I really think it is important to do a alpha round and it is even better if you do it before you have all the features on. And you know why? Because your friend

I really think it is important to do a alpha round and it is even better if you do it before you have all the features on. And you know why? Because your friends that come and test your alpha version will tell in what direction should you head. They will now better than you. Maybe those features that you say will make your app complete on a minimal level is not what your audience is looking for. My best!