When comparing Newton vs Canary Mail, the Slant community recommends Canary Mail for most people. In the question“What are the best e-mail clients for macOS?” Canary Mail is ranked 6th while Newton is ranked 10th.
Ranked in these QuestionsQuestion Ranking
Pro Know who's emailing you
Newton grabs information from LinkedIn, Facebook, and Twitter accounts linked to the sender's email address. It then displays information which can help you figure out who the emailer is, such as their job title and where they work.
Pro Logs messages to Salesforce
Pro Works across multiple platforms
While there is no Windows app, Newton is available on iOS, Android, and macOS, including Android Wear and Apple Watch.
Pro Snooze incoming emails
You can snooze emails to come back at a convenient time - whether it be in 2 hours, or next Wednesday.
Pro Pretty Good Privacy or PGP built-in
Pro Gorgeous and intuitive
Pro No personal data stored on servers
No access tokens, passwords, attachments or email itself is stored on Canary servers.
Pro Local email database is encrypted on disk
Canary stores your local email database encrypted.
Con Subscription based
Newton costs $49.99 per year after the 14 day free trial.
Con Poor text editing capabilities
The cursor is laggy so you're better off using keyboard shortcuts.
Con Windows moves randomly
When you create a new email, the new windows is often misplaced so that you have to move it to reach the "Send" button.
Con Poor handling of new emails
You sometimes need to wait very long before your email actually gets delivered.
Con Show NO show
It'll show I have new email as a counter but I'm not able to view them.