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Tinkercad vs SimulIDE: catalog facts
Tinkercad	SimulIDE
Free Available without a software purchase.	Free Free and open source under the AGPLv3 licence.
Web	Linux
Uses approachable shape-based modeling Includes circuit and coding activities	Simulates PIC, AVR and Arduino microcontrollers alongside analog and digital parts Built-in code editor and debugger with breakpoints
Requires a web browser and an account to save projects.	Aimed at learning and hobby work rather than professional circuit design Debugging is described as basic
Web application	Downloadable app
Closed source	Open source
License not stated	License: AGPL-3.0
Not stated if an account is needed	Not stated if an account is needed
Not stated if it works offline	Works offline
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked October 1, 2026

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