Subscription App UI Architect

Product name: NovaMind AI Product type: Cross-platform AI productivity assistant Platforms: Responsive web application iOS application Android application Primary users: Freelancers Small-business owners Content creators Consultants Knowledge workers Small teams Primary user job: Use AI to research, write, summarize, organize information, and automate repetitive knowledge work. Primary business goal: Increase qualified trial starts, improve trial-to-paid conversion, reduce payment-related support requests, and make cancellation more transparent. Subscription model: Freemium with three paid plans Plans: Free Professional Team Enterprise Billing cadence: Monthly and annual for Professional and Team Enterprise uses custom contracts Free plan: Limited AI requests Limited file uploads Basic models Single user No advanced automation Professional plan: Higher AI usage Advanced models Larger file limits Automation Priority processing Single user Team plan: Professional features Multiple seats Shared workspace Admin controls Centralized billing Team usage reporting Enterprise plan: Custom usage Single sign-on Advanced administration Security review Custom support Contract billing Exact limits: Require verification Trial: Professional trial may be available Exact eligibility, duration, payment-method requirement, and post-trial billing require verification Primary conversion: Paid Professional subscription Secondary conversions: Annual billing Team-plan upgrade Additional seats Reactivation Pricing-page problems: Annual billing displays only a monthly equivalent. The total annual charge is visually weak. The recommended plan badge is overused. Feature differences are difficult to scan. Mobile users must horizontally scroll through the comparison table. Enterprise appears as a normal self-service checkout plan. Currency is not always visible. The current plan is not identified for signed-in users. Paywall problems: The paywall appears before users see an AI result. The close control is visually weak. The same paywall appears repeatedly. The headline emphasizes limitations rather than value. Users are not returned to the gated feature after upgrading. Usage-limit problems: Users receive no warning before reaching the AI limit. Usage resets are unclear. The app shows “Limit reached” without explaining the next reset. Team administrators cannot see member usage. Checkout problems: Trial terms are incomplete. Amount due now and future charge are not separated. Annual billing is not clearly explained. Payment errors are generic. Repeated taps can create duplicate requests. Uncertain payment results appear as failures. Billing-dashboard problems: Users cannot immediately find the renewal date. The billing source is not shown. App-store subscribers see web cancellation instructions. Invoices are difficult to find. Seat usage is separated from billing. Upcoming charges are missing. Payment-failure status appears only as a small banner. Cancellation problems: Cancellation is hidden under Contact Support. The flow uses three retention screens. The final cancellation action is visually secondary. Feature loss and remaining access are unclear. Users cannot downgrade before cancelling. Cancellation reasons are mandatory. Retention options: Downgrade to Free Switch from Team to Professional where eligible Reduce seats Pause may be considered but is not confirmed Contact support Continue cancellation App-store billing: iOS subscriptions may be Apple managed. Android subscriptions may be Google Play managed. Web subscriptions are managed by the web payment provider. Entitlement synchronization requires verification. Markets: United States Canada United Kingdom European Union Australia Brazil Japan Currencies: USD CAD GBP EUR AUD BRL JPY Accessibility target: WCAG 2.2 AA-oriented implementation review iOS and Android accessibility review Keyboard navigation Screen-reader support 200% zoom Large text Reduced motion No color-only plan states Localization: English German French Spanish Portuguese Japanese Right-to-left support planned later Technology stack: Next.js React TypeScript Tailwind CSS shadcn/ui React Native Existing design system Web payment provider Apple subscription integration Google Play billing integration Need output: Complete subscription UI architecture Subscription-state model Pricing-page redesign Plan-comparison system Monthly and annual billing presentation Trial flow Paywall system Feature-gate rules Usage-limit states Upgrade flow Downgrade flow Seat-management flow