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KISSlicer vs UltiMaker Cura: catalog facts
KISSlicer	UltiMaker Cura
Best for: Fast, compact slicer that converts STL models into G-code for filament printers	Best for: Slicing for a filament printer when you want profiles that already exist
Free + paid options The single-extruder version is free. Pro and Premium licences unlock multi-extruder and advanced slicing.	Free Free and open source under the LGPL 3.0. An UltiMaker account is optional and only needed for cloud… Full pricing details for UltiMaker Cura Free and open source under the LGPL 3.0. An UltiMaker account is optional and only needed for cloud features.
Windows, macOS, Linux	Windows, macOS, Linux
Slicing is quick and the interface stays simple, which makes it a light alternative when a full slicer… Full strengths for KISSlicer Slicing is quick and the interface stays simple, which makes it a light alternative when a full slicer suite feels like too much for a straightforward print.	Profiles for hundreds of printers, not just UltiMaker's own Recommended presets hide the settings until you want them All 4 strengths for UltiMaker Cura Profiles for hundreds of printers, not just UltiMaker's own Recommended presets hide the settings until you want them Layer preview shows the toolpath before you start the print Plugin marketplace for model sources and post-processing scripts
The free version is single-extruder only and closed source; multi-extruder printing and the advanced features need the… Full limitations for KISSlicer The free version is single-extruder only and closed source; multi-extruder printing and the advanced features need the paid Pro or Premium licences.	Heavier and slower to start than the newer slicers Hundreds of settings once you leave the recommended mode All 3 limitations for UltiMaker Cura Heavier and slower to start than the newer slicers Hundreds of settings once you leave the recommended mode Calibration tooling is thin compared with OrcaSlicer
Downloadable app	Downloadable app
Not open source	Open source
License not stated	License: LGPL-3.0
Not stated if an account is needed	No account needed
Not stated if it works offline	Offline features available
Official website Full listing and sources Sources for KISSlicer kisslicer.com Catalog checked September 22, 2026	Official website Full listing and sources Sources for UltiMaker Cura ultimaker.com/software/ultimaker-cura github.com/Ultimaker/Cura Catalog checked September 21, 2026

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