Compare software

FlashPrint vs KISSlicer: catalog facts
FlashPrint	KISSlicer
Best for: Owners of FlashForge 3D printers	Best for: Fast, compact slicer that converts STL models into G-code for filament printers
Free Free download from FlashForge for use with its printers.	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
Made by the printer manufacturer for its own machines Linux build available on Flathub	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.
Aimed at FlashForge printers only Proprietary, closed source	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
Not open source	Not open source
License: Proprietary	License not stated
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Not stated if it works offline
Official website Full listing and sources Sources for FlashPrint flashforge.com/pages/download-center Catalog checked October 1, 2026	Official website Full listing and sources Sources for KISSlicer kisslicer.com Catalog checked September 22, 2026

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