Is the News Letter a Good Way to Drive Subs?

I've been considering more and more about whether or not i'm missing out on that because the click througes are so high. I do continue to use the news letter to drive reviews, especially on apple pod casts - if is got reviews. But just to don't forget that you should be subscribed. Or when it's my birthday, for instance, every time it’s my birthday, give me five stas, like nat in the news letter. Ye o. So reviews really do matter. A good hack for people that are struggling to get the reviews up,. If people are tagging you on instogram and saying that i really enjoyed your stuff, or tagging you on twitter