Subscription checkout Payment-state architecture Billing dashboard Invoice experience Failed-payment recovery Grace-period state Cancellation flow Ethical retention offers Expiration Reactivation Restore-purchase flow Cross-platform entitlement architecture Accessibility Localization Analytics event map Experiment roadmap Developer handoff Acceptance criteria Regression tests QA checklist Risk assessment Need variations: Conversion-Focused Subscription Experience Trust-First Subscription Experience Mobile-First AI Subscription Experience Special constraints: Do not invent prices. Do not invent usage limits. Do not invent trial duration. Do not invent proration. Do not invent refunds. Do not invent payment-retry timing. Do not present uncertain payments as failed. Do not hide annual charges. Do not hide cancellation. Do not use false urgency. Do not force users through retention offers. Do not encourage duplicate subscriptions. Do not weaken accessibility for conversion.

=== SUBSCRIPTION APP UI ARCHITECTURE === Product: NovaMind AI Platforms: Responsive web, iOS, and Android Subscription Model: Freemium with Professional, Team, and Enterprise paid options Primary Conversion: Qualified Professional subscription === EXECUTIVE SUMMARY === NovaMind AI has a commercially viable subscription structure, but the current interface creates preventable uncertainty at several high-value moments. The most important problems are: 1. Annual billing obscures the full amount charged. 2. The pricing comparison is difficult to scan. 3. Mobile plan comparison requires horizontal scrolling. 4. The paywall appears before sufficient value. 5. Usage limits are communicated too late. 6. Trial terms are incomplete. 7. Uncertain payments are presented as failures. 8. Billing source is not visible. 9. App-store subscribers receive incorrect management guidance. 10. Seat usage and workspace billing are separated. 11. Payment-failure status lacks prominence. 12. Cancellation is hidden and burdened with repeated retention screens. 13. Cross-platform entitlement conflicts are not explained. Recommended subscription journey: Product Value → Contextual Feature Gate → Plan Recommendation → Transparent Plan Review → Trial or Subscription Checkout → Payment Processing → Entitlement Confirmation → Return to Intended Feature → Billing Dashboard → Renewal, Upgrade, Downgrade, Cancellation, or Reactivation === SUBSCRIPTION STATE MODEL === Free: Access: Verified free features and limits Primary Action: Compare Plans Trial Eligible: Access: Free-plan access Primary Action: Start Verified Trial Trial Active: Display: - Trial plan - Trial status - Verified end date - Included features - Usage - Future billing terms - Cancellation access Trial Expiring: Display: - Verified expiration or billing event - Current access - Future access - Payment method - Cancellation access Active: Display: - Current plan - Billing source - Cadence - Renewal or end date - Payment method - Usage - Seats - Invoices - Plan management Payment Failed: Display: - Affected subscription - Current access - Verified recovery action - Payment method - Support Cancelled With Access Remaining: Display: - Cancellation confirmed - Access end date - Available features - Reactivation option Expired: Display: - Current available access - Data state where verified - Reactivation - Export where supported === PRICING-PAGE ARCHITECTURE === Hero: Headline: Choose the AI Workspace That Fits Your Work Supporting Copy: Compare verified features, usage, collaboration, and billing options. Billing Control: Monthly Annual Annual Presentation: Show: - Full annual amount charged - Currency - Billing cadence - Verified monthly equivalent - Verified savings where approved Do Not: Use the monthly equivalent as the only prominent price. Plan Cards: Free: For individuals exploring NovaMind AI Professional: For individuals using AI throughout their workday Team: For teams sharing AI workflows and administration Enterprise: For organizations requiring custom security, access, and support Enterprise Action: Contact Sales Do not route Enterprise through standard self-service checkout unless supported. Signed-In State: Identify the current plan and disable misleading purchase actions. === PLAN COMPARISON === Primary Decision Categories: Core AI Access Advanced Models Usage File Uploads Automation Collaboration Administration Security Support Billing Status Labels: Included Limited Unavailable Available as Add-On Enterprise Only Requires Verification Mobile Pattern: Use stacked plan summaries with