Last updated: August 19, 2026
Second Wind is a fitness app and website (secondwindapp.com) that builds you a personal 30-day plan of gentle guided sessions and helps you track food, water and weight. To do that it needs some information about your body — and information about your body deserves a policy written in plain language. This is it.
The short version. We collect what you tell us in the quiz and what you log in the app, and we use it for one thing: running your plan. We show no ads, we sell no data, we run no third-party analytics or tracking, and meal photos are analysed in real time and never stored. You can have everything deleted by emailing support@secondwindapp.com.
Your goal, preferred activity type, sex, age range, height, weight, target weight, fitness level, how active your day is, how often and when you want to exercise, what tends to get in the way — and, so the plan can avoid movements that could hurt you, any limitations you choose to share (for example sensitive knees or back, balance concerns, shortness of breath, or pregnancy). Every question can be skipped.
Completed sessions, weight entries, water, and meals — including calorie and macro estimates from the food scanner.
When you photograph a meal, the photo is sent securely to our server, analysed in real time to estimate calories, protein, carbohydrates and fat, and discarded. We never store your meal photos — not on our servers and not in our database; only the resulting numbers are saved to your food log. No name, email or health information is attached to the photo when it is analysed.
The quiz and your first sessions work without an account. If you create one, we collect your email address and a password (stored only as a secure hash), and optionally a display name.
If you subscribe, we record your subscription status (which product, whether it is active, when it expires). Payment itself is handled by Apple — we never see your card details. Purchases made on our website are processed by Stripe, which handles your card details under its own privacy policy.
That is the complete list. We do not show advertising, we do not sell or rent your data to anyone, we do not use third-party analytics or advertising SDKs, and we do not track you across other apps and websites.
We use a small number of service providers to run Second Wind. Each receives only what its job requires:
| Service | Job | What it handles |
|---|---|---|
| Supabase | Database, accounts and hosting | Your account and everything described above, encrypted in transit and at rest |
| Anthropic | Meal photo analysis | The photo only, processed in real time; not used to train AI models; no identity attached |
| Adapty | Subscription management | An anonymous user ID, your subscription events, and standard device identifiers its SDK collects for receipt validation |
| Apple | App Store payments | Your purchase, under Apple's own terms |
| Stripe | Payments on our website | Your email and card details, under Stripe's own terms |
| Google Fonts | Typefaces on this website (not the app) | Your IP address, as with any web resource request |
We keep your data for as long as your account exists, so your history and plan keep working. To delete your account and everything attached to it — quiz answers, plans, session history, food, water and weight logs — open the app and choose You → Delete account and data. Deletion is immediate and permanent. If you no longer have the app, email support@secondwindapp.com from the address on the account and we will do it within 30 days.
All data travels over encrypted connections (TLS). On your device, your session is stored in the operating system's secure keychain. Passwords are stored only as secure hashes.
You can ask us at any time to show you the data we hold about you, correct it, export it, or delete it. Depending on where you live (for example under the GDPR in Europe), these rights are backed by law — but we honour them for everyone, by email, without a form.
Second Wind is not directed at children and is not intended for anyone under 16. We do not knowingly collect data from children.
If we change this policy, the new version appears on this page with a new date at the top. If a change meaningfully affects how your data is handled, we will tell you in the app before it takes effect.
Questions, requests, complaints: support@secondwindapp.com.