Ah, emails.

Love ’em or hate ’em (I fall into this camp), emails are crucial to sales, and reps have to be good at writing them. But emails are a difficult medium to master.

Thankfully, you don’t have to do it alone. There’s a whole world of apps, extensions, tools, and shortcuts that make it easier for you to write better emails. We’ve picked five of the best.

5 Apps That Improve Sales Emails, Fast

1) Crystal

Everyone communicates differently; more importantly, everyone likes to be addressed differently. Crystal is a Gmail extension that aims to help professionals “communicate with empathy.”

The app provides “personality profiles” for people you correspond with, which include tonal suggestions such as “Stick to the big picture” and “Project boldness and confidence”; writing tips like “Write with short casual language” and “Use data to prove a point”; and personality traits.

In addition, Crystal provides real-time feedback…