expandable feature groups. Do not require page-level horizontal scrolling. Accessibility: Do not rely only on checkmarks or color. Include visible text labels for every feature state. === TRIAL FLOW === Entry: Pricing page Contextual paywall Upgrade screen Required Trial Summary: Plan: Professional Trial Duration: Verified value Payment Method: Required or Not Required according to verified rules Amount Due Now: Verified value Future Charge: Verified price and cadence Billing Start: Verified date or rule Cancellation: Explain access and management path Flow: Trial Summary → Account Verification → Payment Method Where Required → Final Review → Start Trial → Entitlement Confirmation → Return to Intended Feature Do not start the trial until the verified billing and entitlement systems confirm success. === PAYWALL SYSTEM === Trigger: A user selects a premium feature after receiving meaningful product value. Headline: Unlock Advanced AI Workflows Supporting Copy: Use advanced models, higher limits, larger files, and automation with the verified Professional plan. Display: - Gated feature - Current plan - Recommended plan - Key value - Verified price and cadence - Trial availability - Close action - Compare Plans - Upgrade Frequency: Do not repeatedly display the same full-screen paywall within an excessive interval. State Preservation: Preserve the user's intended feature and return after successful entitlement confirmation. Do Not: - hide the close control - use false countdowns - imply unavailable discounts - describe the user as losing work - repeat the paywall after dismissal without context === FEATURE-GATE SPECIFICATION === Feature: Advanced Automation Current Plan: Free Required Plan: Professional Trigger: User selects Create Automation Primary Action: View Professional Plan Secondary Action: Continue With Free Features After Upgrade: Return to Create Automation Analytics: feature_gate_viewed feature_gate_upgrade_started feature_gate_return_completed === USAGE-LIMIT ARCHITECTURE === Usage Stages: Normal: Show current usage in account context. Approaching Limit: Notify before the final allowance is consumed. Limit Reached: Explain the current limit, reset rule, and available actions. Reset Pending: Show the verified reset date or rule. Team Overage: Show organization-level usage only to authorized roles. Usage Message: You have used [verified amount] of your [verified limit] for this billing period. Required: - current usage - limit - remaining usage - reset date or rule - upgrade option - support where appropriate Do not display estimated usage as final billing. === UPGRADE FLOW === Current Plan: Free Target Plan: Professional Review: - features gained - usage change - billing cadence - price - currency - amount due now - future charge - trial context - payment method - cancellation access Flow: Upgrade Entry → Plan Review → Payment → Processing → Entitlement Confirmation → Return to Intended Feature Uncertain Payment: Do not grant or deny access until entitlement status is confirmed. === DOWNGRADE FLOW === Current Plan: Team Target Plan: Professional Review: - collaboration loss - seat impact - workspace impact - usage impact - automation impact - effective date - billing impact - data behavior Conflict: If multiple active members remain, explain the verified seat-resolution process. Do not silently remove members or data. === SEAT MANAGEMENT === Display: - purchased seats - assigned seats - available seats - pending invitations - current price - cadence - billing owner Add Seats: Show quantity, price impact, effective date, and verified billing calculation. Remove Seats: Explain whether removal is immediate or scheduled and how assigned members are handled. Do not invent proration. === SUBSCRIPTION CHECKOUT === Required Summary: Plan: Professional Billing: Monthly or Annual Price: Verified amount Currency: Verified currency Amount Due Now: Verified amount Future Charge: Verified amount and cadence Trial: Verified terms Payment Method: Selected method Cancellation: Visible access Final Action: Accurately describe the commitment. Payment States: - Validating - Ready - Submitting - Authentication Required - Processing - Completed - Declined - Failed - Cancelled - Uncertain - Duplicate Prevented === UNCERTAIN PAYMENT === Heading: Confirming Your Subscription Message: The final payment status has not been confirmed. Do not submit another payment while NovaMind checks the transaction. Required System Behavior: - preserve transaction reference - prevent duplicate submission - check payment status - check entitlement status - preserve checkout context - display final result when confirmed - provide support after the verified threshold Do not show Payment Failed without confirmed failure. === BILLING DASHBOARD === Primary Summary: - current plan - status - billing source - price - currency - cadence - renewal or end date - payment method - upcoming charge - usage - seats - cancellation state Sections: 1. Subscription 2. Usage 3. Seats 4. Payment Method 5. Invoices 6. Plan Management 7. Support Billing Source: Web: Manage subscription in NovaMind. Apple: Manage through Apple subscription settings. Google Play: Manage through Google Play. Enterprise: Contact the verified billing administrator. Do not show an incorrect management action. === FAILED-PAYMENT RECOVERY === Banner Priority: High Heading: Payment Method Needs Attention Display: - affected plan - current access state - verified payment status - update-payment action - retry action where safe - support Do not: - hide the issue in a secondary billing section - invent the next retry date - imply immediate cancellation - remove unrelated account access without verified rules === CANCELLATION FLOW === Entry: Billing Dashboard → Manage Plan → Cancel Subscription Step 1: Show current plan, billing source, and verified cancellation consequences. Step 2: Offer relevant optional alternatives: - Downgrade to Free - Reduce Seats - Switch Plan - Contact Support - Continue Cancellation Pause: Show only if verified and supported. Step 3: Optional cancellation reason Step 4: Final confirmation with a visually clear cancellation action Step 5: Cancellation result Display: - cancellation confirmed - access end date - remaining access - billing status - reactivation option Rules: - no mandatory survey - no repeated retention screens - no hidden final action - no emotional pressure - no false urgency === ETHICAL RETENTION OFFERS === Reason: Too Expensive Relevant Options: - Downgrade - Reduce Seats - Switch cadence where appropriate - Continue cancellation Reason: Not Using Enough Relevant Options: - Downgrade - Usage education - Continue cancellation Reason: Technical Problem Relevant Options: - Support - Troubleshooting - Continue cancellation Every offer must preserve the cancellation path. === EXPIRATION AND REACTIVATION === Expired State: Display: - previous plan - current available access - verified data state - usage state - reactivation eligibility - current pricing Reactivation Flow: Expired → Review Current Plan → Review Current Commercial Terms → Payment → Processing → Entitlement Confirmation → Restored Access Do not imply that old pricing or previous features remain available. === RESTORE PURCHASE === Platforms: iOS and Android where supported Flow: Restore Purchases → Billing Account Check → Processing → Entitlement Verification → Success or No Eligible Purchase States: - restored - no purchase found - wrong platform account - expired - entitlement pending - provider unavailable - support required Do not encourage another purchase before checking for an existing entitlement. === CROSS-PLATFORM ENTITLEMENT === Required Identifiers: - NovaMind account - billing source - provider subscription - entitlement state Conflict Examples: - web subscription active but mobile access missing - Apple subscription active under another app-store account - Google Play purchase restored to a different product account - two active subscriptions - cancelled billing but entitlement still pending Required Actions: - check account identity - check billing provider - check entitlement - restore where supported - prevent duplicate purchase - escalate unresolved conflicts === ACCESSIBILITY REQUIREMENTS === - Semantic pricing sections - Accessible plan names - Accessible feature-state labels - Keyboard-operable cadence selector - Visible focus - Persistent form labels - Error associations - Non-color subscription states - Accessible comparison tables - Mobile reflow - Large text - 200% zoom - Touch-target compliance - Accessible dialogs and bottom sheets - Screen-reader payment status - Reduced motion - No claim of conformance without testing === LOCALIZATION REQUIREMENTS === - Show currency consistently. - Support local price formats. - Localize billing terminology. - Localize trial and renewal language. - Recompose long plan names. - Support text expansion. - Support Japanese layout requirements. - Test right-to-left readiness. - Verify regional payment methods. - Verify regional disclosures. - Avoid concatenated billing sentences. === ANALYTICS EVENT MAP === pricing_viewed Properties: - platform - market - currency - current_plan billing_cadence_changed Properties: - selected_cadence - previous_cadence trial_started Properties: - entry_source - billing_source - payment_required paywall_viewed Properties: - gated_feature - current_plan - entry_source usage_warning_viewed Properties: - usage_stage - plan - user_role upgrade_completed Properties: - previous_plan - target_plan - cadence - billing_source cancellation_started Properties: - current_plan - billing_source - account_type retention_offer_accepted Properties: - offer_category - cancellation_reason_category reactivation_completed Properties: - previous_plan - new_plan - billing_source Privacy: Do not collect payment credentials, full billing addresses, private invoices, authentication secrets, or sensitive cancellation text. === EXPERIMENT ROADMAP === Experiment 1: Transparent Annual Pricing Hypothesis: Displaying both the full annual charge and monthly equivalent will improve qualified annual-plan selection. Primary Metric: Annual plan purchase Guardrails: Checkout abandonment Billing-related support contact Early cancellation Experiment 2: Post-Value Paywall Hypothesis: Showing the paywall after a successful AI result will improve qualified upgrade engagement. Primary Metric: Upgrade start Guardrail: Core-task completion Experiment 3: Early Usage Warning Hypothesis: Showing usage before the final limit will reduce unexpected task interruption. Primary Metric: Successful plan decision before limit Guardrail: Paywall dismissal Experiment 4: Single Ethical Retention Screen Hypothesis: One relevant retention step will preserve qualified saves without obstructing cancellation. Primary Metric: Relevant alternative selected Guardrails: Cancellation completion Support contact Repeated cancellation attempts === DEVELOPER HANDOFF === Required Modules: - PricingPage - BillingCadenceSelector - PlanCard - PlanComparison - TrialSummary - Paywall - FeatureGate - UsageMeter - UsageWarning - UpgradeFlow - DowngradeFlow - SeatManager - SubscriptionCheckout - PaymentStatus - BillingDashboard - InvoiceList - PaymentRecovery - CancellationFlow - RetentionOffer - ExpirationState - ReactivationFlow - RestorePurchase - EntitlementStatus Required State Domains: - account - plans - pricing - trial - subscription - billing - payment - entitlement - usage - seats - invoices - cancellation - reactivation - app-store - analytics === ACCEPTANCE CRITERIA === Annual Pricing: Given annual billing is selected, when plan prices are displayed, then the full annual amount, currency, billing cadence, verified monthly equivalent, and approved savings are visible. Trial: Given a user starts a trial, when the final action is presented, then verified trial duration, payment requirement, amount due now, future charge, billing cadence, renewal, and cancellation access are visible. Paywall: Given a user reaches a premium feature, when the paywall appears, then the gated feature, unlocked value, required plan, verified price, close action, and alternative path are understandable. Usage Limit: Given a user approaches the plan limit, when the warning appears, then current usage, verified limit, reset rule, and available actions are visible. Uncertain Payment: Given the payment result is inconclusive, when the checkout returns, then the interface shows an uncertain state, blocks unsafe resubmission, and verifies payment and entitlement status. Billing Source: Given an Apple-managed subscriber opens Billing, when management actions appear, then the interface directs the user to the verified Apple management path rather than web cancellation. Cancellation: Given a user chooses cancellation, when the flow begins, then verified access, billing, data, and effective-date consequences are explained without hiding the final cancellation action. Restore Purchase: Given a mobile user may have an existing purchase, when Restore Purchases is selected, then the product verifies the platform purchase and account entitlement before suggesting another purchase. === REGRESSION TEST MATRIX === Plans: - Free - Professional - Team - Enterprise Cadence: - Monthly - Annual - Custom Subscription States: - Trial Eligible - Trial Active - Active - Payment Failed - Grace Period - Cancelled With Access - Expired - Enterprise Managed Billing Sources: - Web - Apple - Google Play - Enterprise Payments: - Card - Wallet - App-Store Purchase - Invoice Billing - Declined - Failed - Uncertain Usage: - Normal - Approaching Limit - Limit Reached - Reset Pending - Overage