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+# MotorSignal Free / Pro / Lifetime Specification
+
+**Status:** Planning baseline  
+**Date:** 2026-09-01
+
+## Purpose
+
+Define the initial product entitlement model for MotorSignal before feature gating and Google Play configuration are finalized.
+
+This document is a product specification, not a substitute for the billing implementation or Google Play product configuration.
+
+---
+
+# Product Model
+
+MotorSignal is one application with one account/data model and multiple entitlement levels:
+
+- `FREE`
+- `PRO_MONTHLY`
+- `PRO_LIFETIME`
+
+A user's Firebase account and identity exist independently of whether the user is subscribed.
+
+Google Play purchase state is the authoritative source for Play entitlement. Local cached state may be used for resilience but must reconcile with authoritative purchase information.
+
+---
+
+# Free
+
+Free should remain a useful motorcycle telemetry product rather than a crippled trial.
+
+## Core
+
+- Motorcycle Garage.
+- Basic motorcycle identity.
+- Basic ride recording.
+- Basic ride history.
+- Basic telemetry.
+- Basic route view.
+- Basic ride statistics.
+- User account.
+- User profile.
+- Friends/social identity.
+
+## Cloud
+
+Initial planning assumption:
+
+- Limited cloud backup.
+- Limited cloud history/storage if required by final economics.
+- Account-based restore of the included cloud allowance.
+
+The exact free cloud allowance should be determined after storage/cost modeling.
+
+---
+
+# Pro Monthly
+
+Pro Monthly unlocks the complete premium MotorSignal experience while the subscription remains active.
+
+## Cloud
+
+- Unlimited ride backup.
+- Automatic synchronization.
+- Motorcycle synchronization.
+- Multi-device restore.
+- Cloud routes.
+- Cloud statistics.
+- Cloud reports.
+
+## Analysis
+
+- Advanced telemetry analysis.
+- Advanced acceleration analysis.
+- Advanced braking analysis.
+- Advanced lean analysis.
+- Advanced graphs.
+- Advanced ride comparisons.
+- Advanced statistics.
+
+## Data / Export
+
+- Unlimited ride history.
+- CSV export.
+- PDF export.
+- Advanced ride reports.
+
+## Motorcycle Management
+
+- Multiple motorcycles.
+- Expanded motorcycle history.
+- Motorcycle-specific statistics.
+
+## Planning / Social Riding
+
+- Planned rides.
+- Multi-day trip planning.
+- Group rides.
+- Advanced group-ride functionality.
+
+## Future Premium Features
+
+The entitlement system should support adding future premium features without redesigning the subscription architecture.
+
+Potential examples include camera integration, advanced media synchronization, AI-assisted ride analysis, and additional trip intelligence.
+
+---
+
+# Pro Lifetime
+
+Pro Lifetime provides the same Pro feature set as Pro Monthly without recurring subscription renewal.
+
+It should be implemented as a Google Play non-consumable one-time purchase.
+
+Lifetime access should survive:
+
+- App restart.
+- Logout/login.
+- Reinstall.
+- Device replacement.
+- Restoration on another supported device using the purchasing Google Play account, subject to platform rules.
+
+---
+
+# Feature Capability API
+
+Do not scatter subscription checks throughout the UI.
+
+The entitlement layer should expose feature capabilities such as:
+
+```text
+canCloudBackup
+canAdvancedTelemetry
+canAdvancedAcceleration
+canAdvancedBraking
+canAdvancedLean
+canAdvancedAnalytics
+canUnlimitedHistory
+canExportCsv
+canExportPdf
+canUseMultipleMotorcycles
+canPlanTrips
+canCreateGroupRides
+canUseAdvancedGroupRideFeatures
+```
+
+UI code should ask whether a capability is available rather than directly inspecting product IDs.
+
+---
+
+# Entitlement State
+
+The entitlement manager should be able to represent at least:
+
+```text
+FREE
+PRO_MONTHLY_ACTIVE
+PRO_MONTHLY_GRACE
+PRO_MONTHLY_ACCOUNT_HOLD
+PRO_MONTHLY_EXPIRED
+PRO_LIFETIME
+UNKNOWN / SYNC_PENDING
+```
+
+The exact implementation may differ, but the app must distinguish active access from temporary billing/synchronization states.
+
+---
+
+# Subscription Lifecycle
+
+Must support:
+
+1. Initial purchase.
+2. Purchase acknowledgement.
+3. Active subscription.
+4. Renewal.
+5. Cancellation.
+6. Grace period.
+7. Account hold.
+8. Expiration.
+9. Reinstall.
+10. Device change.
+11. Restore purchases.
+12. Temporary network loss.
+13. Billing service unavailable.
