Startup Crash Rate
Startup Crash Rate is an analytics and metrics concept for measuring crashes during cold start before UI is usable so teams measure product health with confidence.
This definition sits in our Analytics & Metrics glossary cluster alongside Crash Free Sessions and ANR Free Users.
Definition of Startup Crash Rate
Startup Crash Rate in practical product analytics means measuring crashes during cold start before UI is usable. For lean teams, results are strongest when each review tracks startup crash rate by OS version and device instead of dashboard theater. A recurring failure mode is startup crashes masked by retry opens in aggregate metrics, which leads to wrong decisions and wasted experiments.
Why Startup Crash Rate matters
- It gives a concrete lever to improve startup crash rate by OS version and device with limited analytics bandwidth.
- It connects instrumentation, reporting, and experiments to actionable decisions.
- It reduces guesswork by making metric definitions and ownership explicit.
- It prevents startup crashes masked by retry opens in aggregate metrics from distorting what the team optimizes.
Example: Startup Crash Rate for a mobile product team
A product squad applies Startup Crash Rate by focusing on SDK init order fix cuts startup crashes on Android twelve. After the next release cycle, they review movement in startup crash rate by OS version and device and adjust roadmap priorities.
Related terms for Startup Crash Rate
Terms that reference Startup Crash Rate
Common questions about Startup Crash Rate
How should a small team adopt Startup Crash Rate without overengineering?
Start with one KPI tied to startup crash rate by OS version and device and instrument Startup Crash Rate for that journey only. Ship, review weekly, and expand taxonomy when definitions are stable.
What is the most common mistake with Startup Crash Rate?
The common trap is startup crashes masked by retry opens in aggregate metrics. When this happens, dashboards look busy but decisions still rely on gut feel.
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