How many devices can connect to Jetpack?

what is Grow by Mediavine in WordPress?

Grow is Mediavine's end-to-end engagement suite designed to streamline the process to increasing publisher revenue and enhancing audience relationships. Manage, promote and grow your audience – all in one place. Then track your success and make data-driven decisions.

Grow is a smarter and more efficient way to grow your audience without the expense and hassle of managing multiple platforms. Streamline your workflow, buy back time, and let Grow take care of email and audience engagement so you can focus on what you do best: crafting killer content.