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K-9 Mail VS Mailspring

Compare K-9 Mail VS Mailspring and see what are their differences

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K-9 Mail logo K-9 Mail

K-9 is an opensource email client making it easy to chew through large volumes of email.

Mailspring logo Mailspring

Mailspring is a mail client for Mac, Windows and Linux.
  • K-9 Mail Landing page
    Landing page //
    2023-07-23
  • Mailspring Landing page
    Landing page //
    2021-10-16

K-9 Mail videos

+ Add

K-9 Mail Review

More videos:

  • Review - K-9 Mail App Review
  • Review - K-9 Mail - Eine freie Mail-App für Android

Mailspring videos

+ Add

Installation and Configuration Free Email Client Software Mailspring

More videos:

  • Tutorial - How To Install Mailspring On Linux

Category Popularity

0-100% (relative to K-9 Mail and Mailspring)

K-9 Mail

Mailspring

Email
36 36%
Email
64% 64
Email Clients
43 43%
Email Clients
57% 57
Calendar
44 44%
Calendar
56% 56
Enterprise Communication
43 43%
Enterprise Communication
57% 57

User comments

Share your experience with using K-9 Mail and Mailspring. For example, how are they different and which one is better?
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Reviews

These are some of the external sources and on-site user reviews we've used to compare K-9 Mail and Mailspring

K-9 Mail Reviews

We have no reviews of K-9 Mail yet.
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Mailspring Reviews

11 Top Outlook Alternatives to Try
Mailspring offers activity tracking, meaning you get notified as soon as contacts read your email messages, and link tracking, so you can see who’s tracking your links.
Source: kinsta.com
10 BEST Outlook Alternatives in 2023
Mailspring detects the language you are using and automatically spellchecks in that language.
Source: www.guru99.com
5 open source webmail clients for browser-based email
Mailspring supports multiple accounts, read receipts, translations, undo send, and other popular email client features.
Source: opensource.com

Social recommendations and mentions

Based on our record, Mailspring should be more popular than K-9 Mail. It has been mentiond 25 times since March 2021. We are tracking product recommendations and mentions on various public social media platforms and blogs. They can help you identify which product is more popular and what people think of it.

K-9 Mail mentions (4)

  • For the past 3 months in my spare time I was developing this list with Awesome Android Alternatives! Please check this out, you might find something useful, or maybe you can help me make it even better. Have an awesome day!
    Yes, of course you can. I am aware of this app but I have not yet fully tested it. I know about K-9 Mail too. Also not tested. Source: almost 2 years ago
  • For the past 3 months in my spare time I was developing this list with Awesome Android Alternatives! Please check this out, you might find something useful, or maybe you can help me make it even better. Have an awesome day!
    I agree because I need to test it. I am aware of K-9 Mail and FairMail though. Source: almost 2 years ago
  • Email send error javax.crypto.BadPaddingException: pad block corrupted
    I've rebooted quite a few times. Updated the app too. I don't use a VPN. I installed k9-mail to test and that works without problems. https://github.com/k9mail/k-9. Source: about 2 years ago
  • Gmail App Alternative focused on privacy?
    On Android the usual recommendations are FairEmail or K-9 Mail. Both are fully open source and privacy focused, it basically comes down to your personal preference. For them to work with your Google Account you will probably have to create an app password. Source: almost 3 years ago

Mailspring mentions (25)

  • The Future of Thunderbird: Why We’re Rebuilding from the Ground Up
    I love Mailspring, it's modern and open source: https://getmailspring.com/ The UI uses Electron, but the actual sync engine is in C++, so it's pretty fast. - Source: Hacker News / about 1 year ago
  • Translate text inside Apple Mail
    The only app I’m aware of which translates emails is this; https://getmailspring.com. Source: about 1 year ago
  • linux: choosing a well-supported and future proof email desktop client?
    Mailspring is quite nice. It also has a paid version and is actively updated so I think it's likely to stick around for awhile. Source: about 1 year ago
  • Cross Platform Email Client
    Mailspring, which is open source, is currently my recommendation for a desktop email client. Source: over 1 year ago
  • Which email client do you prefer and why?
    Mailspring. Open-source and fully local, but an optional account and optional subscription for premium cloud-based features. Thunderbird was too cluttered and Geary, although I really wanted to like it, was just too minimal. Source: over 1 year ago
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What are some alternatives?

When comparing K-9 Mail and Mailspring, you can also consider the following products

Thunderbird - Thunderbird is a free email application that's easy to set up and customize - and it's loaded with great features!

Microsoft Outlook - Organize your world. Outlook’s email and calendar tools help you communicate, stay on top of what matters, and get things done.

Spark Mail - Spark helps you take your inbox under control. Instantly see what’s important and quickly clean up the rest. Spark for Teams allows you to create, discuss, and share email with your colleagues

eM Client - eM Client is a fully-featured email client for Windows and macOS with a clean and easy-to-use interface. eM Client also offers features for calendars, tasks, contacts, notes, and chat.

Mailbird - Mailbird is the best email client for Windows 7, 8 and 10

Airmail - Airmail is a lightweight and lightning fast mail client for Mac.

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