Your health data stays on your iPhone and Apple Watch
Here is what leaves them and why, in plain words. The privacy policy has the legal text.
What stays and what’s sent
Stays on your devices
- Your log: attacks, stages, medicines, what helped and your notes
- Your Apple Health data: sleep, cycle, heart rate and heart rate variability
- What you track on Apple WatchSaved on the watch, synced with your iPhone when it’s back
- No account: nothing to register, and nothing to delete on our side
Sent, and why
- Your location, to look up the weather and air quality near youNot saved or kept as a history
- Usage events, crash logs and purchase recordsTo the processors listed below
- Attribution signals from your deviceNever health data; the advertising identifier only if you allow tracking
Your questions, answered from the policy
Each answer links the section of the privacy policy it comes from.
| Question | Short answer | Privacy policy |
|---|---|---|
| What’s collected | ||
| What does Relief collect? | Your log and Apple Health data stay on your iPhone and Apple Watch. Usage events, crash logs and purchase records go to the processors below. | Section 3 |
| What comes from Apple Health? | Sleep, cycle, heart rate and heart rate variability, read only with your permission and processed on the iPhone. Relief can write the episodes you log to Apple Health if you turn that on. | Section 3.2 |
| What does Apple Watch keep? | What you track and the doses you take save on the watch and sync with your iPhone when it’s back, and then the watch forgets them. It keeps a copy of what your iPhone sends: today’s forecast, your medicines and symptoms, what helps you, and your current or last attack. It reads nothing from Apple Health and sends nothing except to your iPhone. Always On can hide your stage and score. | Section 3 |
| What stays on my iPhone and Apple Watch, and what’s sent? | Your log and Apple Health data are never sent. Your location is sent for the weather lookup only. Usage events, crash logs, purchase records and attribution signals go to the processors in section 7. | Section 5 |
| Your location | ||
| Why does Relief need my location? | To look up the weather and air quality near you. | Section 4 |
| Is my precise location stored? | No. It’s sent for the lookup, then not saved or kept as a history. While Using the App is enough. | Section 4 |
| Sharing, keeping and security | ||
| Is my data used for ads, attribution or training models? | Relief doesn’t sell your data, and your personal data doesn’t train machine-learning models. Attribution uses device signals, never health data. The advertising identifier reaches AppsFlyer only if you allow tracking. | Sections 6, 3.3, 7 |
| Who processes data? | Amplitude, Firebase Analytics and Crashlytics, AppsFlyer, RevenueCat, Apple, a cloud host for weather lookups, and Vercel and Webflow for this site. | Section 7 |
| How long is it kept? | Health data stays on your device until you delete it. Analytics 24 months; crash logs 90 days; attribution up to 24 months; subscription records for the subscription plus up to 7 years; support email 24 months after the ticket closes. | Section 8 |
| Is it encrypted? | TLS 1.2 or higher in transit; iOS Data Protection on the iPhone; processors encrypt at rest (AES-256 or equivalent). | Section 9 |
| Is my data used for research? | Only aggregated statistics from pseudonymous analytics events, never your health records. No individual data goes to research partners. | Section 12 |
| What if there’s a breach? | The supervisory authority within 72 hours where feasible, and you without undue delay when the risk to you is high. | Section 13 |
| Your choices | ||
| How do I download my data? | With Premium, in Settings › Export / Reports. | Section 10.1 |
| How do I delete my data? | Delete the app; on Android, Settings › Clear all data works too. See Delete my data. | Section 10.2 |
| How do I delete my account? | There isn’t one. | Section 10.3 |
| What happens when I cancel Premium? | Nothing is deleted; your data stays on your device, and only Premium features stop. | Section 11 |
| Who do I contact about privacy or security? | support@exhalo.app, with the subject “SECURITY” for security reports. Replies within one month. | Section 15 |
Delete everything, any time
Delete the app, and everything it keeps on your phone goes with it; on Android, Settings › Clear all data works too. Episodes Relief wrote to Apple Health are removed in the Health app. For records our processors hold, email support@exhalo.app.
Delete my data, step by step