Phantom Users: Where the 'Bots' in Your Mobile Analytics Come From and How to Tell Them from Fraud
A batch of new users suddenly shows up in your analytics, all on the same old phone model: they open the app, poke around for a minute and leave. The first thought is fraud and a burned ad budget. Often it's Google's own robots from the pre-launch report. How to tell test devices from bots, check the source in five minutes, and filter that traffic out so it doesn't ruin your funnel and retention.