Why My App Crashed 47 Times in One Week (And the Monitoring Tool That Would've Saved Me)

47 crashes in one week. That's what happens when you ship an app to 50,000 users without proper error monitoring. My app's rating started tanking. Users were leaving one-star reviews. And I had no idea what was actually causing it. The Play Console crash reports told me something was wrong, SIGABRT errors related to AdMob, but they didn't tell me why or where in my code it was happening. The ad unit ID wasn't making it to the app somehow, but I couldn't pinpoint the exact failure point. So I did what any panicking developer would do: I started guessing. What I Tried (That Didn't Work) I pushed update after update, each one adding more try-catch blocks and "precautionary" error handling around the ad loading logic. Update 1: Wrapped ad initialization in try-catch. Still crashing. Update 2: Added null checks everywhere. Still crashing. Update 3: Added more defensive code around the ad unit ID. Still crashing. Each update took time to build, publish, and roll out. Each time, I'd wait anxi