2
Spark Mail
Free plan; Plus about $10/month
A cross-platform email app with a Smart Inbox and an AI assistant.
Pick it if you need it on the web, you want it free and you want AI built in.
Free planiPhoneAndroidMacWindowsWeb
At a glance
| App | Price | Platforms | Pick it if |
|---|---|---|---|
| eM Client (the app you have) | Free | Windows, Mac, iPhone, Android | - |
| Microsoft Outlook | Free for personal use | Everywhere | you need it on the web |
| Spark Mail | Free plan | Everywhere | you need it on the web |
| Thunderbird | Free | Android, Mac, Windows, Linux | you want it free |
| Spike | Free and Pro plans | Everywhere | you need it on the web |
| Airmail | Free for one account | Apple | you use Apple devices |
| Apple Mail | Free with Apple devices | Apple | you want it free |
| AOL Mail, News, Weather | Free download | iPhone, Android | you want a close match |
| mail.com | Free | iPhone, Android | you want it free |
1
Microsoft Outlook
Free for personal use; also in Microsoft 365
Email, calendar and contacts in one app, on every major platform.
Pick it if you need it on the web and you want it free.
Free planiPhoneAndroidMacWindowsWeb
3
Thunderbird
Free; funded by donationsFree, open-source email, calendar and contacts for desktop and mobile.
Pick it if you want it free, you need it on Linux and you want open source.
FreeAndroidMacWindowsLinux
4
Spike
Free and Pro plansEmail that reads like chat, with team spaces, docs and tasks alongside.
Pick it if you need it on the web, you want AI built in and you work with a team.
Free planiPhoneAndroidMacWindowsWeb
5
Airmail
Free for one account; Pro about $6/month or $30/year
A polished email client for iPhone, iPad, Mac and Apple Watch.
Pick it if you use Apple devices.
Free planiPhoneMac
6
Apple Mail
Free with Apple devices; some features need iCloud+
The built-in mail app on every iPhone and Mac, with strong privacy features.
Pick it if you want it free, you want something simpler and you are just starting out.
FreeiPhoneMac
7
AOL Mail, News, Weather
Free download; paid upgrades in the app
AOL's app for email, news headlines and weather.
Free planiPhoneAndroid
8
mail.com
Free
mail.com's email and cloud app.
Pick it if you want it free.
FreeiPhoneAndroid
We matched these apps to eM Client by what they are for, who they suit and where they run, using our research on each app's official website and app store listing. We have not tested them hands-on for this page. Check the price on each app's own site before you buy.