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Rotki vs ZenLedger: catalog facts
Rotki	ZenLedger
Freemium Free and open source with an optional paid premium tier for extra features.	Freemium Free tax reports are offered, with paid DIY and professional plans.
Windows, macOS, Linux	Web
Local-first design keeps portfolio data off third-party servers Open source, so its accounting logic can be inspected	Imports from exchanges and wallets via API or CSV Free access for your tax professional
Local-first setup requires more initial configuration than a hosted web tracker Desktop only, no mobile app	Cloud service that holds your transaction history Filing features are aimed at US taxpayers
Downloadable app	Web application, Hosted service
Open source	Closed source
License not stated	License not stated
Not stated if an account is needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 22, 2026	Official website Full listing and sources Checked September 23, 2026

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