Krystal vs 33Mail
Krystal wins on privacy, 33Mail wins on price and Krystal wins on features. Every fact below was checked on or before 25 October 2026.
Krystal or 33Mail: which should you choose?
- Choose Krystal if you want your mail kept in the United Kingdom; to read your mail in any app, such as Apple Mail, Outlook or Thunderbird; and a calendar and contacts alongside your mail.
- 33Mail is the better pick if you want a free plan to start on.
| Feature | Krystal | 33Mail |
|---|---|---|
| Overall | Not rated | 2.0 |
| Privacy | 2.5 | 0.5 |
| Price | Not rated | 5.0 |
| Features | 4.5 | Not rated |
| Cheapest plan | Email hosting Not confirmed | Premium $1 a month |
| Free plan | No | Yes, unlimited aliases |
| Storage | Not confirmed | Forwards only |
| Your own domain | ✓ Yes | ✓ On Premium |
| End-to-end encryption | No | No |
| Company based in | United Kingdom | Not confirmed |
| Your data is kept in | United Kingdom | Not confirmed |
| Founded | 2002 | Unknown |
| Free trial | 60-day money-back guarantee | 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 | Yes | Unlimited aliases |
| Open-source apps | No | No |
| Sign up without ID | No | No |
| White label | Unknown | Unknown |
| Reader offer | None | None |
| Last checked | 25 October 2026 | 25 October 2026 |
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The key differences
- On price: Krystal Email hosting at Not confirmed, against 33Mail Premium at $1 a month.
- Krystal has no free plan; 33Mail has a free plan (unlimited aliases).
- Space: Krystal gives storage not confirmed, 33Mail no storage, as it forwards mail on.
- Krystal keeps your mail in the United Kingdom, while 33Mail keeps it in Not confirmed.
- The companies sit under different laws: Krystal in United Kingdom, 33Mail in Not confirmed.
- Mail apps: Krystal works in any mail app over IMAP; 33Mail only works in its own apps.
- Aliases: Krystal offers yes, 33Mail unlimited aliases.
Krystal and 33Mail: your questions
Is Krystal more private than 33Mail?
Krystal scores 2.5 out of 5 for privacy and 33Mail 0.5. Krystal gives you your mail kept in the United Kingdom.
Can I use my own domain with Krystal or 33Mail?
Yes, both do. Krystal: Yes. 33Mail: On Premium.
Where is my email stored with Krystal and 33Mail?
Krystal keeps it in the United Kingdom. 33Mail keeps it in Not confirmed.
Can I use Krystal and 33Mail in Apple Mail or Outlook?
Krystal works in any mail app over IMAP. 33Mail only works in its own apps.
Price changes and news
No price changes for either since 25 October 2026. I check regularly and add any change here with its date.
The latest headlines: Krystal news · 33Mail news.
Not sold on either? Try these
- mailbox.org4.5 out of 5 overall
- addy.io4.0 out of 5 overall
- Proton Mail for Business4.0 out of 5 overall
Krystal vs mailbox.org · 33Mail vs mailbox.org · Krystal vs addy.io · 33Mail vs addy.io · Krystal vs Proton Mail for Business · 33Mail vs Proton Mail for Business
How to switch
Moving between any two providers works the same way. Pick your two providers for the steps.