To see analytics and statistics for your app's users, go to Engage -> Analytics.
Under tab Users you can see your users' social and sharing activity in certain time period - which can be changed as you choose.
Places tab shows statistics of check-ins.
In Deals tab you can see how many coupons are claimed and redeemed.
Export lets you export all user analytics data to a .csv file. You can choose the time period for which you'd like to export data.