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STAGE 2: CERTIFIED RE-AUDIT RECORD (v2.4.1)
VERIFIED ACTIVE
Ledger Ref: AS-4073C9E6-v2 • Cert ID: APS-CERT-4073C9E6-V2
Audit Version History & Verification Stages
Application Name
SportScaler Football Tracker
Sports & Live Scores
Client / Submitter
AppShiner Labs
labs@appshiner.com
Audit Tier
Comprehensive Pro Audit ($249 - Flagship)
6 Modules Audited
App Shine Score™
86 / 100
Grade A
Base: 71 → +15
Above Category Median (Upper Quartile / Q4 2025 SensorTower & Google Play Vitals Index, N=140)
Score Formula & Weight Breakdown
Module Weighted Composite Model:
W_Perf (0.25)×92 + W_UX (0.25)×88 + W_Func (0.20)×75 + W_Acq (0.10)×86 + W_Ret (0.10)×84 + W_ASO (0.10)×90 = 86.0 / 100 (A)
Verified Re-Audit: 6 modules re-indexed (+15 pts lift). Persisting FLOW-4012 caps score at 86.
Formula: Score = ∑ (Module_Score_i × W_i) − Unresolved_Critical_Penalties
Certification Timestamp
2026-09-28 14:30 UTC
Timestamp Sealed
Lead Auditor Sign-Off
K. Arda, Head of Mobile UX & CRO
AppShiner Audit Operations Desk
Verified Test Environment & Telemetry Summary
Audited Build: v2.4.1 (Build 118) • Production Release
Store Bundle ID: com.sportscaler.football (iOS & Android)
Diagnostic Suite: Apple iPhone 15 Pro (A17 Pro), Google Pixel 8 (Tensor G3)
Diagnostic Stack: AppShiner Multimodal Vision AI, Chrome DevTools Core Vitals, Axe-Core WCAG 2.1 AA, Charles Proxy 4.6
Production A/B Cohort Analysis: Directional uplift detected: +24.2% relative CVR lift (one-sided p = 0.037 [directional positive trend], two-sided p = 0.075; approaches conventional two-sided α = 0.05 threshold; χ² = 3.18, N = 12,450 eligible sessions: Control v2.3.0 N=6,225 vs Optimized Variant v2.4.1 N=6,225). Primary Funnel Event: paywall_impression -> annual_subscription_confirmed. Control Annual CVR: 1.94% (121/6,225) vs Variant Annual CVR: 2.41% (150/6,225). Push Opt-In Cohort: 26.8% Control (1,668/6,225) vs 37.0% Variant (2,303/6,225) (+38.1% relative, χ² = 148.6, p < 0.0001). Category Benchmarks derived from SensorTower & Google Play Vitals Q4 2025 Sports App Benchmark Index (N=140 category apps; category median cold start: 2.2s, top quartile: 1.3s).
Verified Re-Audit Engineering Cases (Before vs After Delta)
3 RESOLVED
1 PERSISTING
ENG-2104
Cold Start Latency & Eager-Loaded Media Payload
Re-Audit Verified
Initial Boot Requests
247 → 38
-84.6%
Total Initial Payload
3.4 MB → 420 KB
-87.6%
Cold Start TTI Latency
2.6s → 1.2s
-53.8%
Peak Boot Memory Allocation
210 MB → 142 MB
-32.4%
VERIFIED RESOLVED: WebP conversion on CDN and LazyVStack slashed cold boot requests to 38 (-84.6%) and latency to 1.2s (-53.8%).
GROWTH-1082
Paywall Cognitive Friction & Annual Price Anchoring
Re-Audit Verified
Immediate Paywall Bounce
82.4% → 64.3%
-22.0%
Annual Subscription CVR
1.94% → 2.41%
+24.2% (Directional)
Dismiss Button WCAG Contrast
1.8:1 (Fail) → 4.6:1 (Pass)
Exceeds AA
Trial Initiation Volume (Cohort)
121 / 6,225 → 150 / 6,225
+24.0% Volume
VERIFIED RESOLVED: Directional uplift confirmed: +24.2% relative annual CVR lift (1.94% to 2.41%; one-sided p = 0.037 [directional positive trend], two-sided p = 0.075; χ² = 3.18; approaches conventional α = 0.05 threshold).
RET-3041
Premature Onboarding Push Notification Trigger
Re-Audit Verified
Push Permission Opt-In
26.8% → 37.0%
+38.1% Lift
Day-7 Active Retention
14.1% → 21.8%
+54.6% Lift
Opted-In Cohort Volume (14D)
1,668 / 6,225 → 2,303 / 6,225
+38.1% Volume
VERIFIED RESOLVED: Post-activation prompt raised opt-in from 26.8% to 37.0% (χ² = 148.6, p < 0.0001); D-7 retention climbed to 21.8%.
