Compare software

eM Client vs Pegasus Mail: catalog facts
eM Client	Pegasus Mail
Freemium Free licence for personal, non-commercial use with up to two accounts; Personal from…	Free Free to use; the developer accepts donations.
Windows, macOS, Android, iOS	Windows
Handles Gmail, Microsoft 365, Outlook, Exchange and plain IMAP without plugins Email, calendar, tasks, contacts, notes and chat in one polished window	Free with no paid tier Decades of continuous development
No Linux version The free licence is capped at two accounts and forbids any commercial use	Windows only Traditional interface and slow release pace
Downloadable app	Downloadable app
Closed source	Closed source
License not stated	License not stated
Account needed	No account needed
Works offline	Not stated if it works offline
Official website Full listing and sources Checked September 20, 2026	Official website Full listing and sources Checked September 23, 2026

Catalog facts only. Anything “not stated” is unconfirmed. Check full listings for details.