Privacy Policy

We collect and process the following types of data: Account & Profile Data: • Email address (required for account creation) • Basic account information • Device information & technical data • Usage patterns and interactions Costco Receipt Data: • Receipt images uploaded by users • OCR-processed receipt information • Purchase details (items, prices, dates) • Store location information • Transaction amounts and payment methods Price Tracking Data: • Historical price information • Price change notifications • Refund eligibility analysis • Costco price adjustment requests All data is collected with explicit consent and protected with enhanced security measures.

How we handle your Costco receipts: Receipt Upload: • Secure image upload through our app • Automatic OCR processing using cloud services • Temporary storage for processing • Immediate deletion after data extraction OCR Processing: • Uses cloud-based OCR services • Extracts purchase details automatically • No human review of receipt images • Data is processed securely and confidentially Data Extraction: • Item names and descriptions • Purchase prices and quantities • Purchase dates and store information • Transaction IDs and payment details We do not share receipt images or raw OCR data with third parties.

We retain your data according to these timeframes: • Active accounts: As long as account is active • Receipt images: Deleted immediately after OCR processing • Purchase data: 90 days for price tracking • Account data: Until account deletion • Support interactions: 2 years • Price history: 30 days for adjustment eligibility Account Deletion: • You can delete your account at any time • All associated data will be permanently deleted • Receipt images are not stored long-term • Price tracking data will be removed

Your data is processed and stored securely: Storage Locations: • Cloud-based secure servers • Data centers with encryption • Regional compliance with local laws • Backup facilities with same security Processing Security: • Encryption in transit (HTTPS/TLS) • Encryption at rest (AES-256) • Access logging and audit trails • Regular security assessments OCR Services: • Trusted cloud OCR providers • Data processing agreements in place • No permanent storage of receipt images • Secure API communications

You have the right to: • Access your personal data • Request data correction • Delete your account and all data • Object to processing • Data portability • Withdraw consent • Lodge complaints with authorities Special Rights by Region: • California (CCPA) • Europe (GDPR) • Canada (PIPEDA) • Australia (Privacy Act) Contact contact@eayaya.com to exercise these rights.

We are committed to protecting your data: No Third-Party Sharing: • We do not sell your personal data • We do not share receipt information • We do not share purchase details • We do not share email addresses Service Providers: • Cloud storage providers (encrypted) • OCR processing services (temporary) • Email notification services • Analytics services (aggregated only) Legal Requirements: • Law enforcement requests • Court orders and subpoenas • Regulatory compliance • Safety and security concerns

How we help you save money: Price Monitoring: • Automatic tracking of purchased items • 30-day price change monitoring • Costco price adjustment eligibility • Refund opportunity notifications Data Usage: • Purchase history for price comparison • Receipt details for refund requests • Email notifications for price drops • Refund tracking and status updates Costco Integration: • We do not directly access Costco systems • We provide information for your refund requests • We help you navigate Costco's policies • We track your refund success rates

We protect your data through: Security Measures: • Industry-standard encryption • Secure cloud infrastructure • Regular security audits • Access controls and monitoring Receipt Protection: • Images deleted after processing • OCR data encrypted in storage • No human access to receipt images • Secure transmission protocols Account Security: • Email verification required • Secure authentication • Session management • Activity monitoring

How receipt processing works: Upload Process: • Take photo through our app • Secure upload to our servers • Automatic OCR processing • Immediate image deletion OCR Technology: • Cloud-based optical character recognition • Extracts text and data from images • Processes purchase information • Identifies items, prices, and dates Data Accuracy: • OCR is not 100% accurate • Users can review and edit extracted data • Manual correction options available • Quality checks and validation

We collect analytics data for: Service Improvement: • Feature usage patterns • Performance metrics • Error tracking • User journey analysis Price Tracking Analytics: • Success rates of refund requests • Average savings per user • Popular items for tracking • Costco policy effectiveness All analytics data is: • Aggregated and anonymized • No personal information included • Used for service improvement only • Protected by strict access controls

Your data export rights: Available Data: • Account information • Purchase history • Price tracking data • Refund request history • Account settings Export Formats: • Machine-readable format • Human-readable format • Common file types (CSV, JSON) • Structured data export Export Process: • Request verification • Data compilation • Secure delivery • Download expiration Timeframes: • Standard: 30 days • Complex: 60 days • Large data: 90 days

Our technical security measures: Cloud Security: • Enterprise-grade cloud providers • Multi-region redundancy • Automatic backups • Disaster recovery plans Data Protection: • End-to-end encryption • Secure API communications • Rate limiting and monitoring • Intrusion detection systems Access Controls: • Role-based access • Multi-factor authentication • Audit logging • Regular access reviews

How we use AI and ML: OCR Processing: • Machine learning for receipt recognition • Pattern recognition for data extraction • Accuracy improvements over time • Error detection and correction Price Analysis: • Price change pattern recognition • Refund opportunity identification • Costco policy compliance checking • User savings optimization Data Usage: • Training data anonymization • Model improvements • Feature optimization • Performance analysis Your Controls: • Opt-out of AI processing • Manual data entry options • Review and edit extracted data • Control over automation features

Our cookie and tracking policies: Essential Cookies: • Authentication • Security features • User preferences • Session management Analytics Cookies: • Usage statistics • Performance monitoring • Error tracking • Feature optimization Third-Party Cookies: • Limited third-party services • Analytics providers only • No advertising tracking • Privacy-focused partners Your Controls: • Cookie preferences • Do Not Track support • Tracking opt-out • Cookie deletion