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33Mail vs Lark

In short: they tie on privacy, 33Mail wins on price, and Lark wins on features. The full comparison is below, last checked 25 October 2026.

33Mail or Lark: which should you choose?

  • 33Mail suits you best if you want the lower price ($1 a month).
  • Choose Lark if you want to read your mail in any app, such as Apple Mail, Outlook or Thunderbird and a calendar and contacts alongside your mail.
Feature33MailLark
Overall2.02.0
Privacy0.50.5
Price5.03.0
FeaturesNot rated4.5
Cheapest planPremium
$1 a month
Basic
$6 a user a month, yearly
Free planYes, unlimited aliasesYes, Starter (up to 20 users)
StorageForwards onlyNot confirmed
Your own domain✓ On Premium✓ Yes
End-to-end encryptionNoNo
Company based inNot confirmed Singapore
Your data is kept inNot confirmedNot confirmed
FoundedUnknownUnknown
Free trialFree planFree Starter plan
Funded by advertisingNoNo
Works in any mail appNo, its own apps only✓ IMAP and SMTP
Calendar and contactsNo✓ Yes
AliasesUnlimited aliasesYes
Open-source appsNoNo
Sign up without IDNoNo
White labelUnknownUnknown
Reader offerNoneNone
Last checked25 October 202622 October 2026

Want to add another? Open this in the compare tool.

Where they differ

  • Cheapest plans: 33Mail Premium, $1 a month. Lark Basic, $6 a user a month, yearly.
  • 33Mail has a free plan (unlimited aliases); Lark has a free plan (Starter (up to 20 users)).
  • Space: 33Mail gives no storage, as it forwards mail on, Lark storage not confirmed.
  • The companies sit under different laws: 33Mail in Not confirmed, Lark in Singapore.
  • Mail apps: 33Mail only works in its own apps; Lark works in any mail app over IMAP.
  • Aliases: 33Mail offers unlimited aliases, Lark yes.

Common questions

Is 33Mail more private than Lark?

They score the same for privacy: 0.5 out of 5 each. The differences are in the details, such as where your mail is kept (Not confirmed for 33Mail, Not confirmed for Lark).

Is 33Mail cheaper than Lark?

33Mail is cheaper. Its Premium plan is $1 a month, against $6 a user a month, yearly for Lark's Basic. 33Mail and Lark also have a free plan. Check the renewal price before you pay, as some first-year prices go up.

Can I use my own domain with 33Mail or Lark?

Yes, both do. 33Mail: On Premium. Lark: Yes.

Where is my email stored with 33Mail and Lark?

Both keep it in Not confirmed.

Can I use 33Mail and Lark in Apple Mail or Outlook?

33Mail only works in its own apps. Lark works in any mail app over IMAP.

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: 33Mail news · Lark news.

Alternatives to 33Mail and Lark

33Mail vs mailbox.org · Lark vs mailbox.org · 33Mail vs addy.io · Lark vs addy.io · 33Mail vs Proton Mail for Business · Lark vs Proton Mail for Business

How to switch

Moving between any two providers works the same way. Pick your two providers for the steps.

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