Effective Date: February 26, 2026 |
Last Updated: March 24, 2026
Twin Apex Solutions, LLC ("we," "us," or "our") operates MacroFuel AI
(the "App"). This Privacy Policy explains how we collect, use, disclose,
and safeguard your information when you use our mobile application and
web service. Please read this policy carefully. By using the App, you
agree to the collection and use of information in accordance with this
policy.
1. Information We Collect
1.1 Personal Information You Provide
When you create an account or use the App, you may provide us with:
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Account Information: First name, last name, username,
email address, and password
- Profile Information: Date of birth/age, gender
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Health and Fitness Data: Height, current weight, goal
weight, body fat percentage, daily macro goals (calories, protein,
carbohydrates, fat), meal logs, food intake data, hydration levels,
sleep data, activity/step counts, workout sessions, fasting sessions,
and micronutrient tracking
-
Payment Information: Subscription purchases are
processed through Stripe (web) and RevenueCat/Apple App Store/Google
Play (mobile). We do not store your credit card number, CVV, or full
payment details on our servers.
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User-Generated Content: Posts and interactions within
community Circles, AI content reports
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Profile Photo: Optional profile photo from your device's
photo library, stored securely and only visible to you
1.2 Information Collected Automatically
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Device Pedometer Data: Step count data from your
device's built-in motion sensors (with your permission)
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Photos: Food images you capture or select for
AI-powered nutrition analysis. These images are sent to our servers
for processing and are not stored permanently.
-
Voice Data: Audio recordings for voice-to-text meal
logging (with your permission). Audio is transcribed and then
discarded; raw audio files are not stored.
1.3 Information We Do NOT Collect
- GPS location or geolocation data
- Contact lists or phonebook data
- Phone number or physical address
- Browsing history or data from other apps
- Advertising identifiers or tracking data
2. How We Use Your Information
We use the information we collect to:
- Provide and maintain the App's functionality
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Analyze meals and food items using AI to estimate macronutrient and
calorie content
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Calculate personalized nutrition goals based on your body profile
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Generate AI-powered coaching insights, meal recommendations, and
grocery lists
- Track your health and fitness progress over time
- Enable community features (Circles) for social interaction
- Process subscription payments
- Improve and optimize the App's performance and features
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Send transactional emails such as password reset codes and account
verification
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Communicate with you about your account or changes to our policies
3. Health and Fitness Data
Special Notice Regarding Health Data: MacroFuel AI
collects and processes health-related information including body
measurements, nutritional intake, exercise data, sleep patterns, and
fasting sessions. This data is classified as sensitive personal
information under various privacy laws.
-
Your health and fitness data is used solely to provide you with
personalized nutrition tracking, coaching, and wellness insights
within the App.
-
We do not sell, rent, or share your health data with third parties for
advertising, marketing, or any purpose unrelated to the App's core
functionality.
- Health data is transmitted securely using HTTPS encryption.
-
AI analysis of your meals is performed by Google Gemini AI. Meal
descriptions and images are sent to Google's API for processing.
Google's use of this data is governed by
Google's Privacy Policy.
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MacroFuel AI provides nutritional estimates only. The App is not a
medical device and should not be used as a substitute for professional
medical advice, diagnosis, or treatment.
4. Data Storage and Security
4.1 Where Your Data Is Stored
-
Locally on Your Device: User profiles, preferences,
and cached meal data are stored using on-device storage (AsyncStorage)
for fast access and offline functionality.
-
Cloud Database: Meal logs, workout sessions, fasting
sessions, community posts, and account information are stored in a
secure PostgreSQL database.
-
Payment Data: Managed entirely by Stripe (web) and
RevenueCat/Apple/Google (mobile) in their respective PCI-compliant
infrastructure.
4.2 Security Measures
We implement appropriate technical and organizational measures to
protect your personal information:
- All data transmission uses HTTPS/TLS encryption
- Passwords are securely hashed and never stored in plain text
-
Database access is restricted and protected by authentication
credentials
-
API endpoints for premium features require verified subscription
status
-
Biometric authentication (Face ID/fingerprint) is available for app
access
- Session tokens are used for authenticated requests
While we strive to protect your information, no method of electronic
transmission or storage is 100% secure. We cannot guarantee absolute
security.
5. Third-Party Services
The App uses the following third-party services that may process your
data:
-
Google Gemini AI: Processes meal descriptions, food
photos, and voice transcriptions to provide nutrition analysis.
Subject to
Google's Privacy Policy.
-
Stripe: Processes web subscription payments. Subject to
Stripe's Privacy Policy.
-
RevenueCat: Manages in-app purchase subscriptions on
iOS and Android. Subject to
RevenueCat's Privacy Policy.
