Terms of Service

Last updated: January 1, 2026

1. Acceptance of Terms

Welcome to co:sim (hereinafter referred to as "we" or "the Company"). By using our services, you agree to comply with these Terms of Service. If you do not agree to these terms, please do not use our services.

2. Service Description

co:sim provides two main eSIM services:

Global Prepaid

  • Real phone number (+372 Estonia)
  • Voice calls, SMS, and data services
  • Coverage in 190+ countries
  • Pay-As-You-Go (PAYG) or optional data packages
  • No monthly or maintenance fees

Data Only

  • Fixed data packages for specific destinations
  • Data-only service, no voice/SMS
  • Daily data or total data plans
  • Some destinations support reloadable eSIMs

3. User Responsibilities

When using our services, you agree to:

  • Provide accurate and complete personal information
  • Ensure your device supports eSIM and is unlocked (see our Supported Devices)
  • Not use the service for any illegal purposes
  • Not resell or transfer your purchased eSIM
  • Comply with laws and regulations of destination countries
  • Safeguard your account information and balance

4. Purchase & Payment

All prices are displayed in Euros (EUR). We accept the following payment methods:

  • Credit/Debit Cards (Visa, MasterCard, AMEX, JCB)
  • PayPal, Apple Pay, Google Pay
  • Alipay, WeChat Pay
  • Global Prepaid balance (for purchasing Data Only plans)

After successful payment, you will receive an email containing your eSIM QR code. All transactions are processed through secure third-party payment processors.

5. Validity & Data

Data Only Plans

The validity period starts when you first connect to a network at your destination. Data calculation depends on your plan type (daily or total data). Service automatically stops when the validity period ends or data is depleted, whichever comes first.

Global Prepaid

Balance remains valid indefinitely as long as you use the service at least once every 12 months. Data packages have their own validity periods - check details when purchasing.

6. Service Limitations

  • Data Only eSIMs provide data connectivity only, excluding voice calls and SMS
  • Global Prepaid voice services may be unavailable in some countries due to local regulations
  • Network speed and coverage depend on local carrier conditions; we cannot guarantee specific speeds or 100% coverage
  • eSIMs can typically only be installed once; reinstallation may not be possible after deletion
  • Some countries/regions may have special usage restrictions

7. Refund Policy

Unused eSIMs can be refunded within 7 days of purchase. Activated eSIMs (connected to a network) cannot be refunded. See our Refund Policy for details.

8. Account Security

You are responsible for protecting your account security, including:

  • Using a secure email address
  • Not sharing your login credentials
  • Notifying us immediately of any unauthorized use
  • Being responsible for all activities under your account

9. Disclaimer

This service is provided "as is." We are not liable for:

  • Service unavailability due to device incompatibility
  • Local carrier network outages or speed issues
  • eSIM damage or loss due to user error
  • Any indirect, incidental, special, or consequential damages

10. Terms Modification

We reserve the right to modify these Terms of Service at any time. Modified terms will be published on our website, and continued use of the service constitutes acceptance of the modified terms. Significant changes will be notified via email.

11. Governing Law

These Terms of Service are governed by Estonian law. Any disputes will be submitted to the courts of competent jurisdiction in Estonia.

12. Contact Us

If you have any questions about these Terms of Service, please contact us:

  • Email: support@cosim.io
  • WhatsApp: 24/7 Support