This app needs a lot of work.
Pros:
Easy to view and search for designs.
Cons:
Doesnt always show all available alternate clothing options for given design.
No way to save your account / billing info. Every time you make an order you have to type in everything again - right down to your name. Very annoying and time consuming.
No way to check on an existing order. Since you cant establish an account, after you place an order you have to go through their website (using the email you received) to check on it.
A very austere app at best. A lot of room for improvement.
Greg Schmidt about Threadless