The supported languages are enumerated in the app store descriptions, but I'll make it more explicit on the landing page too. Thanks for your feedback!
Thank you so much for taking the time to write this. This is the kind of feedback I'm looking for! :) I'll address those point by point, and ask for clarifications when needed
1. Montreal roads are horrible indeed!
2. Fixing the back button is in my top priorities, good catch.
3. My landing page does mention that there are 18 languages available, but I should make it more explicit like in my app store descriptions where they are all enumerated
4. As a baseline, I copied other popular language learning app's pricing strategies. Since it's a Freemium model, I don't want to show Pricing until the Free limits have been attained, or else people might think there is no Free option. Could you clarify when and how you would display the Pricing?
5. Right now, it speaks the text, it translates the text, you can speak to it with your voice, it explains every single mistake word by word. Basically, the UI is better suited for language learning specifically. Later, you'll be able to create flashcards from new words you learn, and much more.