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3D Slash vs BlocksCAD: catalog facts
3D Slash	BlocksCAD
Freemium Can be started for free; see the product page for current plans.	Freemium Basic accounts are free; education features have a 30-day trial or come through a school…
Windows, macOS, Linux, Android, iOS, Web	Web
Block-carving interface that is quick to learn Runs on desktop, mobile, Raspberry Pi and the web	Block-based programming suited to beginners Runs in the browser with no install
Block-based approach is less suited to precise engineering parts Pricing details are not clearly shown on the homepage	Education features require a trial or school code Aimed at learning rather than detailed engineering work
Downloadable app, Web application	Web application
Closed source	Closed source
License not stated	License not stated
Not stated if an account is needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 24, 2026	Official website Full listing and sources Checked September 24, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.