Privacy Policy

Last updated: 20th April 2026

1. Introduction

Welcome to ThaiLang

This Privacy Policy explains how we collect, use, and protect your information when you use our websites and apps (together the “Services”). This privacy policy should be read alongside our Terms which set out the terms applicable to use of our Services.

By using ThaiLang, you agree to the collection and use of information in accordance with this policy.

ThaiLang is operated by GCH TECHNOLOGY LTD in the United Kingdom, with its registered address at International House, 10 Beaufort Court, Admirals Way, London, E14 9XL.

The Data Controller for the Services is GCH TECHNOLOGY LTD.

Throughout this Privacy Policy, the terms "ThaiLang", "we", "our", "us" and "platform" refer to GCH TECHNOLOGY LTD.

By using ThaiLang, you agree to the collection and use of information in accordance with this Privacy Policy.

This Privacy Policy may be updated from time to time. Your continued use of the Services after any changes become effective constitutes your acceptance of the revised policy. We encourage you to review this page periodically to stay informed. The “Last updated” date at the top of this page indicates when this policy was last updated.

2. Information We Collect

We collect personal information that you voluntarily provide to us, as well as certain information automatically when you use the Services. The types of data we collect depend on how you interact with ThaiLang.

2.1 Information You Provide to Us

For a better experience while using our Service, we may require you to provide certain personally identifiable information, including but not limited to:

  • Name
  • Email address
  • Username
  • Date of birth
  • Country
  • Profile information (such as profile picture)

We may also collect information when you:

  • Create an account
  • Contact us for support
  • Communicate with us directly

This information is retained and used as described in this Privacy Policy.

2.2 Usage and Product Data

As part of our normal business operations, we collect and use data related to how you interact with the app, including but not limited to:

  • Words and phrases learned
  • Learning progress and activity
  • Streaks and engagement behavior
  • Features you use and interactions within the app

This data is used for:

  • Product experience and improvement
  • Feature development and optimization

2.3 Automatically Collected Information

We may automatically collect certain information when you use the Services, including but not limited to:

  • IP address
  • Device type and identifiers
  • Operating system and app version
  • Browser type and language
  • Mobile carrier
  • General location data
  • Usage patterns, pages viewed, and interactions

This information helps us:

  • Maintain and improve the app
  • Diagnose technical issues
  • Analyze usage and performance

2.4 Information from Third Parties

We may receive information about you from third-party services, including but not limited to:

  • Google Sign-In
  • Apple Sign-In
  • App stores or platform providers

This may include information such as your name, email address, profile picture, and account identifiers, depending on your privacy settings with those services.

  • Maintain and improve the app
  • Diagnose technical issues
  • Analyze usage and performance

2.5 Analytics and Third-Party Services

The app uses third-party services that may collect information used to identify you, including:

  • PostHog (analytics)
  • Sentry (error tracking)

These services help us understand usage, monitor performance, and improve the app.

2.6 Cookies and Tracking Technologies

We may use cookies and similar tracking technologies to collect information about your interactions with the Services. This includes tracking for analytics and advertising purposes.

3. How We Use Your Information

We acquire, hold, and process personal information for a variety of business purposes, including but not limited to the following:

3.1 Providing and Maintaining the Services

We use your information to:

  • Create and manage your account
  • Provide access to app features and functionality
  • Track learning progress and activity
  • Respond to questions, support requests, and feedback

3.2 Administrative and Operational Purposes

We may use your information to:

  • Monitor and improve the performance of the Services
  • Develop new features and functionality
  • Verify user identity
  • Communicate with you about your account, updates, or changes to our policies
  • Process transactions and manage subscriptions
  • Prevent fraud, abuse, or illegal activity
  • Enforce our Terms and policies

3.3 Analytics and Product Improvement

We use data (including aggregated and anonymized data) to:

  • Understand how users interact with the Services
  • Improve user experience and feature design
  • Conduct internal research and analysis
  • Measure the effectiveness of features and updates

3.4 Marketing and Communications

Where permitted by applicable law, we may use your information to:

  • Send updates, offers, or relevant information about the Services
  • Provide content, features, or promotions that may be of interest

You may opt out of marketing communications at any time by contacting us or using available unsubscribe options.

3.5 Research and Development

We may use personal information to create anonymized and aggregated data that does not identify you. This data may be used to:

  • Improve existing features
  • Develop new products and services
  • Conduct research and analysis

3.6 Mobile Device Data

When you use the app on a mobile device, we may collect and use information such as:

  • Device identifiers
  • Operating system and settings
  • General location data

This information may be associated with your account and used to improve app functionality and performance.

3.7 Legal and Security Purposes

We may use your information where necessary to:

  • Comply with legal obligations
  • Respond to lawful requests from authorities
  • Protect our rights, users, and the integrity of the Services

3.8 Other Uses

We may use your information for other purposes disclosed to you at the time of collection or with your consent.

