Fastmail vs Proton Workspace: Pricing and Ratings Compared (2026)
Entry prices and free plans as read on each vendor's pricing page, and user ratings as published on review sites, for Fastmail and Proton Workspace side by side. This page compares data; it is not a hands-on review.
On the data: On the data below, Fastmail leads on lower entry price. We do not name an overall winner for this pair.
Short on time? Here's the quick answer
Based on published vendor pricing and features and on public review data, here's who should pick what:
Fastmail
Fast, private, and reliable email and calendar hosting for individuals and businesses.
Best for you if:
- • You want privacy focused email
Proton Workspace
Privacy-first business suite with encrypted email, storage, and AI
Best for you if:
- • You want strongest privacy protections with end-to-end encryption and Swiss jurisdiction
| At a Glance | Fastmail | Proton Workspace |
|---|---|---|
Starts at | From $3/user/mo, billed monthly Standard plan | From $12.99/user/mo, billed monthly Workspace Standard plan |
Category | Email Productivity | Email Productivity |
Rating | 4.5/5 G2 4.2 · Capterra 4.9 28 reviews | 4.6/5 G2 4.6 32 reviews |
Free plan | No | No |
Watch out for | n/a | Storage limited to 1 TB per user on Standard |
Choose Fastmail or Proton Workspace?
Choose Fastmail if
- You want privacy focused email
- You want good features
- Budget matters ($3/user/mo, billed monthly vs $12.99/user/mo, billed monthly)
Choose Proton Workspace if
- You want strongest privacy protections with end-to-end encryption and Swiss jurisdiction
- You want all-in-one suite covering email, storage, meetings, VPN, and passwords
In-Depth Analysis
Fastmail
Fast, private, and reliable email and calendar hosting for individuals and businesses.
Fastmail's pricing is fair, especially for the 'Standard' tier at $5/user/month offering 100GB storage.
Strengths
- Pro: Privacy focused email
- Pro: Good features
- Pro: Custom domains
- Pro: Calendar included
- Pro: No ads
Weaknesses
- Con: Expensive vs Gmail
- Con: Limited integrations
- Con: Smaller ecosystem
- Con: Storage limited
- Con: No free tier
Key features
Proton Workspace
Privacy-first business suite with encrypted email, storage, and AI
Proton Workspace pricing is fair for privacy-focused businesses, with Standard at $12.99/user/month and Premium at $19.99/user/month offering strong encryption and bundled tools like VPN and password manager.
Watch out
Storage limited to 1 TB per user on Standard
Strengths
- Pro: Strongest privacy protections with end-to-end encryption and Swiss jurisdiction
- Pro: All-in-one suite covering email, storage, meetings, VPN, and passwords
- Pro: Open-source and independently audited for security and compliance
Weaknesses
- Con: No permanent free tier for business (only 14-day trial)
- Con: Smaller third-party integration ecosystem compared to Google and Microsoft
- Con: AI assistant (Lumo) has limited capabilities compared to mainstream AI tools
Key features
Plans and prices: Fastmail vs Proton Workspace
| Tool | Plans and prices | Source |
|---|---|---|
| Fastmail |
| fastmail.com/pricing read Oct 19, 2026 |
| Proton Workspace |
| proton.me/business read Oct 20, 2026 |
Prices as read on each vendor's own pricing page on the date shown. Plans are listed per tool and are not matched against the other tool's plans: a plan name or price in one column says nothing about the same row in the other. Details on Fastmail pricing and Proton Workspace pricing.
Key Takeaways
Fastmail
- Lower entry price: $3/user/mo, billed monthly vs $12.99/user/mo, billed monthly
Proton Workspace
- Choose if you want privacy-first business suite with encrypted email, storage, and AI
What the data shows
On the data below, Fastmail leads on lower entry price. We do not name an overall winner for this pair.
- User ratings are within 0.2 points (4.5/5 from 28 reviews for Fastmail, 4.6/5 from 32 reviews for Proton Workspace).
- Fastmail has the lower entry price: $3/user/mo, billed monthly (Standard) against $12.99/user/mo, billed monthly (Workspace Standard) for Proton Workspace.
Criteria: user rating (only above 20 reviews on both sides, gap of 0.2 or more), entry price (only on the same billing basis), free plan. How we rate
Frequently Asked Questions
How do Fastmail and Proton Workspace compare in 2026?
On the data below, Fastmail leads on lower entry price. We do not name an overall winner for this pair. User ratings are within 0.2 points (4.5/5 from 28 reviews for Fastmail, 4.6/5 from 32 reviews for Proton Workspace). Fastmail has the lower entry price: $3/user/mo, billed monthly (Standard) against $12.99/user/mo, billed monthly (Workspace Standard) for Proton Workspace.
What are Fastmail and Proton Workspace used for?
Fastmail: Fast, private, and reliable email and calendar hosting for individuals and businesses. Proton Workspace: Privacy-first business suite with encrypted email, storage, and AI.
What does Fastmail cost vs Proton Workspace?
Fastmail's cheapest paid plan is Standard at $3/user/mo, billed monthly. Proton Workspace's cheapest paid plan is Workspace Standard at $12.99/user/mo, billed monthly. Prices read on the vendors' pricing pages, latest check Oct 20, 2026.
What's the main difference between Fastmail and Proton Workspace?
Fastmail's main strength: privacy focused email. Proton Workspace's main strength: strongest privacy protections with end-to-end encryption and Swiss jurisdiction.