Privacy Policy for Change

Last updated: January 23, 2026

This Privacy Policy describes Our policies and procedures on the collection, use and disclosure of Your information when You use the Service and tells You about Your privacy rights and how the law protects You.

We use Your Personal data to provide and improve the Service. By using the Service, You agree to the collection and use of information in accordance with this Privacy Policy.

Interpretation and Definitions

Interpretation

The words of which the initial letter is capitalized have meanings defined under the following conditions. The following definitions shall have the same meaning regardless of whether they appear in singular or in plural.

Definitions

For the purposes of this Privacy Policy:

Account means a unique account created for You to access our Service or parts of our Service.
Application refers to Change, the software program provided by the Company.
Company (referred to as either "the Company", "We", "Us" or "Our" in this Agreement) refers to DubaiSolve.
Country refers to: United Kingdom
Device means any device that can access the Service such as a computer, a cellphone or a digital tablet.
Personal Data is any information that relates to an identified or identifiable individual.
Health Data refers to information about Your physical health, fitness activities, nutrition, and wellness.
Service refers to the Application.
Service Provider means any natural or legal person who processes the data on behalf of the Company.
Third-party Social Media Service refers to any website or any social network website through which a User can log in or create an account to use the Service.
Usage Data refers to data collected automatically, either generated by the use of the Service or from the Service infrastructure itself.
You means the individual accessing or using the Service, or the company, or other legal entity on behalf of which such individual is accessing or using the Service, as applicable.

Collecting and Using Your Personal Data

Types of Data Collected

Personal Data

While using Our Service, We may ask You to provide Us with or collect certain personally identifiable information. This may include, but is not limited to:

Email address (when registering with email/password or through Google Sign-In)
Name (if provided during registration or through Google Sign-In)
Subscription and Purchase Information (related to Google Play Billing and Apple App Store transactions)
Usage Data (detailed below)

Health and Fitness Data

Change is a health and fitness coaching application. To provide personalized coaching and tracking, we collect the following health-related data:

        Data You Provide Directly:
        Body Measurements: Weight, height, age, gender, body fat percentage
Fitness Goals: Weight loss, muscle gain, or maintenance targets
Nutrition Data: Food logs, meals, calorie intake, macronutrient information
Workout Data: Exercise logs, workout routines, sets, reps, weights
Water Intake: Daily hydration tracking

    

        Data from Health Connect / Apple Health (with Your Permission):
        Activity Recognition: To detect when you're exercising and sync activity data with your
                fitness plan
Active Calories Burned: To track energy expenditure from workouts and adjust calorie
                targets
Distance: To track walking, running, and cycling distances for workout calculations
            
Exercise Sessions: To sync workouts from other fitness apps and wearables
Steps: To track daily step count and progress toward step-based goals
Total Calories Burned: To calculate accurate daily energy expenditure for nutrition
                targets
Sleep Data: To assess recovery, calculate readiness scores, and provide rest
                recommendations
Heart Rate: To track exercise intensity and validate reported effort levels
Resting Heart Rate: To calculate readiness scores and detect overtraining or illness
                patterns

    

Data from Google Calendar (with Your Permission):

If you choose to connect your Google Calendar, we access the following information to help our AI coach assist with your scheduling and planning:

Calendar Events: Event titles, times, dates, and locations from your Google Calendar(s)
Calendar List: Names of your available calendars to let you choose which to sync

How We Use Your Calendar Data:

Display your calendar events alongside your fitness plan in the app's calendar view
Allow our AI coach to consider your schedule when suggesting workout times
Help you avoid scheduling conflicts between personal events and planned workouts
Write planned workouts to your Google Calendar (with your permission)

Storage: Calendar events within a 4-week rolling window are stored in your private Firestore collection (calendar_events/{your_user_id}/items). This data is only accessible to you when logged in.

Limited Use Disclosure: Change's use and transfer to any other app of information received from Google APIs will adhere to Google API Services User Data Policy, including the Limited Use requirements.

Why We Collect Health Data: This health and fitness data is essential for the core functionality of the Change app. Our AI coach uses this information to:

Calculate personalized calorie and macro targets based on your goals
Track your progress toward weight and fitness goals
Provide coaching nudges and recommendations when you're off track
Generate daily readiness scores to optimize training and recovery
Create personalized workout and meal plans

AI Chat Data

When You interact with our AI coaching features:

Text Messages: We collect the text content of messages You send to the AI coach
AI Responses: We store the responses generated by our AI system
Images: If You use photo-based food logging, we process images of meals to identify nutritional content

This data is used to provide personalized coaching responses and improve the AI's ability to assist with your health goals.

YouTube API Services

Change uses YouTube API Services to search and recommend fitness and nutrition videos when you request them in the AI chat. We may temporarily store limited YouTube video metadata (such as video IDs, titles, channel names, thumbnails, and other metadata returned by the YouTube API) as part of your chat history so you can return to previous conversations and video suggestions. We do not download or store video files.

Retention: We store YouTube video metadata for no longer than 30 days. After 30 days, this metadata is automatically deleted or refreshed via a new API request before it is shown again. If you delete your account or request deletion of your data, all associated YouTube-related data will be deleted within 7 days.

By using Change's YouTube features, you agree to be bound by the YouTube Terms of Service.

Our use and transfer to any other app of information received from Google APIs, including YouTube API Services, will adhere to the Google API Services User Data Policy, including the Limited Use requirements. We also refer you to the Google Privacy Policy.

Usage Data

Usage Data is collected automatically when using the Service and may include:

Your Device's Internet Protocol address (IP address)
Device type, operating system, and version
App screens visited and features used
Time and date of visits
Daily chat session counts (for subscription limit tracking)
Crash logs and diagnostic data
Firebase Installation ID for push notifications

Device Storage and Local Data

We store certain information on your device (such as app preferences, cached content, and authentication tokens) to keep the Service running smoothly. If you use a web version of the Service, we may use cookies or local storage for similar purposes.

Information from Third-Party Social Media Services

The Company allows You to create an account and log in to use the Service through Google Sign-In. If You register through Google, We may collect Your name and email address for authentication and account setup.

Use of Your Personal Data

The Company may use Personal Data and Health Data for the following purposes:

To provide and maintain our Service, including AI coaching, progress tracking, and personalized recommendations
To manage Your Account: To manage Your registration and authentication as a user of the Service
To manage Your Subscription: To determine your subscription tier, enforce usage limits, process payments, and manage subscription status
To provide personalized coaching: To analyze your health data and provide tailored nutrition and fitness recommendations
To calculate targets: To compute personalized calorie, macro, and activity goals based on your data
To track progress: To monitor your progress toward goals and adjust recommendations accordingly
To send notifications: To send coaching nudges, reminders, and progress updates (with your permission)
To improve our Service: To analyze usage patterns and improve app functionality
For business transfers: In connection with any merger, sale of Company assets, or acquisition

Sharing Your Personal Information

We may share Your information with the following parties:

Firebase (Google): For authentication, database storage (Firestore), cloud functions, push notifications, and analytics
Google AI / Gemini: For AI-powered coaching responses and food recognition from images
YouTube API Services (Google): To fetch video metadata and recommendations when you request them
Google Play Billing / Apple App Store: To process subscription purchases and manage subscription status
FatSecret API: To search and retrieve nutritional information for food logging

We do not sell Your personal data or health data to third parties.

Data Storage

Your data is stored securely using Firebase Firestore with the following collections:

User profiles and settings
Food logs and nutrition data
Workout logs and exercise history
Weight and biometric history
AI chat session history
Daily progress summaries
Subscription status
Synced calendar events (from Google Calendar and device calendars)

Retention of Your Personal Data

The Company will retain Your Personal Data and Health Data only for as long as is necessary for the purposes set out in this Privacy Policy. We will retain and use Your data to:

Provide the Service while Your account is active
Comply with legal obligations (e.g., financial records for 7 years)
Resolve disputes and enforce agreements

YouTube data retention: Any YouTube API Data stored in chat history (such as video IDs, titles, thumbnails, and channel names) is retained for no longer than 30 days and is deleted or refreshed within that time window.

Account Deletion

You can delete your Change account and all associated data at any time:

Open the Change app
Go to Settings (bottom navigation bar)
Scroll to the bottom and tap Delete Account (red button)
Confirm deletion in the dialog

What gets deleted:

Your profile information (name, email, goals, biometrics)
Your Firebase Authentication account
Your synced Google Calendar data stored in the app
Your AI chat session history and memories
Any YouTube-related data stored in your chat history (video metadata)

What is retained (anonymized):

Logged meals, workouts, and weight entries (no longer linked to your identity)
Transaction records for subscription purchases (required for 7 years for tax/legal compliance)

Timeline: Account deletion is permanent and cannot be undone. Your profile is deleted immediately upon confirmation.

You may also request account deletion by contacting us at dubaisolve@gmail.com.

Transfer of Your Personal Data

Your information, including Personal Data and Health Data, is processed by our Service Providers (like Firebase/Google) which may be located internationally. Your consent to this Privacy Policy followed by Your submission of such information represents Your agreement to that transfer.

The Company will take all steps reasonably necessary to ensure that Your data is treated securely and in accordance with this Privacy Policy.

Security of Your Personal Data

The security of Your Personal Data is important to Us. We use:

HTTPS/TLS encryption for all data in transit
Firebase Security Rules to protect database access
Secure authentication through Firebase Auth
App Check to prevent unauthorized API access

However, no method of transmission over the Internet or electronic storage is 100% secure. While We strive to protect Your data, We cannot guarantee its absolute security.

Children's Privacy

Our Service does not address anyone under the age of 13. We do not knowingly collect personally identifiable information from anyone under the age of 13. If You are a parent or guardian and You are aware that Your child has provided Us with Personal Data, please contact Us.

Links to Other Websites

Our Service may contain links to other websites that are not operated by Us. If You click on a third party link, You will be directed to that third party's site. We strongly advise You to review the Privacy Policy of every site You visit.

Changes to this Privacy Policy

We may update Our 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.

You are advised to review this Privacy Policy periodically for any changes.

Contact Us

If you have any questions about this Privacy Policy, You can contact us:

By email: dubaisolve@gmail.com
By mail: Nikolaj Rybakov, Edinburgh, EH5 1NJ, United Kingdom

This Privacy Policy was last reviewed on January 23, 2026.