Headspace

If you’re looking for a more robust mediation app than Oak, Headspace is a good bet. It has hundreds of exercises to help you achieve peak enlightenment, and even has options to help you fall asleep.
Headspace is free to download, but that doesn’t mean it’s cheap. It’s $12.99 per month, $69.99 per year, or a whopping $399.99 for a lifetime subscription. That being said, it has 4.9 stars. Get Headspace from the App Store