Is it possible to purchase the app and all the add-ons?

You can now purchase the app and all add-ons by following these steps:

1. Tap the Add-Ons tab bar item
   
   
   
   
2. Scroll down to the "Bundles" section and tap the "The Ultimate Bundle" row.
   
   
   
   
3. The "Info" page will then load which will provide you with details about the purchase.
   
   
   
   
4. You can also view screenshots:
   
   
   
   
5. When you are ready to purchase, tap the "Buy" button in the upper right corner of the screen.
   
   
   
   
6. Then follow the In-App purchase instruction provided by Apple to complete the purchase.