Terms of Service

Effective from: May 2026

1. Acceptance of Terms

By downloading, installing, or using CalDietAI ("the App"), you agree to be bound by these Terms of Service ("Terms"). If you do not agree to these Terms, please do not use the App.

These Terms constitute a legally binding agreement between you ("User," "you") and the developer of CalDietAI ("we," "us," "our").

2. Description of Service

CalDietAI is a wellness and lifestyle tracking application that provides the following features:

• AI-Powered Food Scanning: Take photos of meals to receive estimated nutritional information using artificial intelligence. Results are approximate and labeled as "~AI estimate."
• Manual Food Logging: Search and log food items manually from a comprehensive database, including barcode scanning.
• Calorie & Macro Tracking: Track daily calorie intake and macronutrient distribution (protein, carbohydrates, fat).
• Weight Tracking: Log daily weight entries and view trend charts over time.
• Estimated Body Metrics: Calculate estimated body composition metrics (BMI, body fat percentage, BMR, TDEE, etc.) using published scientific formulas based on user-entered measurements.
• Water Intake Tracking: Monitor daily water consumption toward a customizable goal.
• AI Coach: Receive AI-generated nutrition suggestions and meal planning recommendations (Premium feature). Powered by AI — not a real nutritionist or medical professional.
• Progress Reports: View charts and analytics of your nutrition and wellness journey.

3. Account Registration

To use CalDietAI, you must create an account using one of the supported sign-in methods:

• Google Sign-In (available on all platforms)
• Apple Sign-In (available on iOS)

By creating an account, you agree that:

• You are at least 13 years of age. If you are under 18, you must have parental or guardian consent.
• The information you provide during registration is accurate and current.
• You are responsible for maintaining the security of your account credentials and any activity under your account.
• You will notify us immediately of any unauthorized use of your account.

4. Subscription and Payments

4.1 Service Tiers

CalDietAI offers the following subscription tiers:

• Free: Basic food logging, weight tracking, water tracking, limited AI scans per day, local data storage.
• Premium: Increased AI scan quota, AI Coach access, advanced charts and analytics, cloud data synchronization.
• Pro: Full AI scan access, all Premium features, priority AI processing, advanced features.

4.2 Billing and Renewal

• Subscriptions are billed through the Apple App Store or Google Play Store, depending on your platform.
• Subscriptions automatically renew at the end of each billing period (monthly or yearly) unless cancelled at least 24 hours before the renewal date.
• Prices are displayed in your local currency and may vary by region. Applicable taxes may apply.
• Free trial periods, if offered, will be clearly stated at the time of subscription. Unused portions of a free trial are forfeited upon purchasing a subscription.

4.3 Cancellation and Refunds

• You may cancel your subscription at any time through your device's subscription management settings (App Store or Google Play).
• Cancellation takes effect at the end of the current billing period. You retain access to Premium/Pro features until that date.
• Refund requests are handled by Apple or Google in accordance with their respective refund policies.
• A "Restore Purchases" option is available in the App settings to recover previously purchased subscriptions on new devices.

5. AI Features and Disclaimers

5.1 AI Food Scanning

• AI food scanning uses artificial intelligence to estimate the nutritional content of photographed meals.
• Results are clearly labeled as "~AI estimate" and may not be fully accurate. Actual nutritional values can vary based on portion size, preparation method, ingredients, and other factors.
• Meal images may be temporarily sent to cloud AI services for processing. Images are not stored on our servers after analysis is complete.
• A consent modal will be displayed before your first AI scan to explain how your data is processed.

5.2 AI Coach

• The AI Coach provides automated nutrition suggestions and meal planning recommendations.
• The AI Coach is powered by artificial intelligence and is not a real nutritionist, dietitian, or medical professional.
• AI Coach suggestions are for general wellness guidance only and should not be treated as medical or dietary prescriptions.
• Users with medical conditions, food allergies, eating disorders, or special dietary needs should consult a qualified healthcare professional.