FLOW-4012
Missing Real-Time Inline Form Validation
Partial / Persisting Defect
SSO Social Registration Adoption
0% (Missing) → 42.0% (Resolved)
SSO Live
Manual Form Inline Indicators
Missing (Toast) → STILL MISSING
PERSISTING
Registration Flow Abandonment
31.4% → 24.2%
-22.9% (Partial)
PARTIALLY RESOLVED / PERSISTING DEFECT: Apple & Google SSO successfully integrated (capturing 42% of signups), but inline password rule indicators remain MISSING on manual registration. Module 4 capped at 75, overall score capped at 86.
Cryptographic Telemetry Evidence Manifest
4 ARTIFACTS SEALED
All reported conversion (CVR), performance, and retention telemetry metrics are cryptographically bound to verifiable system traces from external telemetry sources (RevenueCat, Firebase, Stripe) and AppShiner physical device test instrumentation (Xcode Instruments, Android Studio Profiler), sealed via SHA-256 checksums.
EV-4073C9E6-01
ENG-2104
Xcode Instruments & Network Profiler Telemetry
CRYPTOGRAPHICALLY SEALED
Source System:
Xcode Instruments v15.4 & Firebase Performance Monitoring
Cohort & Sample:
Control v2.3.0 (N=6,225) vs Variant v2.4.1 (N=6,225)
Capture Timestamp:
2026-09-28 11:24:18 UTC
Observation Window:
14-Day Production Telemetry (01-28 Sep 2026)
Verified Telemetry Trace:
Cold Start: 2.6s → 1.2s (-53.8%) | Boot Requests: 247 → 38 (-84.6%) | Payload: 3.4 MB → 420 KB (-87.6%)
SHA-256:
29be3c802464aa03b7e733d27a2c07ff7215565a8245064ba5a43d5e81dab4ed
SEALED
EV-4073C9E6-02
GROWTH-1082
RevenueCat Experiments & Stripe Cohort Analytics
CRYPTOGRAPHICALLY SEALED
Source System:
RevenueCat Experiments API & Stripe Sigma Cohort DB
Cohort & Sample:
N = 12,450 eligible user sessions (Control: 6,225 vs Variant: 6,225)
Capture Timestamp:
2026-09-28 12:10:45 UTC
Observation Window:
14-Day Production A/B Cohort Monitoring (14-28 Sep 2026)
Verified Telemetry Trace:
Control CVR: 1.94% (121/6,225) vs Variant CVR: 2.41% (150/6,225) | Directional Lift: +24.2% | one-sided p = 0.037 (two-sided p = 0.075; χ² = 3.18)
SHA-256:
db10e4275d57f2ad946c2bf3f0225fc592a439797f980fbdcf146527198e902d
SEALED
EV-4073C9E6-03
RET-3041
Firebase Cloud Messaging & Mixpanel Retention Matrix
CRYPTOGRAPHICALLY SEALED
Source System:
Firebase Cloud Messaging Telemetry & Mixpanel Cohorts
Cohort & Sample:
Control v2.3.0 (N=6,225) vs Variant v2.4.1 (N=6,225)
Capture Timestamp:
2026-09-28 12:45:10 UTC
Observation Window:
14-Day Lifecycle Monitoring (14-28 Sep 2026)
Verified Telemetry Trace:
Push Opt-In: 26.8% (1,668/6,225) → 37.0% (2,303/6,225) (+38.1% lift; χ² = 148.6, p < 0.0001) | Day-7 Retention: 14.1% → 21.8%
SHA-256:
1baa789067a291114002b75d228baeebd6dc70381142b6f0177b4e508169731f
SEALED
EV-4073C9E6-04
FLOW-4012
Physical Device Session Trace & Axe-Core Form Inspector
PARTIAL DEFECT SEALED
Source System:
AppShiner Physical Device Testing Lab (iOS 17.5 / Android 14) & Axe-Core v4.9
Cohort & Sample:
N = 1,420 manual signup attempts instrumented
Capture Timestamp:
2026-09-28 13:30:22 UTC
Observation Window:
v2.4.1 (Build 118) Release Candidate Verification
Verified Telemetry Trace:
SSO Adoption: 42.0% (Resolved) | Manual Password Inline Validation: STILL MISSING (Toast warning on submit persists) | Signup Drop-Off: 31.4% → 24.2%
SHA-256:
29999b11351872d3ca543bcb0bb8fd94b0a7bee4529b01090cfb3d78661269ce
SEALED
30-Day Complimentary Re-Audit Assurance is Active
The client institution is entitled to one complimentary re-audit within 30 days to measure verified post-optimization improvements. Contact: audit@appshiner.com
B2B Institutional Confidentiality & Data Privacy Guarantee:
All telemetry and audit records displayed on this ledger strictly adhere to B2B confidentiality, GDPR, and enterprise data privacy standards. Proprietary source code and confidential institutional financials remain completely protected under commercial licensing.