The app this is advertising helps non-native speakers with their accent, I assume to sound more American. This is a great goal, and I'm sure there are a lot of people who would be willing to pay the $200-$300 yearly subscription cost. Apparently the AI part is not even the main function of the app, that's what the extra $100 are paying for[1].
I would be interested in an AI-only product that would help me learn to passably immitate various English accents, like Australian, Irish and so forth, for fun. I know that ChatGPT Voice can do accents pretty well, I've been wondering if it would also be able to help me with mine, but I haven't tried it seriously.