difference of pro and free

Hi!

Coudl not find the difference between the free version of awoCoupon and pro anywhere. Could You please state them?

Thanks,

Free version
+ Product(s) specific discounts
+ Customer(s) specific discounts
+ Trigger the use of coupons if a minimum cart total is reached
+ Set expiration dates for coupons
+ Restrict the number of times a coupon can be used by any given user

Pro Version
+ Everything in the free version
+ category coupons
+ manufacturer coupons
+ vendor coupons
+ shipping coupons
+ parent coupons
+ progressive coupons
+ gift certificate coupons
+ ability to sell gift certificates
+ history of uses
+ import function
+ reports (including exporting to excel)