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Alternatives · Email

Kolab Now alternatives

As of Nov 13, 2026, the best Kolab Now alternative for most people is Proton Mail (3.0 GPA), third in our ranking of email apps. The best free one is Zoho Mail (3.2 GPA).

Kolab Now compared with 5 alternatives: Fastmail, mailbox, Posteo, Zoho Mail and Proton Mail.

Kolab Now is a paid product with a free trial, starting at CHF 9.90 per month (Group Account). 2 of the 5 alternatives are free or have a free plan. 2 more offer a free trial.

Listings checked up to Nov 13, 2026 · Where the facts come from

Black Friday: is there a Kolab Now sale?

At a glance

ToolPriceFree planRuns on
Kolab NowThis toolFree trialTrial onlyWeb
FastmailFree trial · from $3/moTrial onlyWeb, macOS, Windows, Linux, iOS, Android
mailboxFree trial · from €1/moTrial onlyWeb
PosteoFrom €1/moNoWeb
Zoho MailFree plan · from $1/moYesWeb, macOS, Windows, Linux, iOS, Android
Proton MailFree plan · from $3.99/moYesWeb, macOS, Windows, Linux, iOS, Android

How each one differs from Kolab Now

  1. Fastmail

    Paid, ad-free email with calendar, contacts and custom domains

    • Fastmail starts at $3 per user / month, billed yearly (Basic); Individual is $5, billed yearly.
    • Fastmail also lists Windows, macOS, Linux, iOS and Android apps.
    • Fastmail does not cover tasks and video calls, which Kolab Now does.

    Suits: People leaving free, ad-funded email for a paid private service

    Fastmail vs Kolab NowFastmail pricing and details

  2. mailbox

    Paid, ad-free email with cloud storage and office tools from Germany

    • mailbox starts at €1 per month, annual payment only (€12 a year, Light).
    • mailbox is end-to-end encrypted, according to its own site.
    • mailbox also covers documents and file sync.

    Suits: People who want paid, ad-free email hosted in Germany

    mailbox vs Kolab Nowmailbox pricing and details

  3. Posteo

    Ad-free, green-powered email from Berlin for €1 a month

    • Posteo starts at €1 per month, prepaid (minimum top-up €12).
    • Posteo is end-to-end encrypted, according to its own site.
    • Posteo also covers notes.
    • Posteo does not cover tasks and video calls, which Kolab Now does.

    Suits: People who want a low-cost, ad-free mailbox they pay for directly

    Posteo vs Kolab NowPosteo pricing and details

  4. Zoho Mail

    Ad-free business email hosting with calendar, tasks and notes

    • Zoho Mail starts at $1 per user / month, billed annually (Mail Lite, 5 GB).
    • Zoho Mail has a free plan, which Kolab Now lacks.
    • Zoho Mail also lists macOS, Windows, Linux, iOS and Android apps.
    • Zoho Mail does not cover video calls, which Kolab Now does.

    Suits: Small businesses that want low-cost email on their own domain

    Zoho Mail vs Kolab NowZoho Mail pricing and details

  5. Proton Mail

    End-to-end encrypted email service based in Switzerland

    • Proton Mail starts at $3.99 per month, billed every 12 months ($47.88); $4.99 billed monthly.
    • Proton Mail has a free plan, which Kolab Now lacks.
    • Proton Mail also lists macOS, Windows, Linux, iOS and Android apps.
    • Proton Mail is end-to-end encrypted, according to its own site.
    • Proton Mail does not cover tasks and video calls, which Kolab Now does.

    Suits: People who want an email provider that cannot read their messages

    Proton Mail vs Kolab NowProton Mail pricing and details

Limits worth knowing in Kolab Now

  • The pricing page did not render readable text; the price comes from the plan data the signup page loads.
  • Pricing is in Swiss francs, and the page says it depends on user count; other price steps were not found.
  • It is a hosted service only, with no apps of its own listed beyond sync to phones and desktop clients.
  • Only the Group Account plan appeared in the signup data, so no cheaper individual plan was found.
Kolab Now pricing and details

Common questions

What are the alternatives to Kolab Now?

The alternatives to Kolab Now in this directory are Fastmail, mailbox, Posteo, Zoho Mail and Proton Mail. Each one has a side-by-side comparison with Kolab Now.

Is there a free alternative to Kolab Now?

Yes. Zoho Mail and Proton Mail have a free plan alongside paid ones.

Which Kolab Now alternatives work on Windows?

The Kolab Now listing does not include a Windows app. Fastmail, Zoho Mail and Proton Mail list one.

Which Kolab Now alternatives work on macOS?

The Kolab Now listing does not include a macOS app. Fastmail, Zoho Mail and Proton Mail list one.

When were these prices checked?

Each listing shows its own date. On this page they run from Oct 4, 2026 to Nov 13, 2026. Vendors change prices without notice, so confirm on their site before you buy.

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