AkastroidCompared,
without the marketing.
Each of these pages says where the other program wins, because a comparison that finds no weaknesses is not a comparison.
Akastroid vs DeepSkyStacker
Free, Windows-only, and it stops at the stack. The differences are Mac support, field rotation, named frame rejections and everything after the integration.
Akastroid vs Siril
Free, cross-platform and excellent. No capability gap to point at - the difference is whether you or the software has to know the sequence.
Akastroid vs PixInsight
The highest ceiling in astrophotography and months to learn. Masking is the gap, and using both is often the right answer.
For the whole field at once - including AutoStakkert, RegiStax, Astro Pixel Processor and GraXpert - read the 2026 buying guide or what Akastroid replaces, and what it honestly does not.
If you would rather see the workflow than the feature tables, here is every step from raw frames to a finished image.