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Privacy Policy

Last Updated: December 15, 2025

1. Introduction

Welcome to Tinu ("we," "our," or "us"). We are committed to protecting your privacy and ensuring you have a positive experience on our habit-tracking platform. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application and related services (collectively, the "Service").

2. Information We Collect

2.1 Personal Information

We may collect personal information that you voluntarily provide to us when you register for the Service, including:

  • Account Information: Email address, username, and password.
  • Profile Information: Custom names and personality preferences for your AI companion.

2.2 Usage Data

We automatically collect certain information when you access or use the Service, including:

  • Habit Data: Titles, descriptions, schedules, and completion logs of the habits you track.
  • Interaction Data: Your interactions with the AI companion (Tinu), including streak data and emotional states triggered.
  • Device Information: Information about your mobile device, such as device model, operating system, and unique device identifiers.

3. How We Use Your Information

We use the information we collect to:

  • Provide, maintain, and improve the Service.
  • Create and manage your account.
  • Track your habit progress and calculate streaks.
  • Generate AI Content: We use your habit data and interaction history to generate personalized messages and character images via our AI companion features.
  • Send you technical notices, updates, and support messages.
  • Respond to your comments and questions.

4. Third-Party Services and AI Processing

To provide our AI companion features, we utilize third-party artificial intelligence services.

  • Google Gemini API: We use Google's Gemini API to generate character images and text responses. When you interact with the AI companion, certain non-identifiable context (such as your current streak or habit completion status) may be processed by Google to generate the appropriate response.
  • We do not sell your personal data to third parties.

5. Data Security

We implement appropriate technical and organizational measures to protect your personal information against unauthorized access, alteration, disclosure, or destruction. However, please be aware that no method of transmission over the internet or electronic storage is 100% secure.

6. Your Rights

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

  • Access the personal information we hold about you.
  • Request correction of inaccurate data.
  • Request deletion of your account and data.
  • Object to the processing of your data.

To exercise these rights, please contact us at hello@tinu.site.

7. Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy on this page and updating the "Last Updated" date.