Privacy Policy

1. Introduction

Welcome to Lingro ("we," "our," or "us"). Lingro is an AI-powered English learning application designed to help users practice spoken English through interactive AI roleplay, conversational exercises, and speech feedback. We respect your personal privacy and are committed to protecting the information you share with us.

This Privacy Policy explains what information we collect, how that information is used, how speech and audio data are processed, with whom information may be shared, and your rights regarding your data when using our mobile application and related website services.

2. Information We Collect

We collect information necessary to deliver, maintain, and improve our language learning services. This includes:

3. How We Use Information

We use the information we collect for legitimate educational and business purposes, including:

• Providing, operating, and personalizing Lingro's English speaking coach features.
• Transcribing voice input and generating dynamic AI conversation replies.
• Calculating speech scores, fluency feedback, and grammar corrections.
• Maintaining user accounts, streaks, and progress records across devices.
• Facilitating order verification, subscription management, and customer support.
• Detecting, investigating, and preventing technical abuse, fraud, or violations of our Terms.
• Improving the responsiveness and quality of our learning content and algorithms.

4. AI and Third-Party Service Providers

To provide advanced language processing, speech synthesis, and secure cloud infrastructure, Lingro partners with vetted third-party technology providers. These services may include:

• AI and Large Language Model (LLM) providers for conversation generation.
• Speech-to-Text and Text-to-Speech engines for voice transcription and audio playback.
• Cloud hosting and database infrastructure for secure data storage.
• Authentication providers (e.g., Google OAuth) for secure sign-in.
• Payment gateways (e.g., Razorpay, Google Play Billing) for billing.
• Crash reporting and analytics to diagnose app performance.

Information shared with third-party service providers is limited to what is reasonably necessary to deliver their respective services and is processed in compliance with their applicable privacy and security policies.

5. Payment Information & Security

Lingro does not directly collect, store, or process sensitive credit card numbers, debit card PINs, CVVs, UPI PINs, or net banking passwords.

All payment transactions are handled directly by certified, PCI-DSS compliant third-party payment processors, including Razorpay and Google Play Billing. We only receive confirmation of payment status (such as payment ID, subscription status, and order date) to activate your Premium access.

6. Data Security

We implement reasonable and industry-standard administrative, technical, and physical safeguards to protect your personal information against unauthorized access, loss, alteration, or disclosure. This includes encrypted communications (HTTPS/TLS), secure token authentication, and restricted backend access controls.

Please note that no method of electronic transmission over the Internet or electronic storage is 100% secure, and we cannot guarantee absolute security.

7. Data Retention

We retain your account and learning data for as long as your Lingro account remains active or as needed to provide you with services. If you delete your account or request data deletion, we will delete or anonymize your information, except where retention is required by applicable law, tax obligations, or dispute resolution requirements.

8. Children's Privacy

Lingro is an educational platform intended for general audiences and adult learners. Lingro is not directed at children under the age of 13 (or the applicable legal age in your jurisdiction). We do not knowingly collect personal information from children without verified parental consent. If we learn that we have inadvertently collected data from a child under the required age, we will take prompt steps to delete such data.

9. Your Rights and Choices

Depending on your location and applicable privacy laws, you may have the right to:

• Access the personal information we hold about you.
• Request corrections to any inaccurate or incomplete personal details.
• Request the deletion of your account and associated learning data.
• Revoke microphone permissions at any time through your device operating system settings.
• Opt out of non-essential promotional communications.

To exercise any of these rights, please email us at lingro028@gmail.com.

10. Changes to This Policy

We may periodically update this Privacy Policy to reflect changes in our practices, technologies, or legal obligations. When we make material changes, we will update the "Effective Date" at the top of this page and, where appropriate, notify you through an in-app notice or email notification.