Platforms: - Desktop Web - Mobile Web - iOS - Android - Tablet - 200% Zoom - Large Text Localization: - English - German - French - Spanish - Portuguese - Japanese - Long Currency Value - Right-to-Left Readiness === QA CHECKLIST === Pricing: - Verify plan names. - Verify prices. - Verify currencies. - Verify cadence. - Verify annual charge. - Verify savings. - Verify current plan. - Verify Enterprise action. Trial: - Verify eligibility. - Verify duration. - Verify payment requirement. - Verify future charge. - Verify cancellation. Paywall: - Verify trigger. - Verify close action. - Verify frequency. - Verify state preservation. - Verify post-upgrade return. Usage: - Verify current usage. - Verify limits. - Verify reset. - Verify warnings. - Verify team visibility. Checkout: - Verify plan. - Verify amount due now. - Verify future charge. - Verify payment method. - Verify processing. - Verify declines. - Verify uncertain states. - Verify duplicate prevention. Billing: - Verify status. - Verify source. - Verify renewal. - Verify payment method. - Verify invoices. - Verify upcoming charge. - Verify seats. - Verify cancellation state. Cancellation: - Verify discoverability. - Verify consequences. - Verify alternatives. - Verify optional reasons. - Verify final action. - Verify confirmation. - Verify remaining access. Entitlement: - Verify web access. - Verify mobile access. - Verify restore. - Verify platform mismatch. - Verify duplicate-subscription prevention. - Verify pending states. Accessibility: - Verify semantics. - Verify focus. - Verify keyboard. - Verify screen readers. - Verify contrast. - Verify non-color states. - Verify zoom. - Verify reflow. - Verify large text. - Verify touch targets. === RISKS === Risk: Annual pricing hides the actual amount charged. Mitigation: Show the full annual charge prominently with the monthly equivalent as secondary context. Risk: The paywall appears before users understand product value. Mitigation: Use contextual post-value gating where commercially and technically appropriate. Risk: Users reach usage limits without warning. Mitigation: Create staged usage communication before the limit is reached. Risk: An uncertain payment is treated as a failure. Mitigation: Use a separate uncertain state with payment and entitlement reconciliation. Risk: Users purchase duplicate subscriptions across platforms. Mitigation: Verify account identity, billing source, restore eligibility, and existing entitlement before purchase. Risk: Cancellation uses manipulative retention patterns. Mitigation: Limit retention to relevant optional offers and preserve a clear cancellation action. Risk: App-store subscribers receive incorrect management instructions. Mitigation: Display actions according to the verified billing source. Risk: Analytics collect sensitive billing information. Mitigation: Track approved categories and outcomes without payment credentials or private records. === KNOWN LIMITATIONS === - Commercial terms require product and finance verification. - Billing behavior requires provider validation. - App-store requirements require current platform review. - Entitlement synchronization requires backend testing. - Trial eligibility requires historical-account validation. - Proration and refunds require authoritative billing logic. - Cancellation consequences require verified product and legal rules. - Accessibility requires implementation testing. - Localization requires professional review. - Experiment conclusions require sufficient traffic. - The architecture does not guarantee trial conversion, revenue, retention, reduced cancellation, or lower support volume. === FINAL INTEGRITY NOTE === All prices, currencies, billing cadences, trials, eligibility, usage limits, discounts, renewals, proration, refunds, payment outcomes, grace periods, suspension rules, cancellation consequences, data-retention behavior, app-store requirements, entitlement states, taxes, and regional disclosures must be verified before implementation. Never describe a subscription as active, renewed, cancelled, expired, refunded, restored, or reactivated unless the billing and entitlement systems confirm that state. Never hide recurring billing, future charges, cancellation access, plan limitations, usage restrictions, or material feature loss. The subscription architecture is designed to improve clarity, trust, payment confidence, entitlement accuracy, accessibility, and implementation readiness. It does not guarantee increased conversion, revenue, annual-plan adoption, retention, or reduced churn.