Mailspring alternatives: 5 apps ranked by verified data
Common reasons people leave Mailspring: no mobile apps, and small team, so features arrive slowly. We ranked 5 alternatives by how directly each one replaces Mailspring, then by reviews, real visits and how recently each app's facts were checked against its own website. Thunderbird currently ranks first.
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Show all 5 alternativesThe best Mailspring alternative for…
The highest-ranked app in this list for each need.
Best Mailspring alternative for most people
ThunderbirdMore mature open-source client with calendars, OpenPGP and an Android app.
Best Mailspring alternative for a free option
GearyA lightweight open-source client for Linux desktops running GNOME.
Best Mailspring alternative for a free plan you can upgrade
eM ClientA Windows and Mac client with stronger calendar and Exchange support.
Best Mailspring alternative for open source
ThunderbirdMore mature open-source client with calendars, OpenPGP and an Android app.
Best Mailspring alternative for Windows
MailbirdA Windows and Mac client with many built-in app integrations.
Best Mailspring alternative for Linux
ThunderbirdMore mature open-source client with calendars, OpenPGP and an Android app.
Best Mailspring alternative for iPhone and Android
BlueMailFree on desktop and mobile, including Linux.
Mailspring alternatives: common questions
What is the best alternative to Mailspring?
Thunderbird ranks first right now. More mature open-source client with calendars, OpenPGP and an Android app. eM Client and BlueMail follow it in our ranking.
Is there a free alternative to Mailspring?
Yes. Thunderbird (open source), eM Client (free plan + paid), BlueMail (free plan + paid) and Mailbird (free plan + paid) have a free option. Check each app's verified facts for current plan limits.
Is there an open-source alternative to Mailspring?
Yes: Thunderbird and Geary.
Which Mailspring alternatives work on Linux?
Thunderbird, BlueMail and Geary run on Linux.
Why do people switch from Mailspring?
The complaints we hear most: no mobile apps; small team, so features arrive slowly; limited native Exchange support.
How is this list ranked?
Every app is scored with the same published formula: how directly it replaces Mailspring, reviews (weighted by verification), visits from AppBreakup, how recently its facts were checked against its own website, and reader votes.