Khan Academy

What it does

Use lessons, practice exercises and quizzes across math and other subjects. Download videos for offline viewing; some website features are not available in the mobile app.

Pricing

US App Store download: Free (USD), checked 2026-09-22. The developer describes free core use; check the listing for eligibility and service limits.

Sources & verification

• Khan Academy — developer's App Store listing (US) ↗Primary source

Last verified: 22 September 2026. Features not listed here may be unverified.

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