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Dropbox vs Koofr: catalog facts
Dropbox	Koofr
Freemium A small free tier is available. More storage and features require a paid plan.	Freemium The first 10 GB are free; larger storage plans are paid.
Windows, macOS, Linux, Android, iOS, Web	Windows, macOS, Linux, Android, iOS, Web, Browser extension
The most mature and reliable sync engine, with clients everywhere Smart sync keeps large libraries usable on small disks	EU-based storage with a no-tracking policy Connects other cloud accounts in one view
The free tier is only a few gigabytes and caps linked devices Files are stored unencrypted from the provider's point of view	Free tier limited to 10 GB Requires an account on a hosted service
Downloadable app, Hosted service	Downloadable app, Web application, Hosted service, Browser extension
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Not stated if it works offline
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.