Device Metrics is an app for your online store that will pull order data, analysis it, and then display how many orders were placed per device (iOS, Android, Mac, Windows, and others). You can sort by year and iOS version.
"Mobile Now Accounts for 50.3% of All Ecommerce Traffic." - Shopify
How many orders have been placed on a mobile device in 2015? Now you can easily answer this question and more with Device Metrics.