In order to know exactly who downloaded your app, you must purchase our Core, Team, or Volume plan.
On the Analytics page, there is a link that allows you to download an install report in CSV format. The downloaded file can be uploaded in Excel or most other spreadsheet programs.
Note that this report only includes active installs for your app. If a user has uninstalled your app, or your app has been archived in the past, the affected users will not appear in this report.