2 posts tagged with "android-anr"

Users don’t always quit because your app crashes. They leave quietly - after a slow response, an unresponsive UI element, a failed API call, or a path that simply becomes harder than they expected. This is the silent churn that inflates your user abandonment rate without triggering obvious alarms in crash logs or APM dashboards.

This article explains how to find and fix user journey friction by analyzing the complete path to a goal - using onboarding as a concrete example. We’ll show how to link journey drop-offs and technical issues to conversion, retention, and revenue. Finally, we’ll introduce Goal Friction Impact (GFI), Appxiom’s approach to quantifying friction in goal-driven journeys so teams can prioritize the problems that matter most to the business.

Why abandonment hides in plain sight​

Most teams measure failures in isolation: crash-free sessions, API error budgets, or p95 latency. Useful - but incomplete. What they miss is intent. A user doesn’t just “tap a button” or “hit an endpoint.” They’re trying to sign up, complete onboarding, or purchase.

• A 500ms-per-step delay across a 7-step flow can compound into a perceived “slow app,” even when no single step is egregious.
• A non-fatal exception (e.g., JSON parse error) might not crash the app but can disable a “Continue” button.
• A retry loop that hides a failed API call can look fine in logs yet prompt a user to force-quit out of frustration.

Research underscores why this matters:

• As load time rises from 1s to 3s, bounce probability increases by 32% on mobile web - an effect that maps closely to app patience thresholds as well.
• Deloitte found that small speed improvements correlate with meaningful gains in conversion and revenue.
• On Android, elevated ANR and crash rates are directly associated with poor user experience and retention issues.

Silent friction is cumulative. If you only track errors, you’ll miss the true business impact: the users who try, struggle, and then disappear.

The metrics that matter: from events to outcomes​

To diagnose silent churn, anchor analysis on goals and funnels - not just events and errors.

Core definitions​

• User abandonment rate: the share of users who start a goal-driven journey but do not complete it.
• Conversion funnel: the sequential steps a user takes to achieve a goal (e.g., Signup → Email Verify → Permissions → Profile → Complete).
• User drop-off: the count (or rate) of users who exit the funnel at a given step.
• Onboarding abandonment: abandonment specifically within the onboarding funnel.
• User retention: how many users return or remain active after a defined period (e.g., D7, D30).

Simple formulas you can use​

• Abandonment rate (for a goal): Abandonment rate = (Goal starts − Goal completes) / Goal starts
• Step-level drop-off rate: Drop-off rate(step i) = (Entrants at step i − Entrants at step i+1) / Entrants at step i
• Revenue at risk from friction (illustrative): Lost revenue = Friction-caused drop-offs × Expected conversion without friction × Average order value

Tip: Segment by app version, device model, OS, geography, acquisition source, and cohort age. Silent churn patterns typically concentrate in a few segments.

Onboarding example: finding where effort exceeds value​

Consider a typical onboarding journey:

1. Install → 2. Launch → 3. Create account → 4. Verify email/SMS → 5. Grant permissions → 6. Choose preferences → 7. First-session checklist → 8. Onboarding complete

Common sources of user journey friction:

• Slow OTP delivery or verify endpoint timeouts
• UI thread blocking during animations (ANRs/hangs)
• Disabled “Continue” button due to a recoverable client-side exception
• Retry loops masking a backend 5xx spike
• Confusing branching (e.g., skipping permissions creates a dead end)

Illustrative scenario:

• 50,000 users start onboarding in a week
• 34,000 reach Verify
• 23,800 pass Verify
• 18,000 complete onboarding

Abandonment rate = (50,000 − 18,000) / 50,000 = 64%

If logs show few crashes, the conclusion might be “UX issue.” But a deeper trace reveals:

• 6% of Verify attempts hit a 10s timeout on older devices
• 4% encounter a non-fatal exception that disables the Continue button
• 3% face an ANR after permissions

The aggregate effect is severe - even without many crashes. Silent friction is driving onboarding abandonment and future user retention risk.

Where traditional tools fall short​

Focusing on errors or infrastructure metrics alone leaves a gap between technical symptoms and business harm.

Teams need a way to link issues to goals, quantify the goal-level impact, and prioritize based on revenue and retention - not just frequency.

