When comparing Mail vs Seed, the Slant community recommends Mail for most people. In the question“What are the best e-mail clients for iOS?” Mail is ranked 9th while Seed is ranked 17th. The most important reason people chose Mail is:
Mail finally supports Push for Gmail accounts in iOS 11
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Supports Push in Gmail
Mail finally supports Push for Gmail accounts in iOS 11
Pro Comes pre-installed on all iOS devices
No need to go out and install another app from the App Store.
Pro Integrates with iOS search
You can use spotlight to search through emails.
Pro Includes calendar information for added accounts
For each account added to the application Seed will attempt to pull associated calendars into the app as well allowing you to manage both mail and calendar events from one application.
Cons
Con Some emails on iPad have excess padding
iPad version adds padding to text that can't be overridden and it can mess up the layout of the email.
Con No way to delete emails in bulk
Emails have to be deleted one at a time.