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Runestone vs Neon Vision Editor: catalog facts
Runestone	Neon Vision Editor
Freemium Free to edit files; Premium settings are a one-time $9.99 purchase, varying by country.	Free Free and open source under the Apache 2.0 licence.
iOS	macOS, iOS
Syntax highlighting and line numbers on iPhone and iPad Runs on Apple Vision Pro as well	Native Swift app on macOS, iOS, iPadOS and visionOS Handles both code and Markdown
Apple devices only Some settings require the Premium purchase	Apple platforms only Smaller project with a young ecosystem compared with established editors
Downloadable app	Downloadable app
Closed source	Open source
License not stated	License: Apache-2.0
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 2, 2026

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