title: How to use inapppurchase in iphone app?
body: <p>I am familiar with inapppurchase that lets you use additional features of the app.But i have no idea how to give user extra features.I have following queries:</p>
  
  <ol>
  <li>If i am showing 6 items to user from an array.If i made user purchase 4 additional items,them how will i show them to the user as i have fix 6 items in my array.Do i have to create a new app which has all 10 items in it ? or there should be all 10 items in the first app but shown only 6 and then increse array value if user purchase?</li>
  <li>Does inapppurchase means adding new features to an appor just unlocking locked featues that were already inside the app but just disabled?</li>
  </ol>
  
  <p>Thanks in advance!!!!!</p>