Compare software

IXLKhan Academy
Paid

Requires a paid membership.

 Free

Free to use, funded by donations to the nonprofit.

Web Android, Web
  • Large K-12 skill library across several subjects
  • Diagnostic and analytics for tracking progress
  • Free lessons and practice across many subjects
  • Tools for teachers to assign work and track progress
  • Paid membership required
  • Focused on K-12 curricula
  • Signing up is needed to track progress
  • Follows a mostly school-style curriculum
Web application Downloadable app, Web application
Closed source Closed source
License not stated License not stated
Account needed Not stated if an account is needed
Needs internet Not stated if it works offline

Checked October 1, 2026

Checked September 23, 2026

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