saasrankedSoftware, ranked on the facts

email client · eM Client s.r.o.

eM Client

Windows and macOS email client with calendar, PGP and S/MIME; free for two accounts, paid for unlimited accounts.

73/100

#4 of 10 email clients
Facts checked 8 Oct 2026

In short

eM Client suits people who want PGP, S/MIME, CalDAV and a built-in calendar in one app, and who are happy to pay €49.95 a year for unlimited accounts1,2,3. The catch: the free plan stops at 2 accounts, and the vendor's pages do not describe a unified inbox1,11.

Best for: People who want PGP, S/MIME and a calendar in one paid Windows app.

Where the points come from

Mail and accounts23 of 27
Calendar and contacts9 of 9
Privacy and encryption17 of 28
Systems and upkeep11 of 15
Price13 of 21

Mail and accounts 23 of 27 points

RuleWhat is publishedPoints
Account typesIMAP, POP3, Exchange, Gmail and Microsoft 365 sign-inLists POP3, IMAP, Exchange and Office365; setup help describes browser-based OAuth sign-in for Gmail and Microsoft 3652,3.12 / 12
Unified inboxNot publishedNot published on the vendor's feature pages2,11.0 / 4
Mail toolsScheduled send, Snooze, Undo send, TemplatesFeature page lists send later, recalling a sent message, snooze and templates. Snooze is Personal and Business only1,2.8 / 8
Filters and rulesYesRules can apply to incoming and outgoing mail, built from a library, by AI or from scratch; free plan includes rules1,2.3 / 3

Calendar and contacts 9 of 9 points

RuleWhat is publishedPoints
Built-in calendarYesCalendar with event invitations and online meetings is included on every plan1,4.6 / 6
CalDAV and CardDAVYesAccount setup help describes adding CalDAV calendars and CardDAV contacts3.3 / 3

Privacy and encryption 17 of 28 points

RuleWhat is publishedPoints
OpenPGPYesFeature page: send and receive PGP-encrypted messages; pricing lists PGP on every plan1,2.7 / 7
S/MIMEYes'Encrypt and digitally sign messages via S/MIME or PGP'; S/MIME listed on every plan1,11.6 / 6
Blocks tracking pixelsYesDefault setting is 'Always ask' before loading content that could track you; tracking-pixel blocking is on Personal1,5.4 / 4
Open-source appsNot publishedNot published on the vendor's pages read1,11.0 / 6
Mail stays on your deviceNot publishedNot published on the vendor's privacy policy7. It says the vendor has no access to email content but mentions a translation service.0 / 5

Systems and upkeep 11 of 15 points

RuleWhat is publishedPoints
Other systemsmacOS, iOS, AndroidOverview: 'Available for: Windows, macOS, iOS and Android'; App Store lists iOS, no beta label; download page offers Windows8,9,11,12.6 / 10
Released in the last yearYesRelease history lists version 11.0.1054.0 on October 8, 202610.5 / 5

Price 13 of 21 points

RuleWhat is publishedPoints
No ads in the appYesPrice line uses the paid Personal plan; vendor page says the app is ad-free, even the free version6.3 / 3
Free planYesFree plan for home use allows 2 email accounts, with calendar and encryption included1.6 / 6
Cost of a year$55.87/yrPersonal, €49.95 a year, billed yearly; cheaper than the €74.95 one-time licence. Free plan is limited to 2 accounts1. Converted at €1 = $1.118613.4 / 12

The rule behind each line: how we score email clients.

Plans and prices

As the vendor lists them, before tax. Prices are in US dollars unless the plan shows euros; the points use US dollars, with euros converted at the ECB rate.

PlanPrice as listedPer monthNotes
Free1 personFree1$02 email accounts, 1 device, home use only
Personal (yearly)1 person€49.95/year1$4.66Unlimited accounts, up to 3 devices; AI add-on included with the subscription
Personal (one-time)1 person€74.95 one time1–Unlimited accounts, up to 3 devices; lifetime upgrades

The pricing page shows euros only, and does not say whether tax is included1. We convert at the ECB rate.

Strengths

  • Free plan includes calendar, PGP, S/MIME, templates and rules1.
  • Does not show ads, even in the free version6.
  • Mobile apps for iOS and Android are free to use for now8.
  • Documents setup for IMAP, POP3, Exchange, CalDAV and CardDAV3.

Limits

  • The free plan allows only 2 email accounts and 1 device1.
  • Snooze and tracking-pixel blocking are missing from the free plan1.
  • The vendor lists apps for Windows, macOS, iOS and Android only; no Linux or web app is listed11.
  • The vendor's pages read do not describe a unified inbox2,11.

What eM Client s.r.o. says

Vendor claims. We show them, but they earn no points.

  • eM Client says mobile versions are completely free to use for now and may change8.

Other email clients

  1. 1
    Mozilla ThunderbirdPeople who want a free, open-source client with built-in encryption
    88/100
    $0cost of a year
  2. 2
    BetterbirdThunderbird users who want more control over how mail is listed, sorted and searched
    78/100
    $0cost of a year
  3. 3
    BlueMailPeople who want a free app with PGP, a calendar and many accounts
    78/100
    $0cost of a year
  4. 5
    Microsoft OutlookPeople who want a free app with a calendar, scheduled send and undo send
    67/100
    $0cost of a year

All 10 email clients

Sources

  1. eM Client pricing, eM Client. Accessed 8 Oct 2026.
  2. eM Client email features, eM Client. Accessed 8 Oct 2026.
  3. Account setup FAQ, eM Client. Accessed 8 Oct 2026.
  4. eM Client calendar features, eM Client. Accessed 8 Oct 2026.
  5. Email tracking, eM Client. Accessed 8 Oct 2026.
  6. Email without ads, eM Client. Accessed 8 Oct 2026.
  7. eM Client privacy policy, eM Client. Accessed 8 Oct 2026.
  8. eM Client mobile FAQ, eM Client. Accessed 8 Oct 2026.
  9. Download eM Client, eM Client. Accessed 8 Oct 2026.
  10. eM Client release history, eM Client. Accessed 8 Oct 2026.
  11. eM Client features overview, eM Client. Accessed 8 Oct 2026.
  12. eM Client on the App Store, Apple App Store. Accessed 8 Oct 2026.
  13. Euro foreign exchange reference rates: US dollar, European Central Bank. Accessed 8 Oct 2026.

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