Fastmail vs Proton Workspace

Both are business email & productivity suites tools. Here's how their key features, pricing and fit line up, from each vendor's own site.

Feature Fastmail Category leader Proton Workspace Rising
Pricing$4/user/mo$12.99/user/mo
Best forSmall businesses under 50 people that want fast private email on their own domain and do not need browser document editors.Privacy-focused teams under 100 people, such as law, healthcare or nonprofits, that need provider-blind encrypted email.
Team size1–500 people2–500+ people
Custom-domain email YesYes
Mailbox storage YesNot listed
Shared calendars YesNot listed
Document editors Not listedYes
Admin console Not listedYes
Spam and malware filtering YesNot listed
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More Fastmail alternatives · More Proton Workspace alternatives