Here is a story on the walkie talkie app I mentioned: http://www.businessinsider.com/zello-walkie-talkie-tops-app-store-ahead-hurricane-irma-2017-9 http://www.

Here is a story on the walkie talkie app I mentioned: http://www.businessinsider.com/zello-walkie-talkie-tops-app-store-ahead-hurricane-irma-2017-9 http://www.businessinsider.com/zello-walkie-talkie-tops-app-... Unfortunately I don’t have any good articles to hand on seasonality and the App Store. I’m mobile developer so I follow the App Store rankings throughout the year. It’s something you definitely notice.