K-9 Mail vs Spark : Which is Better?

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

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Spark icon

Spark

Spark is a fast, smart mail manager app. Developed by Readdle

License: Free

Categories: Office & Productivity

Apps available for Mac OS X iPhone iPad Apple Watch

K-9 Mail VS Spark Feature comparision

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

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