From eronred-aso-skills-9
Guides mobile app developers in setting up, interpreting, and optimizing analytics tracking with App Store Connect, Firebase, Mixpanel. Covers acquisition, engagement, retention metrics, funnels, attribution.
How this skill is triggered — by the user, by Claude, or both
Slash command
/eronred-aso-skills-9:app-analyticsThe summary Claude sees in its skill listing — used to decide when to auto-load this skill
You are an expert in mobile app analytics and measurement strategy. Your goal is to help the user set up meaningful tracking, interpret their data, and make data-driven decisions.
You are an expert in mobile app analytics and measurement strategy. Your goal is to help the user set up meaningful tracking, interpret their data, and make data-driven decisions.
app-marketing-context.md — read it for context| Tool | Purpose | Cost | Priority |
|---|---|---|---|
| App Store Connect | Store metrics, downloads, conversion | Free | Must have |
| Firebase Analytics | In-app events, funnels, audiences | Free | Must have |
| Mixpanel / Amplitude | Product analytics, cohorts, funnels | Free tier | Recommended |
| RevenueCat | Subscription analytics, paywall testing | Free tier | If subscriptions |
| Adjust / AppsFlyer | Attribution, UA measurement | Paid | If running ads |
| Crashlytics | Crash reporting, stability | Free | Must have |
Key metrics available for free:
| Metric | What it tells you |
|---|---|
| Impressions | How many times your app appeared in search/browse |
| Product Page Views | How many users visited your product page |
| App Units | First-time downloads |
| Conversion Rate | Product Page Views → Downloads |
| Proceeds | Revenue after Apple's cut |
| Sessions | App opens |
| Active Devices | Unique devices using the app |
| Retention | Day 1, Day 7, Day 28 retention |
| Crash Rate | Crashes per session |
Source types:
| Metric | Formula | What it means |
|---|---|---|
| Impressions | — | Visibility in App Store |
| Tap-Through Rate | Taps / Impressions | Icon + title effectiveness |
| Conversion Rate | Downloads / Page Views | Product page effectiveness |
| CPI | Ad Spend / Installs | Cost efficiency of paid UA |
| Organic % | Organic / Total Installs | Health of organic growth |
| Metric | Formula | What it means |
|---|---|---|
| DAU | Daily Active Users | Daily engagement |
| MAU | Monthly Active Users | Monthly reach |
| DAU/MAU | DAU / MAU | Stickiness (>20% is good) |
| Sessions/User | Total Sessions / DAU | Engagement depth |
| Session Length | Avg time per session | Value delivery |
| Metric | Formula | Benchmark |
|---|---|---|
| Day 1 | Users Day 1 / Installs | 25-40% |
| Day 7 | Users Day 7 / Installs | 10-20% |
| Day 30 | Users Day 30 / Installs | 5-10% |
| Churn Rate | Lost Users / Start Users | < 5% monthly (subscriptions) |
| Metric | Formula | What it means |
|---|---|---|
| ARPU | Revenue / All Users | Average revenue per user |
| ARPPU | Revenue / Paying Users | Paying user value |
| LTV | ARPU × Avg Lifetime | Total user value |
| Trial-to-Paid | Conversions / Trial Starts | Paywall effectiveness |
| MRR | Monthly Recurring Revenue | Subscription health |
| Churn Revenue | Lost MRR / Start MRR | Revenue retention |
# Onboarding
onboarding_started
onboarding_step_completed (step_name, step_number)
onboarding_completed
onboarding_skipped
# Core Actions
[primary_action]_started
[primary_action]_completed
[primary_action]_failed (error_type)
# Monetization
paywall_viewed (source, variant)
trial_started (plan, source)
purchase_completed (plan, price, source)
purchase_failed (error_type)
subscription_renewed
subscription_cancelled (reason)
# Engagement
session_started (source)
feature_used (feature_name)
content_viewed (content_type, content_id)
share_tapped (content_type)
notification_received (type)
notification_tapped (type)
# Settings
settings_changed (setting_name, old_value, new_value)
notification_permission (granted: boolean)
snake_case[object]_[action] (e.g., photo_saved, workout_completed)┌─────────────────────────────────────────────┐
│ Weekly Summary │
├──────────────┬──────────────┬───────────────┤
│ Downloads │ Revenue │ DAU │
│ [N] (+X%) │ $[N] (+X%) │ [N] (+X%) │
├──────────────┼──────────────┼───────────────┤
│ Conversion │ D1 Retention│ Rating │
│ [X]% (+X%) │ [X]% (+X%) │ [X.X] ★ │
└──────────────┴──────────────┴───────────────┘
Impressions → Page Views → Downloads → Activation → Purchase
[N] [N] [N] [N] [N]
[X]% [X]% [X]% [X]%
Retention curves by:
Current State:
- Tools in use: [list]
- Events tracked: [N]
- Key gaps: [list]
Recommendations:
1. [tracking gap to fix]
2. [metric to start monitoring]
3. [dashboard to create]
Provide a complete event tracking plan with:
When the user shares data, provide:
ab-test-store-listing — Measure test resultsretention-optimization — Interpret retention datamonetization-strategy — Revenue metric optimizationua-campaign — Attribution and UA metricsnpx claudepluginhub eronred/aso-skillsExpert consultant for app analytics strategy including metrics selection, cohort analysis, A/B testing, and retention optimization. Useful for product teams wanting data-driven growth.
Implements product analytics with event tracking, funnel analysis, A/B testing using Segment, Amplitude, Mixpanel, PostHog. Designs privacy-compliant event schemas and instrumentation.
Guides product analytics: AARRR framework, North Star Metric, A/B testing with 95% confidence, PostHog event tracking, funnel analysis, retention cohorts, feature flags. Use for KPIs, experiments, data interpretation.