Introducing Goal Friction Impact (GFI) by Appxiom​

Goal Friction Impact (GFI) is Appxiom’s multi-factor metric that quantifies how technical issues disrupt goal-driven user journeys. Instead of listing bugs in isolation, GFI maps them to the failure of business goals like signup, onboarding, login, and purchase.

• Standard 0–10 scale:
  • 0–<5: manageable friction
  • ≥5: red flag - severe disruption of goal completion
• Inputs to the score:
  • Goal attempts
  • Failed attempts due to technical issues
  • App drop-offs after encountering an issue
  • Affected installations (unique devices)

Why it matters:

• Prioritize by business impact: Fix the issues blocking the most users from key goals.
• Close the loop from code to KPI: See how resolving a specific ANR or logic bug increases completion and reduces the user abandonment rate.
• Align stakeholders: Developers, QA, and Product Managers view the same, goal-centric truth.

Explore the feature overview on the Appxiom Goal Friction Impact page and the step-by-step GFI documentation to see how scores are calculated and interpreted.

Internal resources:

• Appxiom Goal Friction Impact feature overview
• GFI documentation - Android
• GFI documentation - iOS
• Appxiom pricing

How GFI works in practice: Dashboard and workflow​

The GFI Dashboard brings journey-centric monitoring into daily operations.

• Monitor key goals: Select standard journeys (signup, purchase, login) or define custom goals (e.g., “Onboarding Complete”).
• See installation scope + active GFI score: For each app version, understand the depth (score) and breadth (installations affected).
• Drill into version-specific insights:
  • Issue type and severity (e.g., ANR in ChatActivity)
  • First seen / Last seen timeline
  • Impact by device, OS, and country
  • One-click handoff to issue trackers like Jira

Trend analysis across releases:

• Example pattern: GFI improves from 7.0 to 4.0 with fixes; feature launch regresses to 6.1.
• Signal: Balance new feature complexity with stability; ship incremental hardening to keep GFI < 5.0.

From friction to dollars: a prioritization model​

Use GFI to translate technical friction into business terms.

1. Quantify impact:

   • Users blocked = Affected installations × Failed attempts share
   • Goal loss = Users blocked × Expected completion rate without friction
   • Revenue at risk (if transactional) = Goal loss × Average order value

2. Score urgency:

   • If GFI ≥ 5.0 on a revenue-critical goal, treat as a Sev-1 business incident.
   • If GFI is 3–<5, prioritize in the next sprint with targeted instrumentation and fixes.

3. Sequence fixes:

   • Fix the smallest set of issues that reduces the most GFI on top goals.
   • Validate with post-fix GFI deltas and cohort retention shifts.

Best practices: diagnosing and reducing silent churn​

• Instrument by goal, not just by event

  • Emit “goal_attempt,” “goal_success,” and “goal_fail_technical” events.
  • Include goal_step, app_version, device_model, os_version, latency_ms, and exception_type.

• Triage with combined signals

  • High step-level drop-off + spike in ANRs on specific devices = fix UI thread work there first.
  • Moderate endpoint slowness + elevated abandon-after-error = consider UX fallbacks and retries.

• Segment deliberately

  • Break down user drop-off by acquisition source; paid cohorts often have lower tolerance for friction (higher CAC amplifies impact).
  • Separate new vs. returning users; onboarding abandonment affects later user retention disproportionately.

• Close the loop

  • Push high-impact issues directly into Jira from the GFI dashboard with context.
  • Validate fixes by watching the GFI trend and the user abandonment rate for the impacted goal over 7–14 days.

Example: onboarding ROI with GFI​

Assume:

• 100,000 weekly goal attempts (onboarding)
• Baseline completion: 40% → 60,000 drop-offs
• Investigation shows 15% of drop-offs are tied to technical friction (timeouts + ANRs) → 9,000 users
• Expected completion if friction removed: +50% of those affected → 4,500 more completions
• ARPU in first 30 days for onboarded users: $3.50

Illustrative weekly revenue lift:

• 4,500 × $3.50 = $15,750 per week, or ~$63,000 per month

If a 2-sprint fix reduces GFI from 6.2 to 3.1 on onboarding, and you validate the lift via post-fix cohorts, you have a defensible ROI case for stability work - grounded in GFI and funnel outcomes.

