Author: OTAI Technologies | Last updated: October 21, 2026
Your data, your control
- Your logs are saved on your iPhone and backed up to your account.
- Symptoms, moods, notes and intimacy logs are encrypted on your phone before they're backed up.
- In the Privacy Vault you can pause cloud sync, see network activity, and delete your account.
- You can lock the app with Face ID.
- We never sell your health data or use it for advertising.
What may be processed, and why
| Area | What may be processed | Why |
|---|---|---|
| Health and fitness | Cycle logs, symptoms, moods, fertility logs such as BBT and LH tests, pregnancy notes, medication notes and other notes you add. | Tracking, reminders, insights, reports and health-mode personalization. |
| Account | Email address and sign-in state when you create an account. | Sign-in, backup and restore, and support. |
| AI requests | Your question, any image you choose to send, and the app context needed for that request, when you use an AI feature. | Answering your question and reading the content you send. |
| Purchases | App store purchase, subscription and restore status. | Turning on Premium, restoring purchases and turning off ads for Premium. |
| Diagnostics and usage | Crash logs, performance data, app version, device information and feature usage events. | Reliability, debugging, abuse prevention and product improvement. |
| Advertising | Advertising identifiers or ad interaction signals, where AdMob is enabled and your device settings allow it. | Paying for the free version and measuring ads. |
Controls
- Use Preeo free with ads, or choose the optional Preeo Premium subscription for an ad-free experience. Prices are shown in the App Store or Google Play before you buy.
- Manage ad personalization in your iPhone or Android privacy settings.
- Pause cloud sync or delete your account in the Privacy Vault, or see Delete Account.
- Email support@preeo.app for data export, privacy questions or support. We respond within 72 hours.
Frequently asked questions
Does Preeo sell health data?
No. We never sell your health data or use it for advertising.
What data does Preeo collect?
The data you enter to track your cycle, such as period dates, symptoms, moods and notes, plus account, purchase, diagnostics and, in the free version, advertising data. The table above and the Privacy Policy give the details.
How is health data protected?
On iPhone, your logs are saved on your phone and backed up to your account. Symptoms, moods, notes and intimacy logs are encrypted on your phone before they're backed up. In the Privacy Vault you can pause cloud sync, see network activity and delete your account, and you can lock the app with Face ID.
Important limits
Preeo is for wellness and information only. It is not a medical device and does not diagnose or treat any condition. Period, fertile-window and ovulation dates are estimates. Preeo is not a method of birth control and must not be used to prevent pregnancy. AI answers may be incomplete or wrong and are not medical advice.