Privacy Policy
Last Updated: February 26, 2026
Table of Contents
1. Introduction
MARUSOFT (hereinafter referred to as "the Operator") respects the privacy of users of the mobile application "FX GrowLog" (hereinafter referred to as "this App") and is committed to protecting personal information. This Privacy Policy explains our policies regarding the collection, use, and sharing of information in this App.
2. Information We Collect
This App may collect the following information:
Information You Provide
- Trade information (currency pairs, buy/sell direction, entry/exit prices, lot size, stop loss, take profit, profit/loss)
- Trade notes (entry notes, reflection notes)
- Tag information (setup, exit reason, emotion, and other custom tags)
- Chart screenshots (images from camera or photo library)
- User settings (theme, display currency, week start day, and other app preferences)
Automatically Collected Information
- Advertising identifier (IDFA/GAID) (used for ad delivery)
- Device information (OS type, device model)
- Subscription status (Premium Plan purchase and expiration information)
3. How We Use Your Information
We use the collected information for the following purposes:
- Storing, displaying, and analyzing trade records
- Calculating and displaying growth analytics (discipline rate, plan rate, reflection rate, win rate, etc.)
- Providing, maintaining, and improving app features
- Delivering advertisements (for free plan users)
- Managing subscription status
4. Sharing with Third Parties
The Operator will not provide your personal information to third parties except in the following cases:
- When we have your consent
- When required by law
- When necessary to protect the life, body, or property of a person
- Google AdMob (Google LLC): Device information and advertising identifiers are transmitted for ad delivery
- RevenueCat, Inc.: Purchase information is processed for subscription management
5. Advertising
This App uses Google AdMob (Google LLC) for advertising.
Information Collected for Advertising
- Advertising identifier (IDFA/GAID)
- Device information
- IP address
- App usage data
On iOS, we may request permission for tracking under App Tracking Transparency (ATT). Even if you do not grant permission, non-personalized ads will still be displayed.
For more details, please see Google's Privacy Policy.
6. Data Storage and Security
This App is a local-first application. All user trade data is stored in a SQLite database on the user's device and is never transmitted to the Operator's servers.
- Data entered in this App is stored on your device
- Your personal data is not transmitted to or stored on the Operator's servers
- Data may be lost due to device loss, malfunction, or app deletion
- You can save your data externally using the backup feature (ZIP format) and CSV export feature
7. Your Rights
You have the following rights regarding your information:
- Right of Access: You can view the data you entered in this App at any time within the app
- Right to Deletion: You can delete all data on your device by uninstalling the app
- Advertising Opt-out: You can limit ad tracking through your device settings
- Data Portability: You can retrieve and transfer your data using the backup feature (ZIP format) or CSV export feature
8. Children's Privacy
This App is not intended for children under the age of 13. The Operator does not knowingly collect personal information from children under 13. If we learn that personal information has been provided by a child under 13, we will promptly delete such information.
9. Changes to This Policy
The Operator may change this Privacy Policy as necessary. If there are significant changes, we will notify you through this App. If you continue to use this App after the changes, you will be deemed to have agreed to the revised Privacy Policy.
10. Contact Us
For questions or inquiries regarding this Privacy Policy, please contact us through our support page.
Support Page