Team playbook: who does what​

• Product Managers

  • Define and prioritize critical user goals; set GFI targets by goal.
  • Tie GFI improvements to KPI outcomes: conversion, onboarding abandonment, user retention, revenue.

• Engineering

  • Add goal-aware instrumentation.
  • Fix issues starting with the highest GFI contribution on top goals.
  • Watch per-version GFI trends after releases.

• QA

  • Validate “release health” against prior GFI baselines.
  • Focus exploratory testing on goals with rising GFI.
  • Prevent regressions that increase user journey friction.

What “good” looks like​

• GFI < 5.0 on all revenue-critical goals
• Onboarding abandonment steadily trending down across versions
• Version launches accompanied by neutral or improving GFI
• Clear, validated link from friction fixes to funnel conversion and early retention

Conclusion: Make churn visible - and fixable​

Silent churn thrives in the gaps between errors, latency charts, and funnels. By anchoring on goal-driven journeys, quantifying friction, and prioritizing the issues that block the most users, teams can lower the user abandonment rate, grow conversion, and improve user retention - without shipping a single new feature.

Appxiom’s Goal Friction Impact (GFI) helps you do exactly that: measure friction on a 0–10 scale, tie issues directly to business goals, and make better, faster prioritization decisions grounded in real impact.

• Learn how GFI quantifies friction on the Appxiom Goal Friction Impact feature page.
• See how to set up goals and interpret scores in the GFI documentation.
• Explore Appxiom pricing to get started with GFI.

When a checkout conversion rate drops overnight, debates erupt. Marketing blames campaign quality. Engineering points to green graphs for uptime, p95 latency, and error budgets. The truth is usually hiding in plain sight: something in the user journey mapping is broken, even if your back end looks healthy.

This article shows how to use real user monitoring and outcome-centric analytics to uncover silent micro-failures that decimate conversions - problems like a payment button that clicks but never confirms due to a client-side validation error. We’ll compare traditional RUM approaches (e.g., Sentry and New Relic) that rely on manual tagging with Appxiom’s automated Goal Friction Impact (GFI), and we’ll walk through a step-by-step approach to diagnose conversion drops fast.

When conversions tank but everything looks green​

• Server-side APM shows green because back-end services are “up,” and median latency barely moved.
• Marketing channels haven’t changed much, but you still see conversion drops.
• The likely culprit: a front-end or mobile client defect causing user-visible friction that never throws a server exception - e.g., a disabled “Pay” button never re-enables after a validation error, a mobile ANR during card tokenization, or a state mismatch after the app resumes from background.

Traditional monitoring often misses these. What’s needed is precise user journey mapping - tying technical issues to steps in the checkout user flow so you can answer, with data: why is app conversion dropping?

## Quantifying Revenue at Risk when Checkout Conversions Drop​

Start by sizing the loss. Two numbers give you a board-ready estimate in minutes:

• Conversion Rate (CR) = Orders / Sessions (or Checkout Starts)
• Revenue at Risk = Sessions × (CR_before − CR_after) × Average Order Value (AOV)

Example:

• Sessions this week: 500,000
• CR_before: 2.8%
• CR_after: 2.1%
• AOV: $68

Revenue at Risk = 500,000 × (0.028 − 0.021) × $68 ≈ $238,000 per week

This frames urgency and aligns stakeholders on the cost of delay.

User journey mapping 101 for checkout funnels​

Map the end-to-end user flow, then instrument each step and potential failure path.

Core funnel steps

1. Product Viewed
2. Add to Cart
3. Checkout Start
4. Shipping Submitted
5. Payment Attempted
6. Review/Place Order
7. Order Completed

Friction points to tag

• Validation errors (e.g., CVV invalid, postal code mismatch)
• Button-state transitions (disabled → enabled)
• Third-party SDK states (tokenization start/success/failure)
• App lifecycle transitions (background/resume during payment)
• Network state changes (offline/online at click time)
• App hangs/ANRs and app logic errors that don’t crash

Example: Manual funnel instrumentation in RUM​

Most RUM tools require explicit events and attributes to build funnel analysis. Here’s what that looks like.

