Once you've activated the PRO VAG or ULTIMATE VAG plan using the provided activation code, the code can't be used again with another account. The activation code is for one-time use only and is permanently linked to the account it was initially used with.
You also can't transfer your PRO VAG or ULTIMATE VAG plan from one account to another.
Keep in mind, you can use your user account on multiple mobile devices and/or with multiple OBDeleven devices. All you need to do is to log in to the same OBDeleven account you have your PRO VAG or ULTIMATE VAG plan activated with.
Note: You can log in to your OBDeleven account on up to three mobile devices at once.