I believe you are misinformed. You're describing "communist dictatorship". There are other forms of Communism in the world. From the Israeli Kibbutz to the Mondragón Corporation, the gamut of communism as implemented is wide.

Is there any other form of communism than dictatorial?

Dictate number 0 of communism is: you cannot leave. Cause of you could, all productive people would flee instantly.

That, in my book, makes is a dictatorship.

History says that there is (at least) one counter example : https://en.wikipedia.org/wiki/Revolutionary_Catalonia

In fact, people flocked to it.

> Is there any other form of communism than dictatorial?

He just gave you two examples.

The USSR loved to use communist slogans but the implementation was pure autocracy.

Are you even listening to what people are telling you here?

All forms of government, historically, lead to autocracy.