When comparing Mailplane 3 vs Mail Pilot, the Slant community recommends Mailplane 3 for most people. In the question“What are the best e-mail clients for macOS?” Mailplane 3 is ranked 18th while Mail Pilot is ranked 20th. The most important reason people chose Mailplane 3 is:
The tabbed interface included in Mailplane 3 lets users work with as many Gmail accounts simultaneously as they want.
Specs
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Pros
Pro Can work with mutiple Gmail accounts simultaneously
The tabbed interface included in Mailplane 3 lets users work with as many Gmail accounts simultaneously as they want.
Pro Fast and light
Pro Doubles as a calendar
Mailplane 3 combines Google Calendar and Gmail within a single app.
Pro Easy to use
Mailplane 3 looks just like Gmail's web UI and even imports Gmail shortcuts. If Gmail shortcuts aren't ideal for the user, those of Mac can be used instead.
Pro Supports many plugins
Functionality and features can be extended by using plugins.
Pro Good security features
There are options to display URLs you get in emails, or to disable pictures by default if you are afraid of getting malicious data from suspicious emails.
Pro Doubles as a to-do application
Mail Pilot turns emails into tasks. It has a built-in system of setting reminders and collecting emails into groups as to-dos.
Cons
Con Written for those who drink Google's Kool-Aid
It's a thinly-veiled skin over the browser interface. Why bother?
Con Can freeze very often
Con Gmail only
Mailplane 3 is a Gmail-only client. It does not support other email providers.
Con Makes a huge mess of IMAP mailboxes
Builds many new categories and basically uses IMAP as a database. Makes it difficult to work alongside other mail clients or webmail.
Con Not reliable
Mail Pilot seems to be riddled with bugs and glitches.
Con Not for everyone
Since it's mainly focused to turning emails to tasks and a strong believer of "inbox zero", it may not be suitable for everyone's workflows.
