If you need a simple "Robot voice" effect, use AlterBoy. If you want to create a 6-part harmony from a single vocal take or design cinematic risers, Pitch Monster is the only choice.
If you'd like to dive deeper into this tool, I can help you: Troubleshoot installation issues on Windows. Design a specific sound (like a monster growl or a robot). it to other pitch shifters like AlterBoy or Waves Tune. How can I help you get the most out of your plugins