Privacy Policy for FernMath

Last Updated: October 17, 2026

TL;DR Summary

✅ We collect: Your Google account info (name, email, photo) and learning progress
✅ We use it: To provide and improve FernMath, sync across devices
✅ We protect it: Industry-standard encryption and Firebase security
✅ We don't: Sell your data, show ads, or track you elsewhere
✅ You can: Access, export, or delete your data anytime

FernMath is designed for students. We take privacy seriously and only collect what's needed for learning.

Overview

FernMath is an educational algebra learning game designed for students in grades 6-9. We are committed to protecting your privacy and being transparent about the data we collect.

Information We Collect

1. Account Information (via Google Sign-In)

When you sign in with Google, we collect:

Name - To personalize your experience
Email address - To identify your account
Profile photo - To display in your profile

Why we collect this: To create and maintain your account, and to provide a personalized learning experience.

2. Learning Progress Data

We automatically save your progress as you use FernMath:

Lesson completion status - Which lessons you've started and completed
Problem attempts - Your step-by-step solutions and attempt history
Performance metrics - Number of steps taken, accuracy, and efficiency scores
Last accessed lesson - To help you resume where you left off

Why we collect this: To track your learning progress, show your achievements, and sync your progress across devices.

3. Settings & Preferences

We store your app preferences:

Theme preference - Light, dark, or system theme
Notification settings - If you enable notifications in the future

Why we collect this: To provide a consistent, personalized experience across all your devices.

4. Diagnostic & Error Logs

To keep FernMath working reliably, we automatically record technical diagnostic events:

Error and warning reports - When something in the app doesn't work correctly
Screen navigation events - Which screens were visited, to help us reconstruct what led to a problem
Notes you send to Fern - If you send Fern a note, we keep what you typed and which screens you had just visited, to understand it; please do not include names

These logs are linked to your account ID so we can investigate issues. They are used only for debugging and reliability, are automatically deleted after 90 days, and are never used for advertising or shared with third parties.

Why we collect this: To find and fix bugs and keep the app working well.

How We Use Your Information

We use the information we collect to:

✅ Authenticate your account and keep it secure
✅ Track and display your learning progress
✅ Sync your data across multiple devices
✅ Provide personalized learning recommendations (future feature)
✅ Improve the app based on usage patterns

We DO NOT:

❌ Sell your personal information to third parties
❌ Share your data with advertisers
❌ Use your data for marketing purposes
❌ Track you across other websites or apps

Data Storage & Security

Where Your Data is Stored

Your data is stored securely using:

Google Firebase Authentication - For secure account management
Google Cloud Firestore - For progress and settings data
Google Cloud Platform - Servers located in the United States

Security Measures

We protect your data with:

Industry-standard encryption in transit (HTTPS/TLS)
Encryption at rest for all stored data
Firebase security rules to ensure users can only access their own data
Regular security updates and monitoring

Your Privacy Rights

You have the right to:

Access Your Data - View all your data within the app
Delete Your Data - Request deletion by contacting us
Export Your Data - Request a copy of your data
Update Your Information - Change settings in the Profile screen

Children's Privacy (COPPA Compliance)

FernMath is designed for students aged 11-15 (grades 6-9).

Age Requirement: FernMath is intended for students aged 11 and older, used with parental permission. Signing in requires a Google account. Google requires users in the United States to be at least 13 years old to manage their own Google account; students under 13 must use a Google account created and managed by a parent or guardian (for example, through Google Family Link). We do not knowingly collect personal information from children under 13 except through such a parent-managed account.

We comply with the Children's Online Privacy Protection Act (COPPA):

We only collect information necessary for the educational purpose of the app
We do not require children to provide more information than necessary
Parents/guardians can request to review or delete their child's data
We do not share children's personal information with third parties

For Parents/Guardians:

By allowing your child to use FernMath, you consent to the data collection described in this policy
You can review your child's progress data within the app
To delete your child's account and data, contact us at fernmath@dasasian.com and we will delete it within 30 days

Third-Party Services

Google Firebase (Google LLC)

What we use: Authentication, Firestore database, hosting
Data shared: Email, name, profile photo, learning progress
Privacy Policy: https://policies.google.com/privacy

No Analytics or Tracking

We currently do not use Google Analytics, advertising networks, or any third-party tracking services.

Data Retention

We retain your data as long as your account is active. If you delete your account:

Personal information is deleted within 30 days
Aggregated, anonymized statistics may be retained for app improvement
Backup copies are deleted within 90 days

Diagnostic and error logs are automatically deleted after 90 days, regardless of account status.

Changes to This Policy

We may update this privacy policy from time to time. When we do:

We'll update the "Last Updated" date at the top
For significant changes, we'll notify you via email or in-app notification
Continued use of FernMath after changes means you accept the updated policy

Contact Us

If you have questions about this privacy policy or your data:

Company: Dasasian Games, LLC
Email: fernmath@dasasian.com
Website: https://fernmath.com