Privacy Policy
1. Introduction
This Privacy Policy describes how CorotaSoft handles information in connection with the Android application TipConvert (hereinafter "the App"). Please read this policy carefully before using the App.
2. Information We Collect
Information Stored on Your Device
The App does not collect any personally identifiable information. The following data is stored locally on your device only:
| Data | Purpose |
|---|---|
| Last used currency pair | Convenience on next launch |
| Favorite and recent currency pairs | Faster operation |
| Manually entered exchange rates | Offline use |
| Cached exchange rates and last update time | Offline use / reducing API calls |
| Last entered values | Convenience on next launch |
| Language preference | Maintaining display language |
All of the above data is stored on your device only and is never transmitted to CorotaSoft or any third party.
3. Third-Party Services
Exchange Rate API (Frankfurter)
The App uses https://api.frankfurter.app to fetch current exchange rates.
- Only currency codes (e.g., USD, JPY) are included in requests
- No personal information, location data, or device identifiers are transmitted
- If the request fails, the App falls back to the locally saved rates
Frankfurter's privacy policy: https://www.frankfurter.app
Advertising (Google AdMob)
The App uses Google AdMob to display advertisements. AdMob may collect the following information to serve and optimize ads:
- Advertising identifier (Google Advertising ID)
- Approximate location (country/region level)
- Device information (OS version, device type, etc.)
- Ad interaction history
This data is managed solely by Google. CorotaSoft does not directly access or store this information. For more details, please refer to Google's Privacy Policy.
4. Sharing of Information
CorotaSoft does not sell, share, or disclose user information to any third party. The App does not independently collect any personal information to share.
5. Children's Privacy
The App is not directed at children under the age of 13. CorotaSoft does not knowingly collect personal information from children under 13. If you believe a child has provided personal information, please contact us so we can take appropriate action.
6. Data Deletion
All App data is stored locally on your device. To delete it, follow these steps:
7. Security
The App operates without a backend server and does not independently collect personal information. All exchange rate requests are made over HTTPS.
8. Changes to This Policy
We may update this Privacy Policy from time to time. When we do, we will update the "Last Updated" date at the top of this page. For significant changes, we will notify users via an app update or the store listing page.
9. Contact Us
If you have any questions or concerns about this Privacy Policy, please reach out via the form below.
📝 Contact Form →This Privacy Policy is provided in both Japanese and English. In the event of any conflict, the Japanese version shall prevail.