PostmanMojo works great with Apple Mail & Microsoft Outlook. But we have been exploring some of the new mail apps on the market and the ones below are pretty cool. Most of these are free or under $10.00.
Inky®, An App for All Your Email
Smart Views, Unified Inbox, Relevance Sorting, Cloud Enabled, and More!
MAC, IPHONE, WINDOWS
Lightning Fast Mail Client
Designed for Yosemite
Powerful, intuitive, and faster than a scalded monkey, the Postbox email client will help you stay on task, find information quickly and act, not react.
A simple, task-oriented approach to email.
Quickly manage and productively organize your Inbox with Mail Pilot.
MAC, IPHONE, IPAD
Microsoft’s release: Outlook IOS client for iPhone & iPad
IPHONE & IPAD