PhET Interactive Simulations vs Algodoo: catalog facts
 PhET Interactive Simulations |  Algodoo |
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Free Free interactive simulations. |
Free Free to download, with an optional donation to support development. |
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Web |
macOS, iOS |
- Simulations can be used immediately with no signup or installation
- Covers a broad range of physics, chemistry and math topics in one place
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- Draw-and-play approach needs no physics or programming background
- Simulates fluids, friction, forces and optics
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- Aimed at simulation-based exploration rather than structured, graded coursework
- Browser-based delivery, with no offline access described
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- 2D only; complex 3D mechanics need other software
- Release dates and update frequency are not published on the homepage
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Web application |
Downloadable app |
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Closed source |
Closed source |
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License not stated |
License not stated |
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Not stated if an account is needed |
Not stated if an account is needed |
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Not stated if it works offline |
Not stated if it works offline |
Checked September 22, 2026 | Checked September 24, 2026 |
Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.
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