Fastmail vs addy.io
On privacy it's addy.io. On price it's addy.io. On features it's Fastmail. Here's everything side by side, last checked 25 October 2026.
Should you pick Fastmail or addy.io?
- Fastmail is the better pick if you want more room (50 GB, against none); freedom to use the mail app you already like; and your diary and address book in one place with your email.
- Choose addy.io if you want a cheaper plan, at About $1 a month, yearly; a free plan to start on; and open-source apps anyone can check.
| Feature | Fastmail | addy.io |
|---|---|---|
| Overall | 3.0 | 4.0 |
| Privacy | 2.0 | 3.5 |
| Price | 3.5 | 5.0 |
| Features | 5.0 | Not rated |
| Cheapest plan | Individual $5 a month, yearly | Lite About $1 a month, yearly |
| Free plan | No | Yes |
| Storage | 50 GB | Forwards only |
| Your own domain | ✓ Yes | ✓ Yes |
| End-to-end encryption | No | No |
| Company based in | Australia | United Kingdom |
| Your data is kept in | EU (Amsterdam) for UK customers, with a US replica and US backups | EU |
| Founded | 1999 | 2018 |
| 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 | ✓ Yes |
| 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.
How Fastmail and addy.io differ
- Fastmail's cheapest plan is Individual ($5 a month, yearly); addy.io's is Lite (About $1 a month, yearly).
- Fastmail has no free plan; addy.io has a free plan ().
- Space: Fastmail gives 50 GB of storage, addy.io no storage, as it forwards mail on.
- Your mail is stored in the EU (Amsterdam) for UK customers, with a US replica and US backups with Fastmail, and in the EU with addy.io.
- The companies sit under different laws: Fastmail in Australia, addy.io in United Kingdom.
- Mail apps: Fastmail works in any mail app over IMAP; addy.io only works in its own apps.
- Aliases: Fastmail offers masked email and aliases, addy.io unlimited aliases.
Common questions
Is Fastmail more private than addy.io?
addy.io scores 3.5 out of 5 for privacy and Fastmail 2. addy.io gives you open-source apps anyone can check and to sign up without proving who you are.
Is Fastmail cheaper than addy.io?
addy.io is cheaper. Its Lite plan is About $1 a month, yearly, against $5 a month, yearly for Fastmail's Individual. addy.io also has a free plan. Check the renewal price before you pay, as some first-year prices go up.
Can I use my own domain with Fastmail or addy.io?
Yes, both do. Fastmail: Yes. addy.io: Yes.
Where is my email stored with Fastmail and addy.io?
Fastmail keeps it in the EU (Amsterdam) for UK customers, with a US replica and US backups. addy.io keeps it in the EU.
Can I use Fastmail and addy.io in Apple Mail or Outlook?
Fastmail works in any mail app over IMAP. addy.io only works in its own apps.
Prices and the latest news
No price changes for either since 22 October 2026. I check regularly and add any change here with its date.
The latest headlines: Fastmail news · addy.io news.
Alternatives to Fastmail and addy.io
Fastmail vs mailbox.org · addy.io vs mailbox.org · Fastmail vs Posteo · addy.io vs Posteo · Fastmail vs Proton Mail · addy.io vs Proton Mail
Switching between them
Moving to Fastmail · Moving from Fastmail. Or see all my switching guides.