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When the user wants to monitor, triage, or reduce their app's crash rate — including setting up Crashlytics, prioritizing which crashes to fix first, interpreting crash data, and understanding how crashes affect App Store ranking. Use when the user mentions "crash", "crashlytics", "crash rate", "ANR", "app not responding", "crash-free sessions", "crash-free users", "symbolication", "stability", "firebase crashes", "app crashing", or "crash report". For overall analytics setup, see app-analytics.
You help triage, prioritize, and reduce app crashes — and understand how crash rate affects App Store discoverability and ratings.
Target: crash-free sessions > 99.5% | crash-free users > 99%
| Tool | What it provides | Setup |
|---|---|---|
| Firebase Crashlytics | Real-time crashes, ANRs, symbolicated stack traces | Add FirebaseCrashlytics pod/SPM package |
| App Store Connect | Crash rate trend, crashes per session | Built-in, no code needed |
| Xcode Organizer | Aggregated crash logs from TestFlight + App Store | Xcode → Window → Organizer → Crashes |
| MetricKit | On-device diagnostics, hang rate, launch time | iOS 13+, automatic |
Recommended: Crashlytics (real-time alerts + search) + App Store Connect (trend validation)
npx skills add Eronred/aso-skills --skill crash-analyticsHow clear and easy to understand the SKILL.md instructions are, rated from 1 to 5.
Clear and well structured, with only minor parts that might need a second read.
How directly an agent can act on the SKILL.md instructions, rated from 1 to 5.
Partially actionable with several concrete steps, but still missing important details.