Opera Mail vs K-9 Mail : Which is Better?

Opera Mail icon

Opera Mail

Opera Mail (formerly known as M2) is the email and news client developed by Opera Software. Developed by Opera Software

License: Free

Categories: Office & Productivity

Apps available for Mac OS X Windows PortableApps.com

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K-9 Mail icon

K-9 Mail

K-9 Mail is an open source email client with support for multiple accounts, search, IMAP push email, multi-folder sync, flagging, filing, signatures. Developed by K-9 Dog Walkers

License: Open Source

Categories: Office & Productivity

Apps available for Android Android Tablet

Opera Mail VS K-9 Mail Feature comparision

Feature Opera Mail K-9 Mail
Built-in RSS reader
Integrated Email Client
Integrated Spam Protection
Mail filtering
Message Filtering
Portable
Calendar integration
Automatic Backup
Built-in themes
Built-in translation
Extensible by Plugins/Extensions
Support for IMAP
Encryption
Ad-free
Configurable
Encrypted chat
Address book integration
Built-in Calendar
Exchange
Unified inbox
Multiple Account support
Customizable
Email tracking
CalDAV
Clean design
Sync across Devices
Bundled with macOS
CardDAV
Encrypted Email
Gantt-charts
Kanban boards
Work Item Tracking
Agile boards
Lightweight
Content Filtering
Privacy focused
Header sorting
One view multiple accounts
PGP Encryption
POP3 Support
Security & Privacy
*community curated information: This table may not have the most accurate information. Please suggest changes

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