Reviews are very, very tricky in my experience. A few things I have noticed on my own app: 1. Any negative review hurts. It doesn't matter if it's a legitimate

Reviews are very, very tricky in my experience. A few things I have noticed on my own app: 1. Any negative review hurts. It doesn't matter if it's a legitimate negative review, someone you're pretty sure isn't even referencing your product in the review, or a positive review where they thought 1 star meant great rather than 5 stars. 2. One negative review hurts worse than zero reviews. One or more negative reviews will consistenly drop my daily sales by around 30%. 3. People will almost never read beyond the current reviews. Those that do will ignore the date the review was posted, and often the top reviews shown are from years prior in the All Versions tab. Apparently Apple knew this too because that tab no longer shows the date on the iPad/iPhone App Store apps (iTunes still shows it). 4. Gaming the review system by submitting a new version works. This clears the reviews from the default tab (Current Version) and is the only way to "remove" abusive reviews. Flagging a reviews does absolutely nothing.