Fastmail vs SimpleLogin
SimpleLogin wins on privacy, SimpleLogin wins on price and Fastmail wins on features. Every fact below was checked on or before 25 October 2026.
Should you pick Fastmail or SimpleLogin?
- Go for Fastmail if you'd like more room (50 GB, against none); to read your mail in any app, such as Apple Mail, Outlook or Thunderbird; and a calendar and contacts alongside your mail.
- Go for SimpleLogin if you'd like the lower price ($36 a year (with Proton Pass)); a free plan to start on; and apps whose code is public.
| Feature | Fastmail | SimpleLogin |
|---|---|---|
| Overall | 3.0 | 3.5 |
| Privacy | 2.0 | 3.0 |
| Price | 3.5 | 4.0 |
| Features | 5.0 | Not rated |
| Cheapest plan | Individual $5 a month, yearly | Premium $36 a year (with Proton Pass) |
| Free plan | No | Yes, 10 aliases |
| Storage | 50 GB | Forwards only |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Australia | Switzerland (Proton) |
| Your data is kept in | EU (Amsterdam) for UK customers, with a US replica and US backups | EU |
| Founded | 1999 | 2019 |
| Free trial | 30 days free | Free plan |
| Funded by advertising | No | No |
| Works in any mail app | ✓ IMAP and SMTP | No, its own apps only |
| Calendar and contacts | ✓ Yes | No |
| Aliases | Masked email and aliases | Unlimited aliases |
| Open-source apps | No | ✓ Yes |
| Sign up without ID | No | No |
| White label | No | No |
| Reader offer | Offer 10% off your first year, plus a free trial of up to 30 days | None |
| Last checked | 22 October 2026 | 25 October 2026 |
Want to add another? Open this in the compare tool.
The key differences
- Cheapest plans: Fastmail Individual, $5 a month, yearly. SimpleLogin Premium, $36 a year (with Proton Pass).
- For free, Fastmail gives you no free plan, and SimpleLogin a free plan (10 aliases).
- Fastmail comes with 50 GB of storage and SimpleLogin with no storage, as it forwards mail on.
- Fastmail keeps your mail in the EU (Amsterdam) for UK customers, with a US replica and US backups, while SimpleLogin keeps it in the EU.
- Fastmail is based in Australia and SimpleLogin in Switzerland (Proton), so different privacy laws apply.
- Fastmail works in any mail app over IMAP, and SimpleLogin only works in its own apps.
- For extra addresses, Fastmail has masked email and aliases and SimpleLogin has unlimited aliases.
Fastmail and SimpleLogin: your questions
Which is more private, Fastmail or SimpleLogin?
SimpleLogin scores 3 out of 5 for privacy and Fastmail 2. SimpleLogin gives you apps whose code is public.
Which is cheaper, Fastmail or SimpleLogin?
SimpleLogin is cheaper. Its Premium plan is $36 a year (with Proton Pass), against $5 a month, yearly for Fastmail's Individual. SimpleLogin also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Do Fastmail and SimpleLogin work with my own domain?
Yes, both do. Fastmail: Yes. SimpleLogin: Yes.
Where do Fastmail and SimpleLogin keep my email?
Fastmail keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. SimpleLogin keeps it in the EU.
Do Fastmail and SimpleLogin work in other mail apps?
Fastmail works in any mail app over IMAP. SimpleLogin only works in its own apps.
Price changes and news
I haven't seen either change its price since I started checking on 22 October 2026.
The latest headlines: Fastmail news · SimpleLogin news.
Alternatives to Fastmail and SimpleLogin
Fastmail vs mailbox.org · SimpleLogin vs mailbox.org · Fastmail vs Posteo · SimpleLogin vs Posteo · Fastmail vs Proton Mail · SimpleLogin vs Proton Mail
Switching between them
Moving to Fastmail · Moving from Fastmail. Or see all my switching guides.