Fastmail alternatives · Email
Free alternatives to Fastmail
Fastmail has no free plan. 30 of the 51 other email apps in this directory are free or have a free plan.
Fastmail is a paid product with a free trial, starting at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly. 4 of them have no paid plan at all; the rest pair a free plan with paid ones.
30 tools · Listings checked up to Oct 9, 2026 · Where the facts come from
The 12 closest to Fastmail
- Free plan · from $3.99/mo
Proton Mail
End-to-end encrypted email service based in Switzerland
What is free: Proton Free: 1 email address, up to 1 GB of mail storage (500 MB until the setup steps are completed), a limit of 150 sent messages a day and 3 personal calendars.
- 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.
- Free plan · from $7/mo
Gmail
Google's email service, free for personal use with 15 GB of storage
What is free: Free with a personal Google Account: 15 GB of storage shared across Gmail, Google Drive and Google Photos. Free accounts may show ads, and asking Gemini to search the inbox needs a Google AI Pro or Ultra plan.
- 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.
- Free plan · from €3/mo
Tuta Mail
End-to-end encrypted email and calendar from Germany
What is free: 1 GB of storage, one calendar and 3 labels, with end-to-end encryption. Free accounts are deleted after more than six months without a login.
- 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.
- Free plan · from $5/mo
Yahoo Mail
Free email service with 20 GB of storage and AI inbox tools
What is free: Standard plan: 20 GB of storage, other accounts such as Gmail, Outlook and AOL in the same inbox, one-tap unsubscribe and up to 3 temporary addresses. The inbox shows ads.
- 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.
- Free plan · from $1/mo
Zoho Mail
Ad-free business email hosting with calendar, tasks and notes
What is free: Forever Free Plan: email hosting for one domain and up to 5 users, with 5 GB of mail storage each. IMAP, POP and ActiveSync are not included, and it is available only in select data centers.
- 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.
- Free plan · from $5/mo
Newton Mail
Cross-platform email app with read receipts, snooze and send later
What is free: 2 email accounts with a unified inbox, snooze, send later and signatures, plus 3 templates, 15 read receipts a month and 20 AI actions a day, on every app.
- Newton Mail starts at $5 per month, billed annually ($6.99 billed monthly). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Newton Mail has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a web app.
- Newton Mail also covers templates and shared inbox.
- Free plan
Wino Mail
Free, open source mail and calendar app for Windows
What is free: Wino Mail is always free with no Wino Account needed: Mail, Calendar, Contacts and To Do, all core customization options and up to 3 email accounts.
- Wino Mail has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a web app.
- Only Fastmail lists macOS, Linux, iOS and Android apps.
- Wino Mail is open source, according to its own site.
- Free plan · from $8.25/mo
Spark Mail
Email client with a unified smart inbox, AI tools and team features
What is free: Unlimited email accounts in a unified Smart Inbox with snooze, send later, reminders and calendar, plus 5 AI meeting notes in total and an AI Assistant preview limited to 1 month of email history.
- Spark Mail starts at $8.25 per user / month, billed annually ($99 / year). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Spark Mail has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a web app.
- Only Fastmail lists a Linux app.
- Free plan · from $1.99/mo
Microsoft Outlook
Microsoft's email and calendar app for desktop, mobile and web
What is free: Free Outlook for 1 person: email and calendar on the web, desktop and mobile apps, 15 GB of mailbox storage, 5 GB of cloud storage and core spam filtering. The free inbox shows ads.
- Microsoft Outlook starts at $1.99 per month, or $19.99 per year (Microsoft 365 Basic). Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Microsoft Outlook has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a Linux app.
- Microsoft Outlook also covers tasks and inbox filtering.
- Free
Thunderbird
Free, open-source email app for Windows, macOS, Linux and Android
What is free: Everything. There is no paid plan.
- Thunderbird is free. Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Thunderbird has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a web app.
- Only Fastmail lists an iOS app.
- Free plan · from $36/yr
Canary Mail
AI email client with PGP encryption for Mac, iOS, Windows, Android
What is free: Free forever on up to 2 devices: unified inbox, unlimited mail accounts, snooze and pin, email templates, Inbox Zero tools and lite read receipts.
- Canary Mail starts at $36 per year (Growth), shown as $3 per month billed yearly. Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Canary Mail has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a web app.
- Only Fastmail lists a Linux app.
- Free plan · from $4/mo
Spike
Chat-style email app with team chat, notes, tasks and video calls
What is free: Email App Free: 1 email address, 60 days of search history and 1 GB of notes storage. Teamspace Starter: free for up to 3 members with 15 GB each. Both get 10 queries per AI feature.
- Spike starts at $4 per member / month, billed annually (Teamspace Team); Email App Pro is $6. Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
- Spike has a free plan. Fastmail does not, though it has a free trial.
- Only Fastmail lists a Linux app.
- Spike also covers tasks, shared inbox, team chat and video calls.
Common questions
Is there a free alternative to Fastmail?
Yes. Proton Mail, Gmail, Tuta Mail, Yahoo Mail, Zoho Mail, Newton Mail, Wino Mail, Spark Mail and 22 more are free or have a free plan.
Does Fastmail have a free plan?
Fastmail has no free plan. Fastmail is a paid product with a free trial, starting at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
When was this checked?
Each listing shows its own date. On this page they run from Oct 4, 2026 to Oct 9, 2026. Vendors change prices and plans without notice, so confirm on their site before you buy.
This page is built from the listings. A tool is here because its listing says so, and the order is how close each is to Fastmail: the alternatives its listing names first, then the tools that share the most features with it.