Compare software

Sim Daltonism vs Color Oracle: catalog facts
Sim DaltonismColor Oracle
Free

Open source; the page does not list a price.

Free

Free to download and use.

macOS, iOS Windows, macOS, Linux
  • Live filtering of any screen area on the Mac
  • Camera-based simulation on iOS
  • Simulates common color vision impairments in real time
  • Works over designs in different applications
  • Apple platforms only
  • Licence is not stated in the research
  • Windows and Linux versions require Java 6 or later
  • The project notes that highly saturated colors may not simulate well
Downloadable app Downloadable app
Open source Open source
License not stated License: MIT
Not stated if an account is needed Not stated if an account is needed
Works offline Not stated if it works offline

Checked September 23, 2026

Checked October 8, 2026

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