New Relic (Browser): collect PageAction events and analyze with NRQL

// Instrument client-side events
newrelic.addPageAction('CheckoutStart', { cart_value: 89.99, items: 3 });
newrelic.addPageAction('ShippingSubmitted', { country: 'US' });
newrelic.addPageAction('PaymentAttempt', { provider: 'Stripe', method: 'card' });
newrelic.addPageAction('OrderCompleted', { order_value: 92.47 });

// Add useful attributes to all events
newrelic.setCustomAttribute('userTier', 'guest');

NRQL funnel query

SELECT funnel(
  session,
  WHERE actionName = 'CheckoutStart' AS 'Start',
  WHERE actionName = 'ShippingSubmitted' AS 'Shipping',
  WHERE actionName = 'PaymentAttempt' AS 'Payment',
  WHERE actionName = 'OrderCompleted' AS 'Success'
)
FROM PageAction
WHERE appName = 'Shop Web'
SINCE 7 days AGO

Sentry (Web): create a transaction and tag spans for user actions

// Create a span for the checkout flow
await Sentry.startSpan(
  {
    name: 'checkout',
    op: 'transaction',
  },
  async () => {
    // Track a critical UI action
    await Sentry.startSpan(
      {
        name: 'Payment button click',
        op: 'ui.action',
        attributes: {
          amount: 89.99,
          provider: 'stripe',
        },
      },
      async () => {
        // Payment logic goes here
      }
    );
  }
);

These approaches work, but they depend on consistent manual tagging of business events and attributes across teams and app versions. In practice, that gap is exactly where hidden conversion-killers slip through.

References:

• New Relic Browser RUM and custom events: https://docs.newrelic.com/docs/browser/browser-monitoring/getting-started/introduction-browser-monitoring/
• NRQL funnels: https://docs.newrelic.com/docs/nrql/using-nrql/funnels-evaluate-data-series-related-events/
• Sentry performance and custom instrumentation: https://docs.sentry.io/platforms/javascript/performance/

Traditional RUM vs outcome‑centric friction scoring​

RUM shows you what happened in the browser or device. To fix revenue, you also need to know how friction impacted a goal like “purchase.”

Appxiom’s GFI quantifies friction on a 0–10 scale using:

• Goal Attempts
• Failed Attempts
• App Drop-Offs
• Affected Installations

Scores above 5 are red flags that indicate significant conversion risk.

Learn more on the Goal Friction Impact product page: https://www.appxiom.com/which-bugs-cause-user-drop-off-in-apps

How to find silent micro‑failures that kill checkout​

Below are high‑leverage checks that often reveal why conversion drops despite “green” back‑end dashboards.

Common micro‑failures and detection signals

• Payment button disabled state never re-enables
  • Signals: High rate of PaymentAttempt events without follow‑up network calls; spike in UI action without success event
• Client-side validation error not surfaced
  • Signals: Increased time on payment screen; elevated field error attributes; repeated focus/blur patterns
• Third-party SDK hang or mobile ANR during tokenization
  • Signals: App Not Responding (ANR) occurrences on the payment activity/view; session abandonment immediately after click
• Background/resume wipes payment state
  • Signals: App lifecycle resume events mid‑checkout followed by re-entry to earlier steps; repeated ShippingSubmitted without PaymentAttempt
• Network change at confirm click
  • Signals: Offline detection at click time; queued client events not transmitted; retries without UX feedback
• Currency/rounding or session mismatch
  • Signals: Recalculated totals mismatch (client vs server); 4xx from create‑payment‑intent; no on-screen error

A pragmatic triage checklist

1. Plot the funnel and isolate the first step where a statistically significant delta appears week-over-week.
2. For that step, split by client version, platform, device family, and geographies to localize the blast radius.
3. Correlate with UX signals: button-state transitions, field-level errors, and lifecycle events.
4. Inspect mobile ANRs/hangs around the payment view or SDK calls.
5. Reproduce with device throttling and flaky network to surface latent race conditions.
6. Prioritize fixes that reduce the largest cluster of failed attempts and drop-offs.

Pro tip

• Pair funnel analysis with user session diagnostics. The combination of “where users drop” and “what the client did at that moment” is the fastest path to root cause.

Reference:

• Android ANR behavior and causes: https://developer.android.com/topic/performance/vitals/anr

Where GFI changes the game​

With Appxiom’s Goal Friction Impact, you start from the business outcome, not raw events.

