# Privacy Policy for CycleCare: Period Tracker
Last Updated: February 18, 2026
## IMPORTANT: Medical Disclaimer
CycleCare is NOT a medical device. This app is designed solely to help women track their menstrual cycles and provide general informational facts about cycle patterns. CycleCare does NOT provide medical advice, diagnosis, or treatment. All information is for tracking and educational purposes only.
Always consult qualified healthcare professionals for:
Medical advice, diagnosis, or treatment
- Concerns about your menstrual health
- Contraception decisions
- Fertility planning or treatment
- Any health-related questions or concerns
CycleCare is a tracking tool that provides general facts and information, not medical guidance.
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## Introduction
Welcome to CycleCare: Period Tracker ("CycleCare," "we," "us," or "our"). CycleCare is developed and operated by Adev, a solo developer deeply committed to protecting your privacy and the security of your sensitive health information. This Privacy Policy explains how we collect, use, protect, and respect your menstrual health data.
Your health data is sacred. We will never sell, share, or monetize your personal cycle information.
## Data Controller
Adev
Email: support@adevtech.com
Website: https://adev-tech.com
## Information We Collect
### 1. Account Information
When you create an account, we collect:
- Email address (optional - you can use the app anonymously)
- Display name (optional)
- Profile picture (optional)
- Account creation date
This information is stored using Firebase Authentication.
### 2. Menstrual Health Data (Sensitive Personal Data)
CycleCare allows you to track detailed menstrual cycle information:
Cycle Tracking:
- Period start and end dates
- Cycle length and patterns
- Flow intensity (light, medium, heavy)
- Predicted period dates
- Predicted ovulation and fertility windows
Symptom Tracking:
- Physical symptoms (cramps, headaches, bloating, breast tenderness, acne, etc.)
- Emotional symptoms (mood swings, anxiety, irritability, energy levels, etc.)
- Sleep patterns
- Exercise and activity levels
- Sexual activity (optional)
- Medication and supplements
Health Notes:
- Custom notes and observations
- Medical appointments
- Birth control methods
- Pregnancy mode data (if enabled)
All menstrual health data is considered sensitive personal information under GDPR Article 9 and is treated with the highest level of security and privacy protection.
### 3. App Usage Data
We collect minimal technical data:
- Anonymous Analytics: Basic app usage statistics via Firebase Analytics (anonymized)
- Crash Reports: Error logs via Firebase Crashlytics (anonymized, no health data included)
- Device Information: Device type, OS version (for app optimization only)
We do NOT collect:
- Detailed usage patterns or behavior tracking for advertising
- Location data (unless you manually add it to notes)
- Contact lists or external file access
- Advertising identifiers
- Any data that could identify you personally in analytics
### 4. Reminders and Notifications
When you enable reminders:
- Notification preferences (timing, types)
- Reminder settings for period, ovulation, medication
- These settings are stored locally on your device and in Firebase Firestore
## How We Use Your Information
### Period Tracking and Predictions
- Calculate cycle length, period duration, and cycle regularity
- Predict future period start dates
- Estimate ovulation and fertility windows
- Generate cycle phase information
- Identify cycle patterns and irregularities
### Health Insights
- Analyze symptom patterns across cycles
- Provide personalized health insights
- Generate statistical reports and trends
- Help you understand your unique cycle
### Reminders and Notifications
- Send period predictions and reminders
- Alert for medication or supplement timing
- Notify about fertility windows (if enabled)
- Appointment reminders
### Service Improvement
- Analyze anonymous, aggregate usage data to improve features
- Debug crashes and technical issues
- Enhance prediction algorithms using anonymized data patterns
- No individual health data is ever analyzed manually by our team
### Communication
- Send important service updates
- Respond to support requests
- Notify about critical security or privacy updates
## Legal Basis for Processing (GDPR)
We process your sensitive health data based on:
1. Explicit Consent: You provide explicit consent when you start tracking your cycle
2. Legitimate Interests: To provide the core functionality of the app
3. Necessary for Healthcare: While we are not medical providers, cycle tracking supports personal health management
You can withdraw consent at any time by deleting your account.
## Data Sharing and Third Parties
### We Do NOT Share Your Health Data
- No selling to data brokers or advertisers
- No sharing with third-party companies for marketing
- No social media integrations that share health data
- No partnerships with pharmaceutical or fertility companies
### Third-Party Services We Use
#### Firebase (Google LLC)
- Authentication: User account management
- Firestore: Encrypted storage of cycle data
- Cloud Storage: Secure storage of exported reports
- Analytics: Anonymous usage statistics (no health data)
- Crashlytics: Anonymous crash reporting (no health data)
Firebase processes data according to Google's Privacy Policy: https://policies.google.com/privacy
Firebase is GDPR compliant and uses encryption at rest and in transit.
