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OrcaSlicer vs KISSlicer: catalog facts
OrcaSlicerKISSlicer

Best for: Tuning a printer and a new filament properly instead of guessing

Best for: Fast, compact slicer that converts STL models into G-code for filament printers

Free

Free and open source under the AGPL 3.0.

Free + paid options

The single-extruder version is free. Pro and Premium licences unlock multi-extruder and advanced slicing.

Windows, macOS, Linux Windows, macOS, Linux
  • Built-in calibration tests for temperature, flow, retraction and pressure advance
  • Scarf seams and wall spacing control for visibly better surfaces
All 4 strengths for OrcaSlicer
  • Built-in calibration tests for temperature, flow, retraction and pressure advance
  • Scarf seams and wall spacing control for visibly better surfaces
  • Profiles for Bambu, Prusa, Voron, RatRig and Creality machines
  • Windows, macOS, Linux AppImage and Flatpak builds including ARM64
  • 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.
  • More settings exposed than a first-time printer owner needs
  • Copycat sites such as orca-slicer.com push unsafe downloads, so use orcaslicer.com
All 3 limitations for OrcaSlicer
  • More settings exposed than a first-time printer owner needs
  • Copycat sites such as orca-slicer.com push unsafe downloads, so use orcaslicer.com
  • Releases move fast and occasionally regress a printer profile
  • 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.
Downloadable app Downloadable app
Open source Not open source
License: AGPL-3.0 License not stated
No account needed Not stated if an account is needed
Offline features available Not stated if it works offline
Sources for OrcaSlicer

Catalog checked September 21, 2026

Sources for KISSlicer

Catalog checked September 22, 2026

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