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Fastmail vs Kolab Now: catalog facts
Fastmail	Kolab Now
Paid Paid subscription with a 30-day free trial that needs no credit card.	Paid Paid subscription service.
Android, iOS, Web	Web
Email, calendar and contacts in one service Choice of EU or USA data residency	Operated in Switzerland since 2013 Email, calendars, contacts, files and video calls in one account
No free plan after the trial Hosted service, so your mail lives on Fastmail's servers	Hosted service, not something you run yourself Paid service
Downloadable app, Web application, Hosted service	Web application, Hosted service
Closed source	Closed source
License not stated	License not stated
Account needed	Account needed
Not stated if it works offline	Needs internet
Official website Full listing and sources Checked September 23, 2026	Official website Full listing and sources Checked October 2, 2026

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