App Annie is generally considered the best mobile market research company, as most of the top 100 apps use their integrated dashboard to track their own earnings.
Source: http://venturebeat.com/2017/01/17/pokemon-go-generated-revenues-of-950-million-in-2016/
Pokémon Go generated an estimated $950 million in revenues in 2016, according to a report by market researcher App Annie.
Niantic Labs launched Pokémon Go on July 6, 2016, and it became a smash hit. Within a couple of months, Niantic announced that it had been downloaded more than 500 million times.
Source: http://venturebeat.com/2017/01/17/pokemon-go-generated-revenues-of-950-million-in-2016/