I'm trying baseline a very basic metric - the number of new users. For example, Yesterday, First Launches = 2,635 users while Apple reported 1,085 Downloads. What am I missing?
First Launches - Triggered on the first run after an installation or a re-installation. I would check in proxy if lifecycle metrics are double firing. If you are looking for a detailed integration can use appFigures data connector. Its is a paid connector not sure if any free one is available.