Free version refreshes every 24 hours, and displays their logo at bottom. Paid one can be as fast as 20 minutes, and remove their branding. Basic control of number of posts and layout, but this is as wide as it gets. Paid = $11.95/mo
INstagram Option 2
Nope. Paid,= $9.95/mo...not clear if offers many more options
INstagram Option 3
Zero control of free version, paid version allows more options for choosing # of rows and columns, and display of captions