The main difference between managed and un-managed is that a managed purchase can only be bought once and is tied to the Google account that purchases it.
Un-managed purchases can be bought multiple times and are intended for consumable items.
For more information, please see the [Choosing a Purchase Type](http://developer.android.com/guide/market/billing/billing_admin.html#billing-purchase-type) section of the Google in-app billing documentation.

The main difference between managed and un-managed is that a managed purchase can only be bought once and is tied to the Google account that purchases it.
Un-managed purchases can be bought multiple times and are intended for consumable items.
For more information, please see the [Choosing a Purchase Type](http://developer.android.com/guide/market/billing/billing_admin.html#billing-purchase-type) section of the Google in-app billing documentation.