Alternatives · Email
Fastmail alternatives
Fastmail compared with 8 alternatives: Proton Mail, HEY, Gmail, Tuta Mail, mailbox and 3 more.
Fastmail is a paid product with a free trial, starting at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. 5 of the 8 alternatives are free or have a free plan. 3 more offer a free trial.
8 tools · Listings checked up to Oct 6, 2026 · Where the facts come from
At a glance
| Tool | Price | Free plan | Runs on |
|---|---|---|---|
| FastmailThis tool | Free trial · from $3/mo | Trial only | Web, macOS, Windows, Linux, iOS, Android |
| Proton Mail | Free plan · from $3.99/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| HEY | Free trial · from $99/yr | Trial only | Web, macOS, Windows, Linux, iOS, Android |
| Gmail | Free plan · from $7/mo | Yes | Web, iOS, Android |
| Tuta Mail | Free plan · from €3/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
| mailbox | Free trial · from €1/mo | Trial only | Web |
| StartMail | Free trial · from $4.99/mo | Trial only | Web, Android |
| Yahoo Mail | Free plan · from $5/mo | Yes | Web, iOS, Android |
| Zoho Mail | Free plan · from $1/mo | Yes | Web, macOS, Windows, Linux, iOS, Android |
How each one differs from Fastmail
- Free plan · from $3.99/mo
Proton Mail
End-to-end encrypted email service based in Switzerland
- Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly. Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Proton Mail has a free plan. Fastmail does not, though it has a free trial.
- Proton Mail is open source and end-to-end encrypted, according to its own site.
Suits: People who want an email provider that cannot read their messages
- Free trial · from $99/yr
HEY
Email service and calendar with sender screening, from 37signals
- HEY starts at $99 per year (HEY for You, annual billing only). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- HEY also covers templates.
Suits: People ready to move to a new email address and a different inbox routine
- Free plan · from $7/mo
Gmail
Google's email service, free for personal use with 15 GB of storage
- Gmail starts at $7 per user / month with a 1-year commitment (Workspace Business Starter). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Gmail has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists Windows, macOS and Linux apps.
- Gmail also covers inbox filtering.
- Fastmail also covers calendar.
Suits: Anyone who wants a free personal address with 15 GB of shared storage
- Free plan · from €3/mo
Tuta Mail
End-to-end encrypted email and calendar from Germany
- Tuta Mail starts at €3 per month, paid yearly (lowest paid personal plan). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Tuta Mail has a free plan. Fastmail does not, though it has a free trial.
- Tuta Mail is open source and end-to-end encrypted, according to its own site.
Suits: People who want mail, calendar and contacts encrypted by default
- Free trial · from €1/mo
mailbox
Paid, ad-free email with cloud storage and office tools from Germany
- mailbox starts at €1 per month, annual payment only (€12 a year, Light). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Only Fastmail lists Windows, macOS, Linux, iOS and Android apps.
- mailbox is end-to-end encrypted, according to its own site.
- mailbox also covers tasks, documents, video calls and file sync.
Suits: People who want paid, ad-free email hosted in Germany
- Free trial · from $4.99/mo
StartMail
Paid private email from the Netherlands with unlimited aliases
- StartMail starts at $4.99 per month, billed annually ($59.88). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Only Fastmail lists Windows, macOS, Linux and iOS apps.
- StartMail also covers inbox filtering.
- Fastmail also covers calendar.
Suits: People who want a paid, ad-free mailbox hosted in the Netherlands
- Free plan · from $5/mo
Yahoo Mail
Free email service with 20 GB of storage and AI inbox tools
- Yahoo Mail starts at $5 per month (Yahoo Mail Plus). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Yahoo Mail has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists Windows, macOS and Linux apps.
- Yahoo Mail also covers tasks and inbox filtering.
- Fastmail also covers calendar.
Suits: People who want a free address with 20 GB of storage
- Free plan · from $1/mo
Zoho Mail
Ad-free business email hosting with calendar, tasks and notes
- Zoho Mail starts at $1 per user / month, billed annually (Mail Lite, 5 GB). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Zoho Mail has a free plan. Fastmail does not, though it has a free trial.
- Zoho Mail also covers tasks.
Suits: Small businesses that want low-cost email on their own domain
Limits worth knowing in Fastmail
- There is no free plan. After the 30-day trial every account is paid, and Fastmail does not refund unused subscription time.
- The Basic business plan has 6 GB per user and leaves out custom domains, Scheduled Send, Snooze and third-party mail apps.
- Storage beyond the plan allowance is a paid add-on, up to 300 GB per user.
- Listed prices are tax-exclusive.
Common questions
What are the alternatives to Fastmail?
The alternatives to Fastmail in this directory are Proton Mail, HEY, Gmail, Tuta Mail, mailbox, StartMail, Yahoo Mail and Zoho Mail. Each one has a side-by-side comparison with Fastmail.
Is there a free alternative to Fastmail?
Yes. Proton Mail, Gmail, Tuta Mail, Yahoo Mail and Zoho Mail have a free plan alongside paid ones.
Is there an open-source alternative to Fastmail?
Proton Mail and Tuta Mail are described as open source on their own sites.
When were these prices checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 6, 2026. Vendors change prices without notice, so confirm on their site before you buy.
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