eM Client

Overview

eM Client brings email together with a broad set of everyday communication and organization tools on desktop and mobile. It is a strong fit for people who want a single place for several email services, calendars and tasks, but its free tier is restrictive if you use multiple devices.

The main choice is between a tightly capped free license and paid options that remove the email-account limit, with either annual or one-time payment. Mobile apps are free to use without a license, which makes the paid desktop licensing terms especially important to compare.

Key features

A unified inbox can make juggling Google Workspace, Office 365, Outlook and Exchange accounts more manageable. Offline access and scheduled sending are practical advantages when connectivity or timing matters. PGP and S/MIME encryption add options for users handling messages that need protection, though they will matter less to people with straightforward personal email.

Email is only part of the package: calendar, tasks, contacts, notes and chat sit alongside online-meeting integration. Teams, Slack and Rocket.Chat integrations make eM Client more relevant to workplaces already using those tools. It also offers a user forum and VIP Support. The maker says its customer base includes more than 100,000 businesses and 4,000,000 users; NGOs, schools and universities receive a 30% discount.

Pricing

Free costs nothing and requires registration. It allows two email accounts on one device, a reasonable starting point for a single-device setup, but a poor fit if you need a third account or want to use the licensed app on multiple devices.

Personal costs $39.95 a year for unlimited email accounts on three devices. That is the clearest annual option for one person managing several accounts across a small number of devices. Business costs $49.95 a year and allows unlimited email accounts; its subscription terms are per device, making it a better fit for organizations licensing installations rather than one user’s device set.

The separately named Personal Subscription is also $39.95 a year for one user on up to three devices, while Business Subscription is $49.95 a year per device. The lifetime licenses avoid recurring annual billing: Personal Lifetime costs $59.95, paid once for one user on up to three devices, and Business Lifetime costs $79.95, paid once per device. Lifetime options suit buyers who prefer a one-time payment; annual plans spread the cost over a subscription term. The free account limit is the main sacrifice at the lower tier. The maker also offers a 30-day trial.

Platforms

eM Client is available for Windows, macOS, Android and iOS. The mobile versions can be used without a license, while the free plan’s one-device cap and paid device terms shape the desktop licensing choice. Its coverage across desktop and mobile is useful for people who want to keep email and productivity tools within one product family.

Who it's for

Choose eM Client if you want email, calendar, tasks and related tools together, need a unified view of multiple services, or value PGP/S/MIME encryption and integrations with common workplace chat platforms. It is less compelling if you only need a lightweight email app, or if the free two-account, one-device ceiling is enough to make the paid licensing terms unattractive.

Pros and cons

• Pros: A unified inbox supports several major email services, reducing the need to switch between separate accounts.
• Pros: Email, calendar, tasks, contacts, notes and chat are combined, which suits users who prefer fewer separate productivity apps.
• Pros: PGP and S/MIME encryption, plus Teams, Slack and Rocket.Chat integrations, serve security-conscious users and teams with established workflows.
• Cons: The free plan stops at two accounts and one device, limiting its usefulness for multi-device or heavier email users.
• Cons: Business subscriptions are priced per device, so organizations need to account for each installation rather than license only a user.

Alternatives

Mozilla Thunderbird is the better choice if open-source software and support for Linux matter; its free plan includes email, calendar, contacts and multiple accounts. For a team seeking a free hosted-mail plan, Zoho Mail offers five users, one domain and 5 GB of mail storage per user at no cost.

Spark Mail is worth considering if its free plan’s Smart Inbox, unlimited email accounts, smart notifications and calendar better match your priorities. Spike has a free Starter plan for up to three members, with one teamspace, 60 days of search history and 15 GB storage per member.

Mailbutler Smart Assistant offers a free Starter plan. Mailspring is an option if open-source code is a priority; its maker says the full codebase is MIT-licensed. Newton Mail has a free tier for up to two accounts, with monthly read-receipt and daily AI-action limits. Canary Mail offers a free plan for core inbox features and a seven-day trial of paid features.

For broader browsing, see Email clients or Calendar apps.

Verdict

eM Client is a good choice for people who want a multi-service inbox and common productivity tools in one app, especially if encryption or workplace integrations matter. Its main drawback is the sharp free-plan ceiling: users who need more than two accounts or a licensed setup on multiple devices will need a paid plan, and teams should weigh the per-device business terms against their deployment.