1. Who We Are
ZeroToHero ("we", "us", "our") operates the website zerotoherofit.com and the ZeroToHero application. We provide AI-powered meal tracking and AI-powered meal feedback and weight loss tracking services.
If you have any questions about this Privacy Policy, contact us at: support@zerotoherofit.com
2. What Data We Collect
We collect only the minimum data necessary to provide our service:
- Account information — your name and email address when you sign up
- Health goals — your current weight, goal weight, and calorie targets that you provide during onboarding
- Meal logs — the meal descriptions you enter and the AI analysis results
- Weight logs — weight entries you log over time to track your progress
- Payment information — handled entirely by Stripe. We never see or store your full credit card number
- Usage data — basic information about how you use the app to help us improve it
3. How We Use Your Data
Your data is used for one purpose and one purpose only: to make ZeroToHero work for you.
Specifically we use your data to:
- Provide personalized AI meal analysis and goal-based guidance
- Display your progress, streaks, and milestones in the app
- Calculate your daily calorie and macro targets
- Send you account-related emails such as email verification and billing receipts
- Process your subscription payment through Stripe
- Provide customer support when you contact us
That is it. We do not use your data for anything else.
4. What We Will Never Do
We make the following absolute commitments to you:
- We will NEVER sell your personal data to any third party under any circumstances
- We will NEVER share your data with advertisers or allow your data to be used for advertising purposes
- We will NEVER use your health data to train AI models or for any research purpose without your explicit written consent
- We will NEVER send you marketing emails from third parties or share your email with anyone outside ZeroToHero
- We will NEVER rent or lease your data to any individual, company, or organization
- We will NEVER monetize your personal information in any way other than providing you with the ZeroToHero service you pay for
5. Third Parties We Work With
We work with a small number of trusted service providers strictly to operate ZeroToHero:
- Supabase — secure database and authentication hosting. Your data is encrypted at rest and in transit
- Stripe — payment processing. They handle all card data. We never see your full card number
- Anthropic — AI analysis of your meal descriptions. Meal data sent for analysis is not stored or used to train their models under our agreement
- GitHub Pages -- website hosting
None of these providers are permitted to use your data for their own purposes. They process your data solely to provide their service to us.
5a. Artificial Intelligence Data Usage
Zero to Hero Fit uses artificial intelligence to power its core features. This section specifically discloses how your data interacts with AI services to meet Apple App Store and Google Play Store requirements.
What Data Is Sent to the AI Service
When you use AI-powered features, the following data may be transmitted to our AI provider:
- Meal descriptions — the plain-English descriptions you type when logging a meal
- Restaurant queries — the restaurant name and your meal preferences when using the Restaurant Advisor
- Dietary preferences — your selected diet type (e.g. keto, vegan, anti-inflammatory, intermittent fasting)
- Nutritional context — your daily calorie target, macros consumed, and remaining calories for the day
- Health goals — your weight loss goal and calorie targets to personalize AI responses
- Meal plan preferences — your dietary restrictions and plan duration when generating meal plans
- Photo data — if you use photo meal logging, the image of your meal is sent for analysis
- Coaching questions — messages you type in the AI Coach chat interface
We do not send your name, email address, payment information, or account credentials to the AI service.
Which Third-Party AI Provider Receives the Data
All AI features in Zero to Hero Fit are powered by Anthropic, PBC, located at 548 Market St, PMB 90375, San Francisco, California 94104.
- AI Model: Claude (claude-sonnet-4-6)
- Anthropic Privacy Policy: anthropic.com/privacy
Why the Data Is Sent
Your data is sent to Anthropic's Claude AI to:
- Analyze meals you describe and provide an instant nutritional grade with macro breakdown
- Identify food items and estimate nutritional content from photos you upload
- Generate personalized meal plans with recipes tailored to your calorie targets and dietary preferences
- Provide ranked menu recommendations at specific restaurants based on your remaining daily calories
- Answer nutrition coaching questions with personalized, goal-aware responses
How That Data Is Used and Protected
- All data sent to Anthropic is encrypted using HTTPS/TLS in transit
- Under our agreement with Anthropic, data submitted through the API is not used to train or improve Anthropic’s AI models
- Anthropic does not store your meal descriptions or coaching conversations beyond what is necessary to process your request in real time
- Anthropic does not sell data submitted through their API
- We send only the context necessary to generate a useful AI response — never more than required
6. Data Security
We take the security of your data seriously:
- All data is encrypted in transit using HTTPS/TLS
- All data is encrypted at rest in our database
- Passwords are hashed and never stored in plain text
- Payment data is handled entirely by Stripe and never touches our servers
- Access to your data is restricted to only what is needed to provide the service
7. Your Rights
You have full control over your data:
- Access — you can view all your data at any time within the app
- Correction — you can update your personal information in Settings at any time
- Deletion — you can request complete deletion of your account and all associated data by emailing support@zerotoherofit.com
- Export — you can request a copy of all your data by emailing support@zerotoherofit.com
- Cancellation — you can cancel your subscription at any time from the Billing page with no questions asked
We will respond to all data requests within 30 days.
8. Data Retention
We retain your data for as long as your account is active. If you delete your account we will permanently delete all your personal data, meal logs, weight logs, and health information within 30 days.
We may retain anonymized, non-identifiable aggregate data such as total number of meals logged for statistical purposes. This data cannot be linked back to you in any way.
9. Children's Privacy
ZeroToHero is not intended for use by anyone under the age of 18. We do not knowingly collect personal information from minors. If you believe a minor has created an account please contact us at support@zerotoherofit.com and we will delete the account immediately.
10. Changes To This Policy
If we make any material changes to this Privacy Policy we will notify you by email and update the "Last updated" date at the top of this page. We will never make changes that reduce your privacy protections without giving you the opportunity to review and accept them.
11. Contact Us
If you have any questions, concerns, or requests regarding your privacy or this policy please contact us:
- Email: support@zerotoherofit.com
- Website: zerotoherofit.com
- Response time: within 48 hours