Vigo Privacy Policy
Effective Date: March 15, 2026
Vigo is provided by Xu ZhiFeng ("we", "us", or "our"). This Privacy Policy explains how Vigo handles information when you use the app.
1. What Vigo Does
Vigo is a wellness app for light mood, state, and vigor tracking. It is not a medical device, and it does not provide medical diagnosis or treatment advice.
2. Information Vigo May Access
- Health data made available through Apple Health / HealthKit, such as heart rate variability, heart rate, resting heart rate, respiratory rate, wrist temperature deviation, walking asymmetry, and environmental audio exposure
- Subjective inputs you choose to provide in the app, such as calibration sliders or self-reported state
- Basic purchase and entitlement status needed to determine whether premium features are available through the App Store
3. How Vigo Uses Information
- Calculate and display vigor-related scores, trends, and summaries
- Generate on-device wellness insights and suggestions
- Show recent history and tide views
- Determine whether premium subscription features should be unlocked
- Provide customer support if you contact us
4. On-Device Processing
At this time, Vigo is designed to process your health and subjective state data locally on your device. We do not intentionally upload your HealthKit data or subjective wellness records to our own servers.
5. Purchases and App Store Data
Subscriptions and payments are handled by Apple through the App Store. We do not receive your full payment card information. We may receive limited transaction or entitlement information from Apple that is necessary to verify whether premium access is active.
6. Third-Party Services
At the time of this policy, Vigo does not use third-party advertising SDKs, third-party analytics SDKs, or third-party crash-reporting SDKs inside the app.
If this changes in a future version, we will update this Privacy Policy before or when the change takes effect.
7. Data Retention
Data you create in Vigo may remain on your device until you delete the app, clear app data, or remove the related records yourself. Subscription records may also be retained by Apple according to Apple’s own policies.
8. Your Choices
- Deny or revoke Health access at any time in the Apple Health app or iOS Settings
- Delete the app from your device
- Cancel subscriptions through your Apple ID subscription settings
- Contact us to ask questions about this policy
9. Children’s Privacy
Vigo is not intended for children and is not designed as a kids app. We do not knowingly collect personal information from children through our own servers.
10. International Use
If you use Vigo outside your home country or region, local laws may affect your rights and obligations.
11. Changes to This Policy
We may update this Privacy Policy from time to time. The latest version will be made available at the public policy URL for Vigo. The effective date above shows when the current version took effect.
12. Contact
- Xu ZhiFeng
- Email: xu0831@gmail.com