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Polar CloudAstroPrint

Best for: Schools and makers managing several 3D printers from one web dashboard

Best for: Schools and print farms that want cloud slicing and shared print queues

Free + paid options

Free for personal home use; education plans start at $199 per year and enterprise pricing is by quote.

 Paid

Offered through plans listed on its Plans and Pricing page.

Web Web
  • Works with printers from many brands, OctoPrint and Klipper
  • Cloud slicing and job queues in one place
All 3 strengths
  • Works with printers from many brands, OctoPrint and Klipper
  • Cloud slicing and job queues in one place
  • Classroom controls for managing student prints
  • Browser-based slicing from any device
  • Cloud file library with remote monitoring
All 4 strengths
  • Browser-based slicing from any device
  • Cloud file library with remote monitoring
  • Shared print queues and user permissions for teams
  • Connects through an OctoPrint plugin among other options
  • Depends on a cloud service and an account
  • Free plan is limited to home use and 500 MB of storage
All 3 limitations
  • Depends on a cloud service and an account
  • Free plan is limited to home use and 500 MB of storage
  • Fleet features require paid plans
  • Depends on a cloud service and an internet connection
  • Plan details and limits are only on the pricing page
Hosted service Web application, Hosted service
Not open source Not open source
License not stated License not stated
Account needed Account needed
Needs internet Needs internet
Sources

Catalog checked October 1, 2026
Sources

Catalog checked September 24, 2026

“Not stated” means we have not confirmed it. Features can vary by device and plan.