4. Data Retention

ThaiLang retains the personal information we collect as described in this Privacy Policy for as long as you use the Services or as necessary to fulfill the purposes for which it was collected, including to provide the Services, resolve disputes, establish legal defenses, conduct audits, pursue legitimate business interests, enforce our agreements, and comply with applicable laws.

5. Data Sharing

We recognize that much of the information we collect about you is private, and we do not sell your personal data.

However, we may share your information with select third parties where necessary to provide, maintain, and improve the Services. These third parties are only given access to the information required to perform their functions and are not permitted to use it for other purposes.

The categories of third parties we may share information with are described below. This list is not exhaustive.

5.1 Cloud Storage and Hosting

We use third-party cloud providers, including Amazon Web Services (AWS), to host and store data. Your information may be stored on secure servers and protected using industry-standard encryption technologies.

These providers process data on our behalf and do not use your information for their own purposes.

5.2 Analytics and Performance Tools

We use third-party analytics and monitoring tools (such as PostHog and Sentry) to understand how users interact with the Services and to improve performance.

These tools may process information such as device data, usage activity, IP address, and other technical information.

5.3 Payment Processors

Payments are processed through third-party platforms, including Apple App Store and Google Play.

These providers may collect and process payment-related information in accordance with their own privacy policies. We do not store your full payment or billing details.

5.4 Advertising and Marketing Partners

We may work with third-party partners to deliver analytics and advertising services. These partners may collect information about your interactions with the Services to:

  • Measure usage and engagement
  • Improve features and performance
  • Deliver relevant content or advertisements

Such data collection may involve the use of cookies or similar tracking technologies.

5.5 Legal and Compliance

We may disclose your information where required to do so by law or where we believe such action is necessary to:

  • Comply with legal obligations
  • Enforce our Terms and policies
  • Protect our rights, users, or the safety of others

5.6 International Data Transfers

Your information may be processed in countries other than your own. Where we transfer personal data internationally, we take appropriate safeguards to ensure it is protected in accordance with applicable laws.

6. Third-Party Services

The Services may contain links to third-party websites, services, or applications that are not owned or controlled by us.

We do not control, endorse, or assume responsibility for the content, privacy policies, or practices of any third-party services. We encourage you to review the privacy policies of any third-party services you interact with.

Your interactions with third-party services are at your own risk, and we are not responsible for how such third parties collect, use, or share your information.

6.1 Third-Party Integrations

ThaiLang may integrate with third-party services such as Google Sign-In, Apple Sign-In, analytics providers, and advertising partners.

These services may collect information in accordance with their own privacy policies. This may include setting cookies or similar tracking technologies on your device.

If you choose to interact with third-party features or services, you acknowledge that your information may be shared with those third parties as necessary to provide the functionality.

6.2 Public and Shared Content

Any information you voluntarily share in public areas or through third-party platforms may be visible to others and can be collected or used by third parties without restriction.

We are not responsible for how such information is used by others once it has been shared publicly or with third-party services.

6.3 Third-Party Payment Processing

We offer subscriptions and in-app purchases through third-party platforms, including the Apple App Store and Google Play.

These providers may collect certain information to process transactions, including billing and account details.

We do not collect or store your full payment or billing information. Your use of these payment services is subject to the terms and privacy policies of the respective providers.

7. Tracking & Advertising

We may use tracking technologies for:

  • Analytics
  • Advertising and marketing purposes

This may include collecting data across sessions and devices to improve our services and show relevant content.

8. Children’s Privacy

ThaiLang is not directed to children under the age of 13. We do not knowingly collect personal data from children under 13. If we become aware that such data has been collected, we will delete it promptly.

9. Security

We take reasonable administrative, technical, and organizational measures to protect your personal data.

We use industry-standard security technologies, including encryption in transit (such as Secure Sockets Layer (SSL)), to help protect information transmitted through the Services from unauthorized access or interception.

We restrict access to personal data to authorized personnel and service providers who need that information to operate, develop, or improve the Services.

We follow generally accepted industry standards to protect the personal data submitted to us, both during transmission and once it is received and stored.

However, no method of transmission over the Internet or method of electronic storage is completely secure. While we strive to use commercially acceptable means to protect your personal information, we cannot guarantee its absolute security.

In the event of a data breach that is likely to result in a risk to your rights and freedoms, we will take appropriate steps in accordance with applicable laws, including notifying relevant authorities and, where required, affected users.

10. Changes to This Policy

We may update this Privacy Policy from time to time. Your continued use of the Services after any changes become effective constitutes your acceptance of the revised policy. We encourage you to review this page periodically to stay informed. The “Last updated” date at the top of this page indicates when this policy was last updated.

11 Data Deletion Requests

You may request deletion of your personal data at any time by:

We will process such requests in accordance with applicable laws.

12. Contact Us

If you have any questions about this Privacy Policy, you can contact us at: support@gchtechnology.com.