### When We Must Share Data
We may disclose your information only when:
- Required by law: In response to valid legal processes (subpoenas, court orders)
- To protect rights: To protect our rights, safety, or the safety of others
- With your consent: When you explicitly authorize sharing
## Data Storage and Security
### Encryption and Security Measures
- End-to-end encryption for data transmission (TLS/SSL)
- Encryption at rest for all stored data (Firebase encryption)
- App-level security: Optional PIN lock or biometric authentication
- Secure servers: Data stored on Google Cloud Platform with industry-standard security
- Regular security audits and updates
- Access controls: Strict limitations on who can access infrastructure
### Where Your Data Is Stored
- Cycle Data: Firebase Firestore (Google Cloud Platform, encrypted)
- Account Data: Firebase Authentication (Google Cloud Platform)
- Local Cache: Encrypted locally on your device for offline access
- Backups: Encrypted backups on Firebase (automatic recovery)
### Data Retention
- Active Accounts: Your data is retained as long as your account is active
- Deleted Data: Permanently deleted from all systems within 90 days
- Backups: Removed from backup systems within 180 days
- Anonymous Analytics: Retained indefinitely (no personal health data)
## Your Privacy Rights (GDPR & International)
You have comprehensive rights over your sensitive health data:
### 1. Right to Access
- Request a complete copy of all your data
- Receive data in a readable format
- Available via in-app export feature
### 2. Right to Rectification
- Correct any inaccurate data
- Update or modify any tracked information
- Available directly in the app
### 3. Right to Erasure ("Right to be Forgotten")
- Delete your account and all associated data
- Permanent deletion within 90 days
- Available via in-app account deletion or by contacting support@adevtech.com
### 4. Right to Data Portability
- Export all your cycle data to PDF or CSV
- Transfer data to another service
- Available in app settings
### 5. Right to Object
- Object to data processing for specific purposes
- Opt out of analytics (Settings → Privacy → Analytics)
- Disable specific tracking features
### 6. Right to Restrict Processing
- Limit how we use your data
- Contact support@adevtech.com for restrictions
### 7. Right to Withdraw Consent
- Withdraw consent for data processing at any time
- Delete account to fully withdraw consent
- No penalty for withdrawal
### 8. Right to Lodge a Complaint
- File complaints with your local data protection authority
- EU users: Contact your national supervisory authority
- We will cooperate fully with investigations
To exercise these rights, contact us at support@adevtech.com or use in-app features.
## Special Protections for Sensitive Health Data
Because menstrual health data is considered sensitive personal information:
- No advertising or marketing use: Your health data is never used for targeted ads
- No profiling: We don't create profiles for marketing or selling
- Minimal data collection: We only collect data necessary for app functionality
- No third-party analytics on health data: Health information never leaves Firebase
- Enhanced security: Additional encryption and access controls
- Regular audits: Ongoing privacy and security assessments
## Children's Privacy
CycleCare is rated for ages 12 and up due to its subject matter. We recognize that some users may be minors:
- Users under 13: Parental consent may be required depending on jurisdiction
- Users aged 13-18: We provide the same privacy protections as adults
- Parental access: Parents can contact us at support@adevtech.com for data access or deletion requests
If you believe a child under the minimum age has provided us with personal information without proper consent, please contact us immediately.
## Anonymous Usage Option
You can use CycleCare completely anonymously:
- No email required: Use the app without creating an account
- Local storage only: Data stored only on your device
- No cloud sync: Your data never leaves your device
- Trade-offs: No backup, no multi-device sync, data lost if app is deleted
To enable anonymous mode, skip account creation during onboarding.
## Data Export and Medical Use
### Exporting Your Data
You can export your complete cycle history at any time:
- PDF Reports: Formatted for medical appointments
- CSV Files: For personal analysis or import to other apps
- Includes: All tracked cycles, symptoms, notes, and predictions
### Medical Disclaimer
- CycleCare is not a medical device and is not intended for medical diagnosis
- Exported reports are for informational purposes only
- Always consult healthcare professionals for medical advice
- Do not rely solely on CycleCare for contraception
## Changes to This Privacy Policy
We may update this Privacy Policy from time to time. We will notify you of significant changes by:
- Updating the "Last Updated" date
- Sending an in-app notification
- Posting a notice on our website
- Emailing you (if you provided an email)
For significant changes affecting sensitive data processing, we will request renewed consent.
## International Data Transfers
Your data may be transferred to and stored in countries outside your own:
- EU Users: Data may be transferred outside the EU under appropriate safeguards
- Standard Contractual Clauses: We use SCCs for international transfers
- Adequacy Decisions: We comply with GDPR adequacy requirements
## Contact Us & Data Protection Officer
For privacy questions, concerns, or to exercise your rights:
Email: support@adevtech.com
Website: https://adev-tech.com
Response Time: We aim to respond within 7 business days for general inquiries, 30 days for data rights requests (as required by GDPR)
As a solo developer, I (Adev) serve as the de facto Data Protection Officer for CycleCare.
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Our Commitment: Your menstrual health data is deeply personal. We built CycleCare with privacy as the foundation, not an afterthought. Your cycle information belongs to you and you alone. We will never betray that trust.