What you see in the GFI dashboard

• Goal selection: Choose “Purchase” (or any defined goal). Standard journeys like signup, login, and purchase are supported out of the box.
• Installations & GFI score: Top cards show the active friction level by app version. For example, version 10.0-4 might show 26 installs with a GFI score of 6.12 - an immediate red flag.
• Goal performance: Attempts, failed attempts, drop-offs, completions - already tied to the goal.
• Version-specific insights: Drill into issue type and severity (e.g., an ANR in PaymentActivity), first/last seen, affected devices/OS versions/countries.
• Quick actions: Push the issue to Jira directly from the dashboard and share a link with developers for rapid triage.

Why this matters

• Aligns engineering with KPIs. You prioritize what measurably blocks purchases.
• Surfaces silent failures. GFI captures crashes, ANRs, app hangs, and logic bugs - not just fatal exceptions.
• Shortens time-to-fix. Teams jump straight to the code context that’s hurting conversions.

Explore GFI documentation for setup and workflows: /docs/gfi
See how to push friction issues into Jira from Appxiom: /integrations/jira

From “unknown drop” to “fixed” in 48 hours: a practical playbook​

1. Confirm impact
   • Compute Revenue at Risk. Share with stakeholders to align urgency.
2. Select the Purchase goal in the GFI dashboard
   • Note the GFI trend by version. A spike from 4.0 to 6.1 after a new release suggests feature complexity introduced friction.
3. Drill into version‑specific issues
   • Example: A major ANR reported in PaymentActivity on mid‑range Android devices in two countries.
4. Validate hypothesis with session evidence
   • Cross‑check that PaymentAttempt starts but no success event follows; confirm session abandonment after a UI click.
5. Create and assign work
   • Use “Push to Jira” to open a ticket with the stack trace, device/OS breakdown, and last‑seen timestamps.
6. Ship the fix and verify
   • Watch the GFI score and failed attempts trend line in near real time; confirm a return toward baseline.
7. Communicate the outcome
   • Tie GFI improvement to recovered conversion and revenue using the Revenue at Risk formula.

For pricing and plan details (GFI is included in Appxiom’s Professional Plan), visit: /pricing

KPIs to watch post‑fix​

• Checkout Completion Rate
• GFI Score for the Purchase goal
• Failed Attempts and Drop‑Offs per app version
• Affected Installations count
• p95/p99 time on payment screen and tokenization latency
• Error distribution by device/OS and geography

Target

• GFI trending toward 0–3 indicates healthy journeys; any score above 5 signals urgent friction.

Will Appxiom (and GFI) replace my existing RUM or APM?​

Think "complement" for backend APM, but "upgrade" for traditional client RUM.

• Keep your backend APM (e.g., Datadog or New Relic) for server infrastructure, database performance, microservice health, and backend latency.
• Use Appxiom as your mobile/web & frontend APM: Standard RUM tools capture basic client-side timing and errors, but they leave gaps when trying to connect technical bugs to user behavior.
• Adopt Goal Friction Impact (GFI): Built directly into Appxiom, GFI bridges the gap between engineering and business outcomes by quantifying how crashes, ANRs, and client-side bugs directly block user goals and impact revenue - so you always know what to fix first.

Conclusion​

Conversion drops are rarely explained by a single green or red metric. You need user journey mapping that starts from business outcomes and traces back to the exact technical friction preventing users from buying. Traditional real user monitoring tools show you what the app did. Appxiom’s Goal Friction Impact shows you what the app prevented the user from doing - and how severely that hurt your revenue.

If your team is asking “why is app conversion dropping,” start by quantifying revenue at risk, visualizing the funnel, and letting GFI pinpoint the silent failures that sabotage checkout. Then fix what matters first.

• Learn about Goal Friction Impact (GFI): https://www.appxiom.com/which-bugs-cause-user-drop-off-in-apps
• Read setup and workflows: https://www.appxiom.com/docs/
• See plans and pricing: https://www.appxiom.com/pricing

References

• New Relic Browser RUM: https://docs.newrelic.com/docs/browser/browser-monitoring/getting-started/introduction-browser-monitoring/
• NRQL funnel function: https://docs.newrelic.com/docs/query-your-data/nrql-new-relic-query-language/nrql-query-functions/funnel-function/
• Sentry performance instrumentation: https://docs.sentry.io/platforms/javascript/performance/
• Android ANR overview: https://developer.android.com/topic/performance/vitals/anr