This is against the Show HN rules from what i can see:

> If your work isn't ready for users to try out, please don't do a Show HN. Once it's ready, come back and do it then. Don't post landing pages or fundraisers.

https://news.ycombinator.com/showhn.html

I didn’t know that! I really wanted to know if people are interested in that type of product or not, the app is almost ready, actually I’m in beta testing step

It's okay, we all miss these guidelines from time to time but if you wanted to know if people are interested in that type of product or not before launch, you can join the monthly discussion "Ask HN: What are you working on?" [1]. If the HN community is interested in your idea, you will get a lot of feedback/questions to validate your concept.

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1.(https://hn.algolia.com/?dateRange=all&page=0&prefix=true&que...)