Privacy Policy

1 Introduction

This Privacy Policy explains how ATLAGIA LLC ("we," "us," or "our") collects, uses, discloses, and safeguards your information when you use our mobile applications and visit our website.

This privacy policy applies to all mobile applications published by ATLAGIA LLC, including but not limited to:

• 3D Grapher: AR Calculator — 3D graphing calculator with AR projection and math equation plotter
• Match3Eggs — Match-3 puzzle game with levels, power-ups, and leaderboards
• PhySim — Physics sandbox simulator for students
• Any future applications published by ATLAGIA LLC

This policy also applies to the atlagia.com website and any associated services.

2 Information We Collect

a) Personal Information

• Name and email address (if account registration is used)
• Payment information (processed entirely by Apple or Google — we do not store your payment details)

b) Device & Technical Information

• Device type, model, and operating system version
• Unique device identifiers (IDFA/GAID for advertising purposes)
• IP address
• App version and crash logs

c) Usage Data

• Features used, session duration, and interaction events
• In-app purchase history
• Subscription status

d) Camera & Sensor Data (3D Grapher only)

• Camera feed is processed locally on-device for AR features
• We do NOT store, transmit, or save camera images to our servers
• Motion sensor data (gyroscope, accelerometer) is used for AR orientation only

3 How We Use Your Information

We use the information we collect to:

• Provide, maintain, and improve our applications
• Process in-app purchases and subscriptions
• Serve personalized advertisements (via Google AdMob)
• Analyze app usage and performance (via Firebase Analytics)
• Send service-related notifications
• Comply with legal obligations

4 Advertising & Third-Party Services

Google AdMob

We use Google AdMob to serve ads in our free apps. AdMob may collect device identifiers, IP addresses, and interaction data to serve personalized ads. You can opt out of personalized ads in your device settings (iOS: Settings > Privacy > Tracking; Android: Settings > Google > Ads).

Firebase Analytics

Firebase Analytics collects anonymous usage statistics to help us understand how our apps are used and to improve the user experience.

Apple App Store / Google Play

Payment processing for subscriptions and in-app purchases is handled entirely by Apple (via StoreKit) or Google (via Google Play Billing). We do not have access to your full payment details, including credit card numbers.

5 Data Sharing

• We do NOT sell your personal data to third parties.
• Data may be shared with the following third-party service providers as necessary for app functionality:
  • Google (AdMob for advertising, Firebase for analytics)
  • Apple (StoreKit for iOS in-app purchases)
  • Google (Play Billing for Android in-app purchases)
• We may disclose your data if required to do so by law or in response to valid requests by public authorities.

6 Data Retention

• We retain usage analytics data for up to 26 months.
• Purchase records are retained for as long as your subscription is active and as required for accounting and legal purposes.
• You may request deletion of your data at any time by contacting us at support@atlagia.com.

7 Your Rights

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

• Access your personal data that we hold
• Request correction of inaccurate data
• Request deletion of your personal data
• Opt out of personalized advertising
• Withdraw consent at any time (without affecting the lawfulness of processing before withdrawal)
• Data portability — receive your data in a structured, machine-readable format

8 Children's Privacy

• Our apps are not specifically directed to children under 13 years of age.
• We do not knowingly collect personal information from children under 13.
• If we discover that we have inadvertently collected data from a child under 13, we will delete it immediately.
• Parents or guardians who believe their child has provided us with personal information may contact us at support@atlagia.com.

9 Data Security

We implement appropriate technical and organizational measures to protect your data, including:

• All data is encrypted in transit (TLS/SSL) and at rest
• Regular security audits and vulnerability assessments
• Access controls and authentication mechanisms to prevent unauthorized access

10 International Data Transfers

Your data may be transferred to and processed in the United States, where ATLAGIA LLC is headquartered. We take appropriate measures to protect your data during any international transfers, including the use of standard contractual clauses and other safeguards as required by applicable law.

11 Changes to This Policy

• We may update this Privacy Policy from time to time to reflect changes in our practices or legal requirements.
• Changes will be posted on this page with an updated effective date.
• Your continued use of our applications after any changes to this policy constitutes your acceptance of the updated terms.

12 Contact Us

If you have any questions, concerns, or requests regarding this Privacy Policy, please contact us: