Diffy
A calm, ad-free learning world with short browser games and illustrated books for math, science, coding, geography, and reading.
Website previewAbout Diffy
A learning world with short games and illustrated books covering science, math, coding, geography, reading, and logic.
Age and access
This resource is listed for ages 6-16. It is available as Website and is listed as free. The listed language coverage is English.
What stands out
- Games and books offer active play and quiet reading
- Cross-curricular subject range
- No-account start for individual activities
How the score is built
Science, math, coding, geography, reading, and logic are shown.
The homepage says no account, ads, or downloads are needed.
Parent notes
- The official homepage says children can play without an account and that there are no ads or downloads.
- Preview checked clean with no cookie popup, ad overlay, broken rendering, or placeholder imagery.
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