Proton Mail vs Zulip: what each really costs

Team size

Billing

Proton Mail

No plan for this billing option

No paid plan to compare for this billing option.

Zulip

No plan for this billing option

No paid plan to compare for this billing option.

10 peopleProton MailZulip
Entry paid planNo plan for this billing optionNo plan for this billing option
Vendor price
Monthly cost
Annual cost
Per user / year
Billing commitmentNot recordedNot recorded
Minimum seatsNone statedNone stated
Free planYesYes
Free trialNot statedNot stated

Calculated by SpecEntry from official vendor prices. Taxes and optional add-ons are not included. Open each product page for every plan and the official source.

Proton Mail vs Zulip: features

Key features as each vendor lists them. A feature missing from a list does not mean the product lacks it.

Proton Mail

  • Zero-access encryptionProton cannot see the contents of your inbox on any plan.
  • Email tracker blockingBlocks email trackers so companies cannot monitor you.
  • Gmail import and syncConnect a Gmail account for automatic import and ongoing sync.
  • Inbox categoriesIncoming emails are automatically sorted into categories.
  • Phishing protectionPhishGuard blocks known phishing attempts and alerts you to suspicious emails.
  • Hide-my-email aliasesCreate aliases when signing up for websites to hide your real address.
  • Scheduled send and undoSchedule emails to send later and undo sent messages.
  • Subscription managementSee all your email subscriptions in one place.

Source:proton.me/mail ·

Zulip

  • Topic-based threadingConversations are organized with topic-based threading.
  • Configurable notificationsOffers highly configurable notification settings.
  • Rich formattingSupports code syntax highlighting and LaTeX in messages.
  • Video call providersWorks with call providers such as Zoom, Jitsi and BigBlueButton.
  • Bot and integration controlsAdmins control all bots and integrations.
  • SAML single sign-onSupports SAML SSO including Okta and OneLogin.
  • Data retention policiesSet granular data retention policies.
  • Private channelsPrivate channels with shared history.

Source:zulip.com/features ·

Proton Mail vs Zulip pricing questions

  1. How much do Proton Mail and Zulip cost?

    Proton Mail paid plans start at $3.99 per month, billed annually (Mail Plus Annual). Zulip paid plans start at $6.67/user/month (Cloud Standard Annual).

  2. Is Proton Mail or Zulip cheaper for 5 users?

    Proton Mail is cheaper for 5 users: $47.88 per year on Mail Plus Annual, against $400.20 per year for Zulip on Cloud Standard Annual. That is $352.32 less per year, before tax.

  3. Is Proton Mail or Zulip cheaper for 10 users?

    Proton Mail is cheaper for 10 users: $47.88 per year on Mail Plus Annual, against $800.40 per year for Zulip on Cloud Standard Annual. That is $752.52 less per year, before tax.

  4. Is Proton Mail or Zulip cheaper for 25 users?

    Proton Mail is cheaper for 25 users: $47.88 per year on Mail Plus Annual, against $2,001 per year for Zulip on Cloud Standard Annual. That is $1,953.12 less per year, before tax.

  5. Do Proton Mail and Zulip have a free plan?

    Yes, both list a free plan.