PhysSandbox
PhysSandbox: A free web lab platform with simulations, measurements, graphs, and CSV export. Ranked #33 of 89 in Physics Simulation Software by our editors (5.8/10); pricing: Free plan; best for free virtual labs with data tables and export.
At a glance
- Editor score5.8 / 10
- PricingFree plan
- Best forFree virtual labs with data tables and export
- Free planYes
- Paid fromFree
- Delivery modeWeb
- Facts checked20 Sep 2026
Where it wins
- 609+ interactive simulators with no registration or paywalls
- Structured labs include measurements, data tables, curve fitting, and conclusions
- Touch-friendly web access with shareable URLs and fullscreen mode
Where it doesn't
- Web delivery means offline access is not available
- No simulation authoring tools are provided
- The breadth across sciences may feel less focused for physics-only courses
Our verdict on PhysSandbox
PhysSandbox is a browser-based collection of interactive simulations for students, teachers, and curious learners. Its library spans physics, chemistry, engineering, mathematics, and related sciences, with classical mechanics topics including projectile motion, forces, energy, collisions, and rotational dynamics. Learners can adjust parameters, observe animated models, and view live position, velocity, and energy graphs. Access works through a web browser on phones, tablets, and other devices, with no registration required.
The free plan includes 609+ interactive simulators with no paywalls. Alongside exploratory simulations, PhysSandbox provides structured virtual labs that guide users through measurements, data tables, curve fitting, and conclusions. These assessment-oriented elements make it more suitable for lessons and lab assignments than a collection limited to visual demonstrations. CSV export supports continued work with collected results, while shareable simulation configurations can help teachers direct learners to a specific setup. Fullscreen mode also supports classroom projection.
PhysSandbox fits learners who want immediate access to browser-based science activities without an account or paid tier. Its touch-friendly interaction is useful on tablets and phones, and live graphs add a quantitative layer to topics such as mechanics, waves, electricity, optics, thermodynamics, and astronomy. The trade-off is a web-only delivery model, with no offline access or simulation authoring tools. Choose it for free virtual labs, guided measurements, and data handling across a broad science library; choose an alternative if creating custom simulations or working without an internet-connected browser is essential.
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PhysSandbox pricing
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PhysSandbox fact sheet
| Free plan | Yes |
|---|---|
| Paid from | Free |
| Delivery mode | Web |
| Lesson library | Yes |
| Authoring tools | Not verified |
| Assessment tools | Yes |
| 3D visuals | Not verified |
| Offline access | Not verified |
| Data export | Not verified |
| Deployment | Cloud |
| Platforms | Web |
| Support | Community |
| Built for | Solo, Small business (editorial estimate) |
| Pricing | Free plan (source) |
| Website | physandbox.com |
| Facts checked | 20 Sep 2026 |
Alternatives to PhysSandbox
- COMSOL MultiphysicsA broad desktop environment for coupled physics, engineering models, and custom simulation apps.9.4
- Ansys FluentA deep CFD and HPC environment for demanding industrial simulation work.9.3
- SimScaleA broad browser-based multiphysics platform with flexible cloud workflows and tiered access.9.1
See all PhysSandbox alternatives →
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Featured on iTechGuides
PhysSandbox is listed in our Physics Simulation Software directory. Add the badge to your site — it links back to this page.
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Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026
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