Regarding license type of 'Force.com - One App'
|Knowledge Article Number||000171437|
Force.com - One App" is designed to access only 10 custom objects. But In full copy sandbox, we are able to access more than 10 custom objects
|Resolution||Force.com - One App users are designed to access a single application defined as one custom app. The custom app must consist of no more than 10 custom objects, not including read-only access to the Accounts and Contacts objects. The limitation of 10 custom objects is contractual in nature; it is enforced through an org audit and not a technical limit. If found, violators of the Force.com - One App license must pay for a full Force.com license.|