Privacy Policy for Saynest Lab

Last updated: June 10, 2025

1. Introduction

This Privacy Policy explains how Saynest Lab (operated by Andrii Mysliuk as an individual entrepreneur, registered in Ukraine) collects, uses, and protects your personal data when you use our English speaking practice platform (“Service”).

2. Data We Collect

We collect the following data:

  • Text chat history with the AI interviewer
  • Audio recordings of your spoken responses
  • Session metadata (scenario, confidence level, errors, time, progress)
  • Account identifiers (email address, login via Google, etc.)

3. Purpose of Data Collection

We process this data to:

  • Track your progress and adapt scenarios to your needs
  • Provide you with feedback and insights
  • Display your interaction history
  • Improve the quality and security of the platform

We do not use your data for AI training unless you explicitly opt in to that feature (not currently enabled).

4. Data Storage and Processing

Text data is stored in MongoDB databases hosted on Google Cloud (Europe-west1 region, Belgium). Audio recordings are stored in Google Cloud Storage and accessible via temporary links (up to 5 minutes). All transmissions are secured and encrypted.

5. Data Sharing

We may share your data with:

  • OpenAI (for generating responses and analyzing text)
  • Google Cloud (for storage and data processing)
  • Paddle (for payment processing, once connected)

6. Data Retention

Session history (text and audio) is stored until you delete it manually. If you don’t complete a session (no progress saved), data is deleted automatically within a few hours.

7. Your Rights

At any time, you can:

  • Delete individual sessions
  • Delete your entire interaction history

You can manage these settings in your user profile.

8. Analytics and Marketing

We use Google Analytics and Hotjar to understand how our Service is used and to improve it. We do not currently use your data for marketing communications, but we may offer updates or announcements in the future.

9. Data Location

All data is processed and stored in Google Cloud infrastructure in the EU (Belgium).

10. Contact

For questions about this Privacy Policy or data handling, please contact: saynest.labs@gmail.com

11. Changes

We may update this Policy from time to time. If significant changes occur, we’ll do our best to notify you. Continued use of the Service after changes means you agree to the updated terms.