catalog facts
Runestone	Code App
Freemium Free to edit files; Premium settings are a one-time $9.99 purchase, varying by country.	Free The source code is published on GitHub at no cost.
iOS	iOS
Syntax highlighting and line numbers on iPhone and iPad Runs on Apple Vision Pro as well	Familiar VS Code-style layout on iPad Built-in Git support
Apple devices only Some settings require the Premium purchase	iPad only, with no desktop version Research does not detail which languages and runtimes are supported
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Checked October 2, 2026	Official website Full listing and sources Checked October 1, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.