Pros :

• This can really help improve your marketing strategy making you get more customers and possibly increase your expected sales.
• It provides some automatic spelling correction which helps you that you do correct grammar and sentences, making sure that it is built professionally.
• It does provide what you type instantly which can be a really convenient way to check and search.
• It does help you provide a very personalized email, making sure that customers will be triggered and possibly purchase back services or products from you.
• It does provide graph and charts, giving you some insights and statistics which can really help your marketing needs.

Cons :

• You can try for free but you will purchase $119 individually for their services per month.