Privacy Policy

Last updated: May 21, 2025

This Privacy Policy explains how Zeust Limited ("we", "us", "our") collects, uses, stores, and protects your personal information when you access or use the DataSim mobile application and website (data-sim.app).

By using our services, you agree to the terms of this policy.

1. Company Information

Zeust Limited
1 Avlonos Street, Maria House,
1075 Nicosia, Cyprus
Company Registration Number: 362856

2. Information We Collect

We collect the following types of personal information:

a. Account Information
When you create an account using Sign in with Apple or Sign in with Google, we collect:

• Email address
• Unique identifier (Apple ID or Google ID)
• Optional profile information (e.g. name, profile picture)

b. Payment Information
Payments are processed by JCC Payment Gateway. We do not store your credit card or banking data. JCC may collect payment-related details required to process your transaction securely.

c. Usage and Diagnostic Data
We use Firebase SDK to collect anonymised data, including:

• App usage patterns
• Device and OS information
• Crash logs and error reports
• General location (country-level only)

3. How We Use Your Information

We use your data to:

• Create and manage your account securely
• Deliver purchased eSIM data plans
• Process payments via JCC
• Improve user experience and app performance
• Detect and prevent abuse or fraud
• Comply with legal and regulatory obligations

4. Legal Basis for Processing

We process your personal data based on:

• Your consent (when signing in or making a purchase)
• Our contractual obligation to provide you with purchased services
• Our legitimate interest in improving service functionality and preventing fraud
• Legal requirements under applicable laws

5. Data Sharing

We do not sell your personal data.

We only share information with trusted third parties required for service delivery:

• Firebase by Google (Authentication, analytics, diagnostics)
• JCC Payment Gateway (Payment processing)

These providers may process your data in countries outside your own. Where required, we ensure appropriate data protection safeguards are in place.

6. Cookies and Tracking

Our website and app may use cookies or similar technologies to:

• Maintain session states
• Analyse web traffic
• Improve service reliability

You may manage or disable cookies via your browser settings.

7. International Data Transfers

As part of our global infrastructure, your data may be transferred and stored in countries that have different data protection standards. Where this occurs, we ensure that adequate safeguards are in place.

8. Your Rights

Depending on your jurisdiction, you may have the right to:

• Access your personal data
• Correct or update inaccurate information
• Request deletion of your data
• Object to or restrict processing
• Withdraw consent at any time

You can exercise these rights by contacting us at support@data-sim.app.

9. Data Retention

We retain your data as long as necessary to:

• Provide services to you
• Comply with legal or financial regulations
• Resolve disputes and enforce agreements

You may request account deletion at any time.

10. Security

We implement technical and organisational measures to protect your personal data against unauthorised access, loss, misuse, or alteration. However, no online service can be completely secure.

11. Changes to This Policy

We may update this Privacy Policy from time to time. Any changes will be posted on data-sim.app with the updated effective date. We encourage you to review this policy periodically.

12. Contact Us

If you have questions or requests regarding this Privacy Policy, please contact support@data-sim.app

Zeust Limited
Address: 1 Avlonos Street, Maria House, 1075 Nicosia, Cyprus.
Phone: +35722007528
VAT no: CY10362856T
Registration no: HE362856