Privacy Policy

Last Updated: December 28, 2025

This Privacy Policy describes how MarkFlow ("we", "our", or "the App") handles information when you use our Markdown reader application.

Information We Collect

Information You Provide

MarkFlow does not require you to create an account or provide any personal information to use the App.

Locally Stored Data

The App stores the following data locally on your device:

App settings and preferences (theme, text size, reading theme)
Recent files list
Folder browsing state

This data is stored only on your device and is not transmitted to our servers.

Analytics Data

We use Firebase Analytics to collect anonymous usage data, including:

App launches and session duration
Feature usage (e.g., opening files, exporting to PDF)
Device type and operating system version
Crash reports

This data is collected in aggregate form and cannot be used to identify you personally. It helps us understand how the App is used and improve its features.

Information We Do Not Collect

Personal identification information (name, email, phone number)
Location data
Contacts or address book
Photos or media (except Markdown files you choose to open)
Browsing history outside the App

How We Use Information

The anonymous analytics data we collect is used to:

Improve App performance and stability
Understand which features are most useful
Fix bugs and crashes
Guide future development

Data Storage and Security

All your documents and settings remain on your device
We do not have access to the content of your Markdown files
Files opened from URLs are fetched directly to your device and are not stored on our servers

Third-Party Services

The App uses the following third-party services:

Firebase Analytics (Google): For anonymous usage analytics. See Google's Privacy Policy

Children's Privacy

The App does not knowingly collect any personal information from children under 13 years of age.

Changes to This Policy

We may update this Privacy Policy from time to time. We will notify you of any changes by posting the new Privacy Policy in the App or on our website. You are advised to review this Privacy Policy periodically for any changes.

Your Rights

You can:

Delete all locally stored App data by uninstalling the App
Opt out of analytics by disabling analytics in your device settings

Contact Us

If you have any questions about this Privacy Policy, please contact us at:

Email: 646055204@QQ.com