Best Astronomy Apps in 2026 · page 2
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UNISTELLAR App
The UNISTELLAR App turns an Android or iOS smartphone or tablet into a controller for a UNISTELLAR telescope.
AndroidiOS6.1 - 27
Sky Guide
iOSmacOS6.0$1.99 one-time - 28
WorldWide Telescope
WorldWide Telescope is free, open-source software for visualizing and sharing scientific data and stories from telescopes, observatories, and institutions.
Free planWebAPIWindows6.0Free plan - 29
OpenSpace
OpenSpace is free, open-source software for interactive exploration of space data from NASA, ESA, and research institutions.
Free planLinuxWindows5.9Free plan - 30
squishyplanet
squishyplanet is a free Python package for modeling light curves and phase curves from non-spherical exoplanets.
Free planLinuxWindows5.9Free plan - 31
Universe Sandbox
LinuxmacOSWindows5.9$29.99 one-time - 32
BXA
BXA connects the Xspec and Sherpa X-ray spectral analysis environments with UltraNest for Bayesian parameter estimation and model comparison.
Free planLinux5.7Free plan - 33
SpaceEngine
Windows5.7$17.99 one-time - 34
Halotools
Linux5.0 - 35
Sky Tonight
AndroidiOS4.9