At Tallzo, your privacy matters. This Privacy Policy explains what information we collect, how we use it, and your rights regarding your personal data. By using Tallzo, you agree to the practices described below.
1. Information We Collect
We collect the following information to power your personalized experience:
- Height – to track your growth over time
- Weight – to monitor physical development
- Age – to tailor recommendations to your stage of growth
- Daily habits – sleep patterns, activity levels, and lifestyle inputs you provide
- Email address – for account creation, authentication, and important notices
We do not collect sensitive data beyond what is listed above without your explicit consent.
2. How We Use Your Data
The data you provide is used exclusively to improve your in-app experience:
- Personalized recommendations – nutrition tips, sleep advice, and exercise guidance tailored to your profile
- Progress tracking – visualizing your height, weight, and habit trends over time
- AI-powered food insights – analyzing meals and suggesting growth-supporting foods
- Account management – authenticating your identity and maintaining your subscription
We do not sell your personal data to third parties. We do not use your data for advertising purposes.
3. Third-Party Services
Tallzo relies on trusted third-party providers to deliver its features securely and reliably:
- Supabase – handles user authentication and secure cloud storage of your profile data
- RevenueCat – manages subscription billing and in-app purchase verification
- Railway – powers our food AI backend that processes meal data and generates nutritional recommendations
Each provider operates under their own privacy policies and industry-standard data protection practices. We share only the minimum data necessary for each service to function.
4. Data Security
We take the security of your data seriously. Measures we have in place include:
- Encrypted data transmission (HTTPS/TLS) for all communications
- Secure cloud infrastructure with access controls and monitoring
- Authentication managed through Supabase with industry-standard protocols
- Limited internal access – only essential team members can access user data
No system is 100% secure, but we are committed to continuously improving our security practices to protect your information.
5. Children's Privacy
Tallzo is designed for teenagers aged 13–18. We recognize the importance of protecting younger users and take special care with data collected from minors.
- We do not knowingly collect data from children under 13
- Users under 18 should have parental awareness and, where required by law, parental consent before using the app
- If you believe a child under 13 has provided us data, please contact us immediately at hello@tallzo.app and we will promptly delete it
6. Your Rights
You have full control over your personal data. At any time, you may:
- Access your data – request a summary of the information we hold about you
- Delete your data – request permanent deletion of your account and all associated data
- Export your data – receive a copy of your data in a portable format
- Correct your data – update inaccurate information directly in the app or by contacting us
- Withdraw consent – stop using Tallzo and request data removal at any time
To exercise any of these rights, contact us at hello@tallzo.app. We will respond within 30 days.
7. Contact Us
If you have questions, concerns, or requests regarding this Privacy Policy or your data, please reach out:
Email: hello@tallzo.app
We're committed to addressing your privacy concerns promptly and transparently.