When comparing Dispatch vs Mail, the Slant community recommends Dispatch for most people. In the question“What are the best Gmail clients for iOS?” Dispatch is ranked 4th while Mail is ranked 9th. The most important reason people chose Dispatch is:
TextExpander is a text macro tool that can, among other things, autofill your adress, signature, etc. It does that with a feature called 'snippets' and Dispatch has that functionality built in so you can respond to your e-mails quicker.
Specs
Ranked in these QuestionsQuestion Ranking
Pros
Pro Supports TextExpander touch snippet expansion
TextExpander is a text macro tool that can, among other things, autofill your adress, signature, etc. It does that with a feature called 'snippets' and Dispatch has that functionality built in so you can respond to your e-mails quicker.
Pro Integrates with a wide variety of other services
Dispatch has support for 22 third-party apps, including: 1Password, Asana, Calendar, Evernote, FaceTime, Instapaper, Maps, Readability, Reminder, Things, Twitter among many others.
Dispatch will scan your e-mail for dates and times, phone numbers and e-mail addresses, real-world locations/addresses, web links, etc. and offer taking action with one of the aforementioned apps.
Pro Quick actions on swipe
A short swipe off the message will bring up a menu with 5 options of interacting with the message: mark it read, star/flag it, archive it, move it to a folder of choice, or delete it.
A longer swipe will initiate a user-configured "quick action" such as archiving or marking the message as junk.
Pro Automatic salutation
When you're replying to a message, Dispatch will check the sender name and automatically start the message with Hi Name,. You can choose to turn it off completely or configure to take place only in certain situations.
Pro Background refresh
Dispatch will download mail in the background so you don't have to wait for it to update when you open your app.
Pro Clean design
The design of dispatch is minimalistic and intuitive if you've ever used gestures. An uncommon design choice includes focusing on the body of the text when choosing to compose a message and filling out the subject and who to send the message to later.
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.
Cons
Con iPhone only
Dispatch has no iPad version.
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.