-
Apple App Store / Google Play: Processes in-app
purchase payments on their respective platforms. Subject to
Apple's and
Google's
Privacy Policies.
-
Open Food Facts: Provides nutrition data for
barcode-scanned products. This is a public, open-source database. No
personal data is sent to this service.
-
Gmail (Google): Used to send transactional emails
such as password reset codes. Only your email address is used for
delivery. We do not use your email address for marketing or promotional
purposes.
We do not use any analytics, advertising, or tracking services (e.g.,
Google Analytics, Facebook SDK, AdMob).
6. Data Retention
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Meal Logs: Stored indefinitely to provide you with a
complete nutrition history, unless you request deletion.
-
Workout Sessions: Stored indefinitely for your
fitness tracking history, unless you request deletion.
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Fasting Sessions: Stored indefinitely for your
wellness history, unless you request deletion.
-
Account Information: Retained for as long as your
account is active.
-
Community Posts: Retained for as long as the
associated Circle exists or until you request deletion.
-
Photos and Voice: Food photos are processed for AI
analysis and are not permanently stored on our servers. Voice
recordings are transcribed and immediately discarded.
7. Your Rights and Choices
7.1 Access and Portability
You have the right to request a copy of all personal data we hold about
you. Contact us at the email below to submit a data access request.
7.2 Data Deletion
You have the right to request deletion of your personal data at any
time. To request account and data deletion, contact us at
Macrologpro@gmail.com. We will process deletion
requests within 30 days and will:
- Delete your account information and profile data
-
Delete all stored meal logs, workout sessions, and fasting sessions
- Remove your posts from community Circles
- Cancel any active subscriptions
Some data may be retained as required by law or for legitimate
business purposes (e.g., transaction records for tax compliance).
7.3 Correction
You can update your profile information directly within the App at any
time. For corrections to other data, contact us.
7.4 Consent Withdrawal
You may withdraw consent for data collection by discontinuing use of the
App and requesting account deletion. Withdrawing consent for device
permissions (camera, microphone) can be done through your device's
settings.
8. Children's Privacy (COPPA Compliance)
MacroFuel AI is not intended for use by children under the age of 13. We
do not knowingly collect personal information from children under 13.
The App includes age validation during account creation. If we discover
that we have collected data from a child under 13, we will delete it
immediately. If you believe a child under 13 has provided us with
personal information, please contact us.
9. California Residents (CCPA/CPRA)
If you are a California resident, you have additional rights under the
California Consumer Privacy Act (CCPA) as amended by the California
Privacy Rights Act (CPRA):
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Right to Know: You may request details about the
personal information we collect, use, and disclose.
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Right to Delete: You may request deletion of your
personal information.
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Right to Opt-Out of Sale: We do not sell your
personal information to third parties.
-
Right to Non-Discrimination: We will not discriminate
against you for exercising your privacy rights.
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Right to Correct: You may request correction of
inaccurate personal information.
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Right to Limit Use of Sensitive Personal Information:
You may limit our use of your sensitive personal information (health
data) to purposes necessary for providing the App's services.
To exercise these rights, contact us at
Macrologpro@gmail.com. We will respond within 45 days.
10. European Users (GDPR)
If you are located in the European Economic Area (EEA), United Kingdom,
or Switzerland, the following applies:
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Legal Basis: We process your data based on your
consent (account creation and use of the App) and our legitimate
interest in providing and improving the service.
-
Data Transfer: Your data may be transferred to and
processed in the United States, where our servers are located. We
ensure appropriate safeguards are in place.
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Your Rights: You have the right to access, rectify,
erase, restrict processing, data portability, and object to processing
of your personal data.
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Supervisory Authority: You have the right to lodge a
complaint with your local data protection authority.
11. CalOPPA Compliance
In accordance with the California Online Privacy Protection Act
(CalOPPA):
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This Privacy Policy is accessible from within the App and on our
public website.
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We will notify users of material changes to this policy by updating
the "Last Updated" date.
-
Users can review and change their personal information by logging into
their account.
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We honor Do Not Track signals — the App does not track users across
third-party websites.
12. AI-Generated Content
MacroFuel AI uses artificial intelligence to generate nutritional
estimates, coaching advice, meal suggestions, and other content. Users
can report inaccurate or offensive AI-generated content through the
in-app reporting feature. All reports are reviewed by our team. AI
content is provided for informational purposes only and should not
replace professional medical or nutritional advice.
13. Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you
of any material changes by updating the "Last Updated" date at the top
of this page. Your continued use of the App after changes are posted
constitutes acceptance of the revised policy.
14. Contact Us
If you have questions about this Privacy Policy, wish to exercise your
data rights, or need to report a concern, please contact us: