What do people call paying for the promise of success when you know you lack the ability to deliver results? It's half way between the gym membership model and downright fraud.
Want to run? Run. Want to learn a new language? Communicate to the people who speak it. Everything else is just a distraction and waste of resources.
If you do this or buy any of these apps then you aren't "a person who is trying" you are a person who has already given up.