Privacy Policy & Terms of Service

For your peace of mind

🔒 Privacy Policy

📌 How We Handle Personal Information

                            Diff Pro Max does not collect, store, or transmit any personal information.

                            All file processing is completed locally on your Mac. No data is ever sent over the internet.

Specifically, we do not collect:

Your name, email address, or any other personal identifiers

Contents or names of processed files

App usage history or operation logs

Device-specific identification information

💡 Future App Improvements

In the future, we may collect the following information to improve app quality:

Crash reports (in anonymized form)

Basic usage statistics (feature usage frequency, etc.)

Important: If we begin collecting this information, we will always obtain your consent first using an opt-in approach. Currently, we do not collect any information.

🔐 App Store Purchase Information

All Pro version purchase processing is handled through Apple's App Store and Microsoft Store systems. As the developer, I have no access to your payment information or Apple ID/Microsoft account. Your purchase information is securely managed by Apple and Microsoft.

📋 Terms of Service

✅ Terms of Use

Please use this app in accordance with the Mac App Store and Microsoft Store terms of service

The license is tied to your Apple ID or Microsoft account and can be used on all devices signed in with the same account

Both commercial and personal use are permitted

Reverse engineering, modification, and redistribution are prohibited

🛡️ Disclaimer

The developer shall not be held legally liable for any damages arising from the use of this application, including but not limited to data loss, business interruption, or any other damages.
                        

However:
As an independent developer, I will do my best to ensure your satisfaction. If you encounter any issues, I will provide support to the best of my ability. Please feel free to contact me.

🔄 Updates and Support

As a one-time purchase, future updates are provided free of charge

We will do our best to support new versions of macOS and Windows, but this is not guaranteed

Support will be provided as promptly as possible, but responses may be delayed as this is an independent development project

Feature requests are welcome, but implementation is not guaranteed

⚖️ Governing Law

These terms are governed by Japanese law. Any disputes related to this application shall be subject to the exclusive jurisdiction of the courts of Japan.

📧 Contact Us

For questions about our Privacy Policy or Terms of Service, or for any inquiries about the app, please contact us using the following methods:

Contact Information

📧 Email: hello@rkpg.net

🐦 X: @rkpg10

💬 Response time: Usually within 1-3 business days

* As this is an independent development project, responses to inquiries on weekends, holidays, or late at night may be delayed. Thank you for your understanding.

🙏 From the Developer

Thank you for using Diff Pro Max.
As an independent developer, there may be some shortcomings,
but I value the feedback from users and will continue to improve.

I hope this app helps improve your development efficiency.
Thank you for your continued support of Diff Pro Max.

Last Updated: August 13, 2025
Version: 0.8.4