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Lark vs Kualo

Kualo wins on privacy, Kualo wins on price and Lark wins on features. Every fact below was checked on or before 25 October 2026.

Lark or Kualo: which should you choose?

  • Lark is the better pick if you want a free plan to start on and a calendar and contacts alongside your mail.
  • Kualo is the better pick if you want your mailbox stored in the United Kingdom and to pay less: From £3.99 per user a month (10 GB Zimbra mailbox, longer terms).
FeatureLarkKualo
Overall2.03.0
Privacy0.52.5
Price3.03.5
Features4.53.5
Cheapest planBasic
$6 a user a month, yearly
Zimbra Professional Email
From £3.99 per user a month (10 GB Zimbra mailbox, longer terms)
Free planYes, Starter (up to 20 users)No
StorageNot confirmed10 GB
Your own domain✓ Yes✓ Yes
End-to-end encryptionNoNo
Company based in Singapore United Kingdom
Your data is kept inNot confirmed United Kingdom
FoundedUnknown2000
Free trialFree Starter plan60-day money-back guarantee
Funded by advertisingNoNo
Works in any mail app✓ IMAP and SMTP✓ IMAP and SMTP
Calendar and contacts✓ YesNo
AliasesYesYes
Open-source appsNoNo
Sign up without IDNoNo
White labelUnknownUnknown
Reader offerNoneNone
Last checked22 October 202625 October 2026

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The key differences

  • Lark's cheapest plan is Basic ($6 a user a month, yearly); Kualo's is Zimbra Professional Email (From £3.99 per user a month (10 GB Zimbra mailbox, longer terms)).
  • For free, Lark gives you a free plan (Starter (up to 20 users)), and Kualo no free plan.
  • Lark comes with storage not confirmed and Kualo with 10 GB of storage.
  • Data location: Not confirmed for Lark, United Kingdom for Kualo.
  • Lark is based in Singapore and Kualo in the United Kingdom, so different privacy laws apply.

Common questions

Which is more private, Lark or Kualo?

Kualo scores 2.5 out of 5 for privacy and Lark 0.5. Kualo gives you your mailbox stored in the United Kingdom.

Which is cheaper, Lark or Kualo?

Kualo is cheaper. Its Zimbra Professional Email plan is From £3.99 per user a month (10 GB Zimbra mailbox, longer terms), against $6 a user a month, yearly for Lark's Basic. Lark also has a free plan. Check the renewal price before you pay, as some first-year prices go up.

Do Lark and Kualo work with my own domain?

Yes, both do. Lark: Yes. Kualo: Yes.

Where do Lark and Kualo keep my email?

Lark keeps it in Not confirmed. Kualo keeps it in the United Kingdom.

Recent price changes

I haven't seen either change its price since I started checking on 22 October 2026.

The latest headlines: Lark news · Kualo news.

Alternatives to Lark and Kualo

Lark vs mailbox.org · Kualo vs mailbox.org · Lark vs Proton Mail for Business · Kualo vs Proton Mail for Business · Lark vs Tuta Business · Kualo vs Tuta Business

Switching between them

Whichever you choose, the move follows the same steps. Pick your two providers for the steps.

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