Privacy Policy

Introduction

Welcome to Quiz Trainer ("we," "our," or "us"). We are committed to protecting your privacy and ensuring you have a positive experience when using our mobile application. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use Quiz Trainer.

Information We Collect

We collect information in the following ways:

Information You Provide

• Account information (if you choose to create an account): email address and display name
• Profile preferences: category preferences, notification settings
• Feedback and support communications

Information Collected Automatically

• Device information: device type, operating system, unique device identifiers
• Usage data: quiz performance, categories studied, time spent in app
• Analytics data: app crashes, feature usage patterns

Information Stored Locally

• Your ELO ratings (global and per-category)
• Question history and spaced repetition data
• Knowledge heatmap and performance analytics
• Energy/stamina system data

How We Use Your Information

We use the information we collect to:

• Provide and maintain Quiz Trainer's core functionality
• Calculate and update your ELO ratings
• Power the spaced repetition learning system
• Generate your personalized Knowledge Heatmap
• Improve and optimize our question database
• Send important updates about the app (with your consent)
• Respond to your support requests
• Analyze usage patterns to improve the user experience

Data Storage & Security

Quiz Trainer uses a local-first architecture powered by SwiftData. This means:

• Your learning progress is stored primarily on your device
• The app functions fully offline
• Syncing with our servers only occurs for content updates and optional backup

We implement industry-standard security measures to protect any data transmitted to our servers, including encryption in transit and at rest.

Third-Party Services

Quiz Trainer may use the following third-party services:

• Apple App Store: For app distribution and in-app purchases
• Apple Sign In: For optional account authentication
• Google Sign In: For optional account authentication
• Analytics Services: To understand app usage (anonymized)
• Advertising Partners: For free tier users (see Advertising section)

Advertising (Free Tier)

If you use Quiz Trainer's free tier, you may see advertisements. Our advertising partners may collect certain information to serve relevant ads. You can remove all advertising by subscribing to Quiz Trainer Premium.

We do not sell your personal information to advertisers. Any data shared with advertising partners is anonymized and used only for ad delivery and performance measurement.

In-App Purchases

Quiz Trainer offers optional purchases including:

• Premium subscription (ad-free experience with advanced features)
• DLC question packs
• Pro Plan (lifetime access)

All purchases are processed through the Apple App Store. We do not collect or store your payment information directly.

Children's Privacy

Quiz Trainer is intended for users aged 13 and older. We do not knowingly collect personal information from children under 13. If you believe we have inadvertently collected such information, please contact us immediately.

Your Rights

Depending on your location, you may have the following rights:

• Access: Request a copy of your personal data
• Correction: Request correction of inaccurate data
• Deletion: Request deletion of your data ("Right to be Forgotten")
• Portability: Request your data in a portable format
• Opt-out: Opt out of certain data processing

To exercise these rights, please contact us at privacy@quiztrainer.app.

Account Deletion

You can delete your Quiz Trainer account at any time through the app:

Profile → Settings → Delete Account

This will permanently remove your account and all associated data from our servers. Local data on your device can be removed by uninstalling the app.

Data Retention

We retain your personal information only for as long as necessary to provide our services and fulfill the purposes outlined in this policy. Local data remains on your device until you delete the app or clear app data.

International Users

Quiz Trainer is operated from the United Kingdom. If you access our app from outside the UK, please be aware that your information may be transferred to, stored, and processed in a country different from your own.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date. Significant changes will be communicated through the app.

Contact Us

If you have questions about this Privacy Policy or our data practices, please contact us:

• Email: privacy@quiztrainer.app
• General Support: support@quiztrainer.app