Mailspring alternatives

All Mailspring alternatives

1. 

   

   Thunderbird

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   Thunderbird is a free and open-source email client for Windows, macOS and Linux, with an Android app based on K-9 Mail. It manages multiple accounts in a unified inbox and includes a calendar, address book, chat and built-in OpenPGP encryption. Add-ons and themes customize it extensively, and it is developed by MZLA Technologies, a Mozilla Foundation subsidiary funded by user donations.

   9 Thunderbird alternatives

   Pros

   • Free and open source, funded by donations rather than ads
   • Built-in OpenPGP encryption, calendar and address book
   • Highly customizable with add-ons and themes

   Cons

   • Interface feels busier than minimalist modern clients
   • Getting the most out of it takes some setup and add-ons

   Cost / License

   FreeOpen source

   Categories

   Email Clients & Providers

   Platforms

   WindowsMacLinuxAndroid

   Features

   Ad-freeCalendar viewEnd-to-end encryptionOffline modePlugins & extensionsUnified inbox

   Visit websiteMore about Thunderbird
2. 

   

   Spark

   4.6(82.7K) · App StoreLike

   Spark is an email client from Readdle that works with Gmail, Outlook, iCloud and other IMAP accounts on Mac, Windows, iPhone and Android. Its smart inbox separates personal mail, notifications and newsletters, and it supports send later, snoozing, a gatekeeper for new senders and AI writing help. Teams can share email threads, comment on them privately and draft replies together.

   11 Spark alternatives

   Pros

   • Smart inbox separates personal mail, notifications and newsletters
   • Shared threads and private comments for team email
   • Gatekeeper screens new senders before they reach the inbox

   Cons

   • Sync relies on Readdle’s servers, which raises privacy questions
   • AI and team features require a paid plan

   Cost / License

   FreemiumProprietary

   Categories

   Email Clients & Providers

   Platforms

   WindowsMaciPhoneAndroid

   Features

   AI assistantSend laterTeam collaborationUnified inbox

   Visit websiteMore about Spark
3. 

   

   eM Client

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   eM Client is a desktop email client for Windows and macOS that brings email, calendar, tasks, contacts and notes together in one app. It works with Gmail, Exchange, Microsoft 365, iCloud and IMAP accounts, and includes built-in PGP encryption, snoozing, send later and quick templates. A free version is available for personal use with a limited number of accounts, and the Pro license unlocks the rest.

   7 eM Client alternatives

   Pros

   • Email, calendar, tasks, contacts and notes in one desktop app
   • Built-in PGP encryption without extra plugins
   • Works with Gmail, Exchange, Microsoft 365, iCloud and IMAP

   Cons

   • Free version is for personal use with a limited number of accounts
   • No Linux version, only Windows and Mac
   • Interface can feel dense because of its many features

   Cost / License

   FreemiumProprietary

   Categories

   Email Clients & Providers

   Platforms

   WindowsMac

   Features

   Calendar viewEnd-to-end encryptionSend laterTemplatesUnified inbox

   Visit websiteMore about eM Client
4. 

   

   Microsoft Outlook

   4.8(9.3M) · App StoreLike

   Microsoft Outlook is an email and calendar app available on Windows, Mac, mobile and the web, used with Outlook.com, Exchange and Microsoft 365 accounts as well as Gmail and other IMAP services. It combines mail with calendars, contacts and tasks, supports shared mailboxes and scheduled sending, and integrates with Teams for meetings. Copilot can draft replies and summarize threads on eligible plans.

   12 Microsoft Outlook alternatives

   Pros

   • Email, calendar, contacts and tasks in one app
   • Shared mailboxes and Teams integration for businesses
   • Available on Windows, Mac, mobile and the web

   Cons

   • The move from classic to new Outlook on Windows has been disruptive
   • Free Outlook.com accounts show ads
   • Copilot features require an eligible paid plan

   Cost / License

   FreemiumProprietary

   Categories

   Email Clients & ProvidersScheduling & Calendars

   Platforms

   WebWindowsMaciPhoneAndroid

   Features

   AI assistantCalendar viewIntegrationsOffline modeSend laterShared inbox

   Visit websiteMore about Microsoft Outlook
5. 

   

   Apple Mail

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   Apple Mail is the email app included with macOS, iOS and iPadOS, supporting iCloud, Gmail, Exchange and other IMAP accounts in a unified inbox. It offers send later, follow-up reminders, smart search and Mail Privacy Protection, which hides your IP address and stops senders from seeing when you open messages. With iCloud+, Hide My Email creates random addresses that forward to your inbox.

   9 Apple Mail alternatives

   Pros

   • Free and preinstalled on Mac, iPhone and iPad
   • Mail Privacy Protection hides your IP and blocks open tracking
   • Unified inbox for iCloud, Gmail, Exchange and IMAP accounts

   Cons

   • Only available on Apple devices
   • Few power-user features or extensions compared with dedicated clients
   • Hide My Email requires an iCloud+ subscription

   Cost / License

   FreeProprietary

   Categories

   Email Clients & Providers

   Platforms

   MaciPhone

   Features

   Ad-freeEmail aliasesSend laterTracker blockingUnified inbox

   Visit websiteMore about Apple Mail
6. 

   

   Superhuman

   4.6(3.7K) · App StoreLike

   Superhuman is a premium email client for Gmail and Microsoft accounts, designed around keyboard shortcuts and speed. It offers split inboxes, reminders, scheduled sending, read statuses, snippets and AI features that draft replies and summarize threads. It targets professionals and executives who handle large volumes of email, and is sold as a subscription with no free plan.

   8 Superhuman alternatives

   Pros

   • Keyboard shortcuts make triaging email very fast
   • Split inboxes, reminders and snippets for heavy email users
   • AI drafts replies and summarizes long threads

   Cons

   • Expensive subscription with no free plan
   • Only works with Gmail and Microsoft accounts
   • Read statuses rely on tracking pixels, a privacy concern

   Cost / License

   PaidProprietary

   Categories

   Email Clients & Providers

   Platforms

   WebWindowsMaciPhoneAndroid

   Features

   AI assistantEmail trackingSend laterTemplates

   Visit websiteMore about Superhuman
7. 

   

   Gmail

   4.7(2.4M) · App StoreLike

   Gmail is Google's email service, used through the web and mobile apps or any IMAP client. It offers automatic spam filtering, labels and inbox categories, fast search, scheduled sending and close links with Calendar, Drive and Meet. Personal accounts are free and share storage with Drive and Photos, while Google Workspace adds custom domains and admin tools; Gemini can draft and summarize emails.

   12 Gmail alternatives

   Pros

   • Excellent spam filtering and fast search
   • Tight links with Google Calendar, Drive and Meet
   • Free personal accounts on web, mobile and any IMAP client

   Cons

   • Free storage is shared with Drive and Photos and fills up quickly
   • Google’s data practices raise privacy concerns
   • Custom domains require a paid Google Workspace plan

   Cost / License

   FreemiumProprietary

   Categories

   Email Clients & Providers

   Platforms

   WebiPhoneAndroid

   Features

   AI assistantCustom email domainOffline modeSend laterTwo-factor authentication

   Visit websiteMore about Gmail