+14. Already-owned product.
+15. User cancels the purchase flow.
+
+---
+
+# Paywall Requirements
+
+The paywall should explain value rather than simply show a locked feature.
+
+Recommended positioning:
+
+> **MotorSignal Pro**  
+> Your rides. Your motorcycle. Your data — everywhere.
+
+Highlight:
+
+- Cloud backup.
+- Advanced analysis.
+- Unlimited ride history.
+- Advanced route tools.
+- Multiple motorcycles.
+- Trip planning.
+- Group rides.
+- Advanced statistics.
+
+Offer:
+
+- Monthly.
+- Lifetime.
+- Restore Purchases.
+
+Prices must come from the store's current product details and must not be hard-coded.
+
+---
+
+# Upgrade UX
+
+When a Free user taps a premium feature:
+
+1. Explain what the feature does.
+2. Clearly identify it as Pro.
+3. Show the relevant Pro benefit.
+4. Offer upgrade.
+5. Allow dismissal without disrupting the rest of the app.
+
+Do not silently fail or present an unexplained error.
+
+---
+
+# Settings Subscription Area
+
+The Settings screen should eventually contain:
+
+```text
+MotorSignal Pro
+
+Plan: Pro Monthly
+Status: Active
+Next renewal: [store-provided date]
+
+[Manage Subscription]
+[Restore Purchases]
+```
+
+For Lifetime:
+
+```text
+MotorSignal Pro
+
+Plan: Pro Lifetime
+Status: Active
+
+Lifetime access
+```
+
+---
+
+# Restore Purchases
+
+Restore must be a first-class action.
+
+Test:
+
+- Reinstall.
+- Sign out/sign back in.
+- New device.
+- Monthly subscription.
+- Lifetime purchase.
+- Temporary network failure.
+- Play Billing service unavailable.
+
+A user should never need to purchase the same Lifetime entitlement again simply because the application was reinstalled.
+
+---
+
+# Data Ownership
+
+Subscription status and user data are separate concepts.
+
+A user who cancels Pro should not automatically lose their MotorSignal account.
+
+The product must define what happens to data that exceeds the Free allowance after a Pro subscription ends. The preferred approach is to preserve user data while restricting creation/sync of additional premium-only data until the user upgrades again, subject to final storage policy and legal requirements.
+
+Never silently delete user ride history solely because a subscription expired.
+
+---
+
+# Finalization Checklist
+
+Before publishing:
+
+- [ ] Audit every current feature.
+- [ ] Assign every feature to Free or Pro.
+- [ ] Verify each claimed Pro feature actually works.
+- [ ] Implement centralized entitlement checks.
+- [ ] Configure Google Play Monthly product.
+- [ ] Configure Google Play Lifetime product.
+- [ ] Verify current product details are fetched dynamically.
+- [ ] Implement purchase flow.
+- [ ] Implement restore.
+- [ ] Implement subscription management link.
+- [ ] Test billing lifecycle.
+- [ ] Test reinstall/device restoration.
+- [ ] Test offline behavior.
+- [ ] Test Firebase/cloud behavior.
+- [ ] Verify privacy and Data Safety declarations.
+- [ ] Verify Terms and Privacy Policy links.
+
+---
+
+# Planning Matrix
+
+| Feature | Free | Pro Monthly | Pro Lifetime |
+|---|:---:|:---:|:---:|
+| Garage | ✓ | ✓ | ✓ |
+| Basic ride recording | ✓ | ✓ | ✓ |
+| Basic history | ✓ | ✓ | ✓ |
+| Basic telemetry | ✓ | ✓ | ✓ |
+| Basic route view | ✓ | ✓ | ✓ |
+| Account/profile | ✓ | ✓ | ✓ |
+| Friends | ✓ | ✓ | ✓ |
+| Limited cloud | ✓ | — | — |
+| Unlimited cloud | — | ✓ | ✓ |
+| Advanced telemetry | — | ✓ | ✓ |
+| Advanced acceleration | — | ✓ | ✓ |
+| Advanced braking | — | ✓ | ✓ |
+| Advanced lean analysis | — | ✓ | ✓ |
+| Unlimited history | — | ✓ | ✓ |
+| CSV export | — | ✓ | ✓ |
+| PDF export | — | ✓ | ✓ |
+| Multiple motorcycles | Limited | ✓ | ✓ |
+| Trip planning | — | ✓ | ✓ |
+| Group rides | — | ✓ | ✓ |
+| Advanced statistics | — | ✓ | ✓ |
+| Future Pro features | — | ✓ | ✓ |
+
+**Important:** This matrix must be reviewed against the actual implementation before launch. It should not be treated as permission to advertise unfinished functionality.