[tcldr]

It’s the app’s financial data. Not usage data.

App developers would keenly sign up for this to get analysis and visualisation tools of the financial reports provided by Apple.

At the time App Annie came about all that Apple provided devs with was a CSV broken down into line items per country.

A bunch of companies made paid for visualisation and analysis tools/saas for this data but then app Annie had the bright idea of offering it for free and using the data to create aggregated (or not) intelligence tools.

[lifeisstillgood]

So the app developer would download Apple data, load it up on AppAnnie and get a nice bar chart? And an assurance they would not sell the data (without anonymising it). This is who signed up when and who made a purchase etc.

Thank you