When comparing Mutt vs Nylas N1, the Slant community recommends Mutt for most people. In the question“What are the best native e-mail clients for Linux?” Mutt is ranked 4th while Nylas N1 is ranked 6th.
Ranked in these QuestionsQuestion Ranking
Pro Terminal based
Pro Small and efficient
Pro Threads emails
Pro Highly Configurable Macros
Pro Active development
Even though it was first released in 1995, Mutt still enjoys an active community following it and having new releases constantly.
Pro Beautiful UI
Pro Open Source
Pro Has introduced features that are not available in better-known apps
Like a 'new generation' app - quite a revelation in simple addition of various emails from separate providers with different forms of password/2-step/other verification and sign ins - all failed by many better known apps on this list.
It runs inside the terminal so it doesn't display HTML email, fonts, or graphical elements.
Con E-mail is synced in their own servers
aha - but Nylas is no longer N1 since January 2017.
This no longer applies!
Con High memory usage
Con Weak support
Bug fixes take too long to be released.
Con Custom IMAP accounts can not sync
Con High CPU usage
Con No more free version
Now 'Basic' is free. Basic is very good.
'Pro' is overkill for most users.