**You are correct**

A [rogue access point][1] is specifically an AP inside a network not administered by the network owner, giving it unwanted access to network.

An [evil twin][2] is a copy of a legitimate access point not necessarily giving it access to a specific network or even to internet. The wireless mode of these connections are [ad-hoc][3], you can have an evil twin of your home network on a public park, just for the purpose of connecting your device to that network to do... evil things?


  [1]: https://en.wikipedia.org/wiki/Rogue_access_point
  [2]: https://en.wikipedia.org/wiki/Evil_twin_(wireless_networks)
  [3]: https://en.wikipedia.org/wiki/Wireless_ad_hoc_network