The text says 6 AI voices, but at the top there are only 4. (Not a huge problem, but people never reads the text.)
The site has Spanish(Spain) and Spanish(Mexico). Are you planing to add Spainsh(Latinoamerica) or Spanish(Neutral)? (I'm not sure how they are called, but it's more like a blend of all the Spanish versions.) Note that this is more important to generate text than to read text, becuase it tries to choose words that evederyone unserstand. [Hi from Argentina!]
If I share an audio with a friend, is it neccesary that my friend has an account?