5.3 Estimated Body Metrics

• Body composition estimates (body fat percentage, BMI, BMR, TDEE, metabolic age, lean body mass, body water percentage, visceral fat risk) are calculated using published scientific formulas based on user-entered measurements (tape measure, scale).
• These are estimates only, not clinical measurements. For accurate body composition analysis, professional devices (DEXA, BIA) and medical consultation are recommended.
• Formula sources include: US Navy Method (Hodgdon & Beckett, 1984), WHO BMI standard, Mifflin-St Jeor equation (Mifflin et al., 1990), Watson Formula (Watson et al., 1980), and Waist-to-Height Ratio (Ashwell & Hsieh, 2005).

6. Acceptable Use

You agree not to:

• Use the App for any illegal or unauthorized purpose.
• Attempt to reverse engineer, decompile, or disassemble the App.
• Share your account credentials with others or allow others to access your account.
• Distribute malware, viruses, or any harmful code through the App.
• Attempt to gain unauthorized access to other users' data or our systems.
• Use the App to harass, abuse, or harm other individuals.
• Use automated systems (bots, scrapers) to access the App's services beyond intended use.
• Circumvent any security measures, rate limits, or access controls implemented in the App.

7. Content and Data

• You retain ownership of any content you create within the App (food logs, weight entries, meal photos, custom recipes).
• By using the App, you grant us a limited, non-exclusive license to process your data solely for the purpose of delivering and improving our services.
• You are responsible for maintaining backups of your data. While we implement reasonable safeguards, we cannot guarantee against data loss.
• Nutritional data in our food database is sourced from USDA, OpenFoodFacts, and other public databases. While we strive for accuracy, we do not guarantee the completeness or accuracy of third-party nutritional information.

8. Privacy and Data Protection

Your use of the App is also governed by our Privacy Policy, which details how we collect, use, store, and protect your personal information. By using the App, you consent to the data practices described in the Privacy Policy.

We comply with applicable data protection regulations including, but not limited to:

• GDPR (General Data Protection Regulation) for EU users
• CCPA (California Consumer Privacy Act) for California residents
• Vietnam Personal Data Protection Law 91/2025 and Decree 13/2023
• PIPA (South Korea), PDPA (Thailand, Malaysia), APPI (Japan)

9. Disclaimers

• The App is provided "as is" and "as available" without warranties of any kind, express or implied.
• We do not guarantee uninterrupted, error-free, or secure access to the App at all times.
• Nutritional estimates, AI scan results, body metric calculations, and AI Coach suggestions are approximations and should not be relied upon as the sole basis for dietary, health, or medical decisions.
• We are not responsible for any health outcomes resulting from the use of estimates or suggestions provided by the App.
• Third-party food database information may contain inaccuracies. Users should verify nutritional data for critical dietary needs.

10. Limitation of Liability

To the maximum extent permitted by applicable law:

• Our total liability to you for any claims arising from or related to the use of the App shall not exceed the amount you paid for the App's subscription services in the 12 months preceding the claim.
• We shall not be liable for any indirect, incidental, special, consequential, or punitive damages, including loss of data, revenue, or health-related outcomes.
• We are not liable for any actions taken based on AI-generated estimates, nutritional data, or wellness suggestions provided by the App.

11. Termination

• You may delete your account at any time through the App's settings (Profile → Settings → Delete Account) or by contacting us via email.
• We reserve the right to suspend or terminate your account if you violate these Terms, engage in fraudulent activity, fail to pay subscription fees, or remain inactive for more than 12 months.
• Upon termination, your data will be deleted in accordance with our Privacy Policy and applicable data retention requirements.

12. Governing Law

These Terms shall be governed by and construed in accordance with the laws applicable to your jurisdiction:

• Vietnam: Civil Code 2015, Consumer Protection Law 2010, Personal Data Protection Law 91/2025, Decree 13/2023/NĐ-CP.
• United States: Applicable state and federal laws.
• European Union: EU Digital Services Act and applicable member state laws.

13. Changes to Terms

We may update these Terms from time to time. When material changes are made:

• We will notify you through the App or via email at least 30 days before the changes take effect.
• Continued use of the App after the effective date constitutes acceptance of the updated Terms.
• If you do not agree with the updated Terms, you may discontinue using the App and delete your account.

14. Wellness Use Acknowledgment

15. Contact Information