Privacy Policy

Capitalized terms have the meanings assigned to them in this Policy.

• Account means the unique profile created for You to access the Service.
• Application means the mobile application titled "Kcalytix."
• Company, We, Us, or Our means Macrolytix.
• Device means any device used to access the Service.
• Personal Data means information that identifies or can reasonably be linked to an individual, including identifiable health information.
• Health Data means information You provide relating to Your physical characteristics, health, nutrition, goals, or activity — including weight, height, food logs, health attributes, body composition, and progress photos.
• Usage Data means data collected automatically through use of the Service, including device information, activity logs, and analytics data.
• User Content means photos, images, text, food entries, metadata, or other inputs You upload or submit through the Service.
• You means the individual using the Service or the organization on whose behalf the Service is used.

We may collect the following Personal Data when You create an Account or use the Service:

• First name and last name
• Email address
• Optional profile details You choose to provide

To provide calorie estimation and nutrition tracking features, We collect:

• Weight and height
• Food logs and food data (including items photographed, scanned, or logged manually)
• Progress photos
• Nutrition goals
• Any other health information You choose to enter into the Application

User Content includes:

• Photos of food uploaded for calorie analysis
• Progress photos
• Text entries and logs

We automatically collect:

• Device type, operating system, and app version
• IP address
• Timestamps and activity logs
• Crash data
• Feature usage analytics
• Performance data

The Service may use cookies, tags, mobile identifiers, and similar technologies for analytics, functionality, and security purposes.

• Food identification and calorie estimation
• Nutrition tracking and personalized recommendations
• Machine learning model improvement
• Account management
• Service stability and debugging

We use food images and related User Content — in strictly anonymized or aggregated form, not linked to Your identity — to train and improve AI models and enhance the accuracy of calorie estimates.

We may contact You about updates, new features, service-related notifications, and customer support responses.

We may send You promotional communications. You may opt out at any time.

We may use Your data to detect or prevent fraud, comply with legal obligations, and protect Our rights.

If We engage in a merger, acquisition, or asset sale, Your information may be transferred as permitted by applicable law.

Where applicable under privacy law (including GDPR), We rely on the following legal bases:

• Consent
• Contract performance
• Legitimate interests (e.g., service improvement and security)
• Legal obligations

With vendors who support the Service, such as cloud hosting providers, analytics providers, and customer support tools.

As part of any corporate transactions, such as a merger or acquisition.

With law enforcement or regulators when legally required.

Where You expressly direct Us to share Your information.

We may share aggregated or non-identifiable data for analytics, research, or business purposes. We do not sell Your Personal Data.

By submitting User Content, You grant Macrolytix a worldwide, royalty-free, sublicensable license to use, store, process, reproduce, modify, and create derivative works from Your User Content solely to operate, maintain, and improve the Service — including for internal AI model training.

We retain:

• Personal Data for as long as Your Account is active or as necessary for the purposes described in this Policy.
• Health Data until You delete it or delete Your Account.
• Usage Data for a shorter period unless needed for security or legal purposes.

Your information may be transferred to and processed on servers outside Your jurisdiction. We implement appropriate safeguards as required by applicable law, including standard contractual clauses for international data transfers where required.

Depending on Your jurisdiction, You may have the right to:

• Access Your Personal Data
• Correct inaccurate data
• Delete Personal Data
• Export Your data
• Withdraw consent
• Object to processing
• Request restriction of processing

You may request deletion of Your Account, progress photos, food logs, and profile data. Some data may persist where legally required to be retained.

We implement administrative, technical, and physical safeguards designed to protect Your data against unauthorized access, alteration, disclosure, or destruction. However, no online system is entirely secure, and We cannot guarantee absolute security.

The Service is not intended for children under the age of 13. We do not knowingly collect personal information from children under 13. If We become aware that We have collected Personal Data from a child under 13, We will take steps to delete that information promptly.

The Service may contain links to third-party websites or services. Their privacy practices are their own. We do not control or endorse third-party services and are not responsible for their privacy policies or content.

We may update this Policy from time to time. Updates become effective when posted. For material changes, We may notify You by email or through the Application. We encourage You to review this Policy periodically.

If You have questions, concerns, or requests related to this Privacy Policy, You may contact Us: