Subscription App UI Architect

=== 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.