Cal AI: the app we clone, and Flutter vs Expo

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So, there's a platform, AppArk, and, here you can find out about how much the revenue a particular app is doing, and the reviews and everything like that. So I have already made a video about a platform which has generated quite a lot of, revenue, which was a vibe-coded application created by someone who is not even eighteen years old. and he grew that and sold it for hundred million dollars. I mean, imagine, like, even a million dollars sounds like a amount which people dream of, and this guy, not even crossing his twenty, age, and is just selling his app for hundreds of millions of dollars. and many of people might already know it's Cal AI. And not only him, a lot of people created their version of that. And in this video, I'm actually talking about one of those version. The product is called Cal Buddy, and that product ended up generating fifty-eight lakh rupees per month. No new thing, no nothing, new idea. He just realized that, you know what? This app has a very huge audience, a very large TAM, basically Total Addressable Market. And, one app may sometimes might not be able to address everyone. So when you go to a particular product page, Cal AI might be focusing more of, like, the English native audience. So what a lot of people have done, I have seen at least two, apps which are same Cal-- this guy named Cal Buddy, someone else named something else. One targeted the Russian audience, one targeted some other country, and they just try to have their screenshots and everything personalized that, and they are generating, fifty-eight lakhs, someone is doing few other lakhs. So the point being, this is a very interesting idea, and, let's search about that. So I'll just type Cal AI here, and let's see what comes up. So you can see, it's over here. I can just click on it, and we have all the information from revenue, downloads. it even have tags and how it's grossing number top. you can see the competitors as well and, the screenshots. Now, whenever you are trying to recreate an application, you need to, first understand,…