Privacy Policy for Period Tracker & Calendar
Effective Date: June 23, 2026
At ByteWhales ("we," "our," or "us"), we are committed to protecting your privacy. This Privacy Policy explains how we collect, use, disclose, and safeguard your information when you use our mobile application, Period Tracker & Calendar (the "App").
Please read this Privacy Policy carefully. By accessing or using the App, you agree to the collection and use of information in accordance with this policy. If you do not agree with the terms of this Privacy Policy, please do not access the App.
1. INFORMATION WE COLLECT
A. Personal and Health Data
Account Information
When you register or log in using email and password or Apple Login (via Firebase Authentication), we collect your email address, display name, and any profile picture you upload. If you use Guest Mode, no account information is collected.
Cycle & Health Profile
We collect information you provide during cycle setup or in your settings, including your last period start date, average cycle length, average period duration, age, height, weight, and cycle-tracking goals.
Health Logs & Submissions
To provide tracking calculations and reports, we store user-submitted health logs, including cycle dates, symptoms (pain, body, health, and custom symptoms), moods and mood intensities, basal body temperature, intimacy logs, cervical mucus observations, cervical firmness and opening details, daily journal notes, and photos uploaded for ovulation tests or tracking logs. This data is stored in Firebase Realtime Database and Firebase Storage to synchronize across your authenticated devices.
B. Device and Usage Data
We automatically collect certain information when you access the App.
Device Details
We collect information about your mobile device, including your device model, operating system version, unique device identifiers (such as IDFA on iOS or GAID on Android), and IP address.
Usage Statistics
Through analytics tools, we track how you interact with our App, including page views, features accessed, time spent on pages, and crash reports.
C. Device Permissions
To provide the App's core functionalities, we request access to certain features on your mobile device.
Camera and Photo Library (Image Picker)
We request permission to access your camera or photo gallery when you choose to capture or upload photos, such as for ovulation tests or profile setup.
Notifications
We request permission to send you timely alerts for period starts, ovulation predictions, fertile windows, contraceptive pills, and daily routines.
Tracking Permission (App Tracking Transparency)
On iOS devices, we request your permission to track your activity across apps and websites for personalized advertising and analytics.
2. THIRD-PARTY SERVICE PROVIDERS
We utilize trusted third-party services to host our databases, track app usage, process purchases, and display advertisements. These third parties have access to your information only to perform specific tasks on our behalf and are obligated not to disclose or use it for any other purpose.
Firebase (Google LLC)
Authentication
Used to sign you in securely.
Realtime Database & Storage
Used to save your cycle parameters, health tracking data, and uploaded media files.
Analytics & Crashlytics
Used to understand usage patterns and diagnose application stability issues.
Privacy Policy:
https://policies.google.com/privacy
Google AdMob (Google LLC)
Used to display advertisements in the App. AdMob uses device identifiers (IDFA/GAID) to show relevant, personalized, or non-personalized ads.
Privacy Policy:
https://policies.google.com/technologies/ads
Facebook App Events (Meta Platforms, Inc.)
Used to track conversion events, app installations, application launches, and custom events for analytics and marketing optimization.
Privacy Policy:
https://www.facebook.com/privacy/policy/
Apple In-App Purchases (StoreKit) / Google Play Billing
Used to process premium subscription and feature purchases. All payment transactions are handled securely by Apple and Google. We do not store or collect your payment card details.
Privacy Policies:
https://www.apple.com/legal/privacy/en-ww/
https://policies.google.com/privacy
3. HOW WE USE YOUR INFORMATION
We use the collected information for various purposes, including to:
• Create, manage, and secure your account.
• Provide and maintain the App's core functionality, such as tracking and predicting your menstrual cycles and fertility windows.
• Personalize your app experience and display ads, subject to your tracking preferences.
• Monitor and analyze trends, usage, and activities to improve App features, stability, and usability.
• Process premium subscription payments and manage purchases.
• Send you notifications (with your consent) and handle user support queries.
4. HOW WE SHARE YOUR INFORMATION
We do not sell, trade, rent, or lease your personal data to third parties. We may share information in the following situations:
With Service Providers
We share details with our backend and advertising partners (Firebase, AdMob, Meta) to operate and improve the App.
Compliance with Laws
We may disclose your information where required by law or in response to valid requests by public authorities.
Business Transfers
If we are involved in a merger, acquisition, or asset sale, your information may be transferred.
5. DATA SECURITY
We implement appropriate technical and organizational security measures to protect your personal and health data from unauthorized access, alteration, disclosure, or destruction. However, please be aware that no electronic transmission or storage method is 100% secure, and we cannot guarantee absolute security.
6. DATA RETENTION AND DELETION
We retain your personal information only for as long as necessary to fulfill the purposes outlined in this Privacy Policy.
Account & Data Deletion
You can request deletion of your account and associated data at any time. To do so:
• Navigate to the Profile or Settings screen within the App and tap "Delete Account Permanently".
• Use the "Wipe Health Logs" option to remove health records while keeping your account active.
• Contact us directly using the email address provided below.
Upon request, we will delete your account information from our authentication systems and databases, subject to any legal obligations requiring retention.
7. CHILDREN'S PRIVACY
Our services are not directed to children under the age of 13. We do not knowingly collect personally identifiable information from children under 13. If we discover that a child under 13 has provided us with personal information, we will promptly delete such information from our servers.
If you are a parent or guardian and believe your child has provided us with personal information, please contact us immediately.
8. YOUR PRIVACY RIGHTS (GDPR & CCPA)
Depending on your location, you may have specific rights regarding your personal information under applicable privacy laws, including the General Data Protection Regulation (GDPR) and the California Consumer Privacy Act (CCPA).
These rights may include:
• The right to access the personal information we hold about you.
• The right to correct inaccurate or incomplete information.
• The right to request deletion of your personal information.
• The right to object to or restrict certain processing activities.
• The right to withdraw consent at any time where processing is based on consent.
• The right to data portability where applicable.
To exercise any of these rights, please contact us using the details below.
9. CHANGES TO THIS PRIVACY POLICY
We may update this Privacy Policy from time to time. Any changes will be posted within the App or on the relevant platform, and the Effective Date at the top of this document will be updated accordingly.
Your continued use of the App after changes become effective constitutes your acceptance of the updated Privacy Policy.
10. CONTACT US
If you have any questions, concerns, or suggestions regarding this Privacy Policy, please contact us:
ByteWhales
Email: bytewhalesapple@gmail.com