Welcome to LottoLucky ("we," "our," or "us"). We are committed to protecting your privacy and ensuring transparency about how we collect, use, and protect your information.
By using LottoLucky, you agree to the collection and use of information in accordance with this policy.
1. Information We Collect
We collect different types of information to provide and improve our services:
1.1 Information You Provide
Account information (email address, password) when you create an account
State selection and lottery preferences
Budget settings and playing mentality preferences
Favorite games and personalized settings
Customer support communications
1.2 Automatically Collected Information
Device information (device type, operating system version)
App usage data (features accessed, screens viewed, time spent)
Crash reports and performance data
Network information (IP address, connection type)
App version and technical diagnostics
1.3 Optional Scanner Data
When you use our lottery ticket scanner feature and opt-in to Scanner Improvements:
Images of lottery ticket snippets (small portions showing game name/number only)
OCR extracted text from tickets
Match results (whether our scanner correctly identified the game)
Confidence scores for scanner predictions
State and game information for matched tickets
Important
We never collect images of complete tickets or any information that could identify winning tickets or prizes
Barcode and serial number regions are explicitly excluded
This feature is OPT-IN and can be disabled at any time
Limited to 20 submissions per day per user
2. How We Use Your Information
We use collected information for the following purposes:
2.1 Service Delivery
Provide lottery game data and analysis
Calculate expected values and odds
Deliver simulation features
Sync your preferences across devices
Process subscriptions and manage your account
2.2 Analytics & Improvement (Opt-Out Available)
When you enable App Analytics in Privacy Settings:
Understand how users interact with features
Identify and fix bugs and crashes
Measure feature popularity and usage patterns
Improve app performance and user experience
Analyze which states and games are most popular
You Control This
Analytics can be disabled at any time in Settings → Privacy & Data → App Analytics
2.3 Machine Learning Improvements (Opt-In)
When you enable Scanner Improvements in Privacy Settings:
Train machine learning models to improve scanner accuracy
Identify common OCR errors and edge cases
Enhance game name recognition algorithms
Build better text extraction models
Improve scanner performance for all users
Community Contribution
Your contributions help improve scanner accuracy for everyone. This feature is OPT-IN and limited to 20 submissions per day. Disable at any time in Settings → Privacy & Data → Scanner Improvements
2.4 Communication
Send important service announcements
Respond to customer support inquiries
Notify about subscription status changes
Alert about significant app updates
3. How We Share Your Information
We do not sell your personal information. We share data only in limited circumstances:
3.1 Service Providers
We use trusted third-party services to operate our app:
Firebase (Google) — Authentication, database, cloud storage, and analytics
Apple App Store — Subscription and payment processing
Cloud infrastructure providers — App hosting and data storage
These providers are contractually obligated to protect your data and use it only for providing services to us.
3.2 Legal Requirements
We may disclose information if required by law, such as:
Responding to legal requests (subpoenas, court orders)
Enforcing our Terms of Service
Protecting rights, property, or safety of LottoLucky, users, or others
Investigating fraud or security issues
3.3 Business Transfers
If LottoLucky is involved in a merger, acquisition, or sale of assets, your information may be transferred. We will notify you of any such change.
4. Data Security
We implement industry-standard security measures to protect your information:
Encryption in transit (TLS/SSL) for all data communications
Encryption at rest for stored data in Firebase
Secure authentication using Firebase Authentication
Regular security audits and updates
Limited employee access to personal data
Automated rate limiting to prevent abuse
However, no method of transmission over the internet is 100% secure. While we strive to protect your data, we cannot guarantee absolute security.
5. Data Retention
We retain your information for as long as necessary to provide services:
Account data: Retained while your account is active
Usage analytics: Aggregated and anonymized after 26 months
Scanner ML data: Anonymized immediately upon collection, retained for model training
Subscription history: Retained for legal and tax compliance (typically 7 years)
Support communications: Retained for 3 years
You can request deletion of your data at any time through Settings → Privacy & Data → Delete My Data
6. Your Privacy Rights
You have the following rights regarding your personal information:
6.1 Access & Portability
Request a copy of your personal data
Export your preferences and settings
View your subscription and payment history
6.2 Control & Deletion
Update or correct your information at any time
Delete your account and associated data
Opt-out of analytics collection
Opt-out of machine learning contributions
Withdraw consent for optional data collection
6.3 California Privacy Rights (CCPA)
If you are a California resident, you have additional rights:
Right to know what personal information is collected
Right to know if personal information is sold or shared
Right to opt-out of sale of personal information (we don't sell data)
Right to request deletion of personal information
Right to non-discrimination for exercising privacy rights
6.4 European Privacy Rights (GDPR)
If you are in the European Economic Area, you have rights under GDPR:
Right to access your personal data
Right to rectification of inaccurate data
Right to erasure ("right to be forgotten")
Right to restrict processing
Right to data portability
Right to object to processing
Right to withdraw consent at any time
7. Children's Privacy
LottoLucky is not intended for users under 18 years of age (or the legal gambling age in your jurisdiction, whichever is higher).
We do not knowingly collect personal information from children. If you believe a child has provided us with personal information, please contact us immediately, and we will delete such information.
Note: Lottery games are age-restricted activities. Our app is for informational purposes and simulation only.
8. Third-Party Services & Links
Our app may contain links to third-party websites or services:
Official state lottery websites
Lottery retailer locators
Social media platforms
Customer support resources
We are not responsible for the privacy practices of third-party sites. We encourage you to review their privacy policies.
9. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. Changes will be effective when posted in the app.
Material changes will be communicated via:
In-app notification
Email to registered users
Updated "Last Updated" date at the top of this policy
Continued use of the app after changes constitutes acceptance of the updated policy.
10. International Data Transfers
Your information may be transferred to and processed in countries other than your country of residence, including the United States, where Firebase servers are located.
We ensure appropriate safeguards are in place for international transfers, including:
Standard contractual clauses approved by the European Commission