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PyAutoLens vs SimuPhysics

Both stand on physics simulation software. Which one you can start free with, which one lets you read the code, and what each costs once you pay.

PyAutoLens

Free plan LinuxMacWindows

Choose PyAutoLens if you need a free, offline package for detailed gravitational-lensing analysis across imaging, interferometer or point-source data. Allow for its Python version requirement, and check the installation path for your operating system and hardware, especially if you need GPU acceleration.

Visit PyAutoLens

SimuPhysics

Free plan Web

SimuPhysics offers a broad set of interactive simulations across physics and mathematics topics. Its account features and listed support channels add options for learners, while the stated plan details provide no further limits.

Visit SimuPhysics

The facts

PyAutoLensSimuPhysics
Free planYesYes
Open sourceNot publishedNot published
Runs onLinux, Mac, WindowsWeb
Lowest paid planFree or on requestFree or on request
Plans published11
MakerNot publishedSimuPhysics
Websitepyautolens.readthedocs.iosimuphysics.com
On physics simulation software#25 of 89#29 of 89

PyAutoLens: what it does well

  • Free package with offline access and data export.
  • Models galaxy-, group- and cluster-scale lens systems.
  • Reconstructs irregular source galaxies using pixelized models.
  • Fits spectral-line data cubes across all channels with a shared lens model.
  • Supports imaging, interferometer and point-source observations.

What to know first

  • Requires Python 3.12 or later.
  • Windows installation requires Anaconda.
  • GPU acceleration requires a separate JAX installation.
  • Intel Macs use the slower NumPy path.

SimuPhysics: what it does well

  • More than 110 simulations are listed.
  • Topics include physics areas and mathematics.
  • Interactive controls show how variables affect outcomes.
  • Accounts can save favorites and track progress.
  • Support is offered in English or Arabic.

What to know first

  • No other free-plan limits are stated.
  • The site is listed as web-only.

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