This French CEO launched his startup in China — and ended up making one of Silicon Valley's most popular app platforms

App Annie’s service immediately hit the sweet spot for many app developers. Its can track things as basic as the number of downloads and users, and as complex as user behavior and how it impacts revenue growth. It also shows how competitors perform in certain areas and what trends are emerging in different categories. It ultimately turned into a kind of de facto business analysis software for mobile apps.

Now, it claims to have over 400,000 app developers from 60 countries using its service, including 94% of the Top 100 app publishers.

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