Boomerang

https://itunes.apple.com/us/app/boomerang-mail-app/id1236906322?mt=8

Boomerang for iPhone includes everything you need from an email app: snooze, send later, response tracking, follow up reminders and more! iPhone users can get more done with the first work-focused AI voice assistant.

Learn more at http://www.boomerangapp.com/iphone

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Boomerang Respondable uses artificial intelligence to help you write better, more actionable emails in real time. Based on data from millions of messages, Respondable makes every email you send more effective.

Find out more at: http://www.boomeranggmail.com/respondable/

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Boomerang for Outlook and Office 365: The Ultimate Email Productivity Tool Comes To Outlook

Boomerang for Outlook - http://www.boomerangoutlook.com/

Send messages at the perfect time, get a reminder if your email doesn’t receive a response, and add a smart calendar assistant that lets you schedule meetings and share your real-time availability, all without leaving your email!