Questions about Logvana

Straight answers about tracking, billing, and how the app works.
1. What does Logvana track?
2. Is Logvana medical advice?
3. Is there a free plan?
4. Can I cancel anytime?
5. How do I get support?
6. Can I change plans later?
7. How does billing work?
8. What happens after I join the waitlist?