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Thonny vs PyCharm: catalog facts
Thonny	PyCharm
Free Free and open source.	Freemium A free tier is available. Professional features require a paid subscription.
Windows, macOS, Linux	Windows, macOS, Linux
Bundles Python, so there is nothing else to install Simple debugger suited to learning	Environment, dependency and interpreter handling that just works across projects Graphical debugger, test runner and notebook support in one place
Focused on Python only Fewer features than full professional IDEs	Professional features such as web frameworks and databases need a subscription Heavy on memory compared with a text editor plus extensions
Downloadable app	Downloadable app
Open source	Closed source
License not stated	License not stated
No account needed	Not stated if an account is needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked September 22, 2026

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