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Repetier-Server vs Polar Cloud: catalog facts
Repetier-Server	Polar Cloud
Best for: Running several 3D printers from one local server without a subscription	Best for: Schools and makers managing several 3D printers from one web dashboard
Free + paid options Free version available; Pro is a one-time purchase for five installations with no subscription.	Free + paid options Free for personal home use; education plans start at $199 per year and enterprise pricing is by quote.
Web, Self-hosted	Web
Runs several printers from one installation Multiple webcams per printer with timelapse All 4 strengths for Repetier-Server Runs several printers from one installation Multiple webcams per printer with timelapse G-code manager with 3D and 2D previews Touchscreen interface for printer-side displays	Works with printers from many brands, OctoPrint and Klipper Cloud slicing and job queues in one place All 3 strengths for Polar Cloud Works with printers from many brands, OctoPrint and Klipper Cloud slicing and job queues in one place Classroom controls for managing student prints
Some features require the paid Pro version Closed source	Depends on a cloud service and an account Free plan is limited to home use and 500 MB of storage All 3 limitations for Polar Cloud 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
Downloadable app, Self-hosted	Hosted service
Not open source	Not open source
License not stated	License not stated
Not stated if an account is needed	Account needed
Offline features available	Needs internet
Official website Full listing and sources Sources for Repetier-Server repetier-server.com Catalog checked September 24, 2026	Official website Full listing and sources Sources for Polar Cloud polar3d.com Catalog checked October 1, 2026

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