Privacy Policy for Do Do Japanese
Last Updated: August 10, 2026
Do Do Japanese (“we,” “our,” or “the App”) is a Japanese language learning and dictionary application designed to support Japanese, Burmese, Korean, and English language learning.
This Privacy Policy explains what information may be collected when you use Do Do Japanese, how that information is used, and the choices available to you.
1. Information We Collect
Account Information
When you sign in using Google Sign-In, Sign in with Apple, or another supported authentication method, we may process information associated with your account, including your email address and a user identifier.
Search Information
The App may collect search terms entered into the dictionary for analytics purposes.
Search analytics may include information such as search count, whether a result was found, language category, operating system type, and whether the search was performed by a guest or full-access user.
Search analytics are not intentionally stored together with your email address or Firebase user ID.
Photos and Profile Images
Certain Live Exam and friend-related features allow you to select an image from your photo library.
If you choose to use this feature, the selected image may be uploaded to cloud storage and associated with your account or friend profile.
You control whether to select and upload an image.
Device and Usage Information
The App and third-party services used by the App may collect device and usage information such as:
• Device identifiers
• Operating system information
• App interactions
• Advertising interactions
• Crash information
• Performance information
• IP address or similar network information
This information may be used for app functionality, analytics, security, fraud prevention, advertising, and improving the App.
Push Notifications
If you allow notifications, the App may process a device notification token in order to send notifications to your device.
2. How We Use Information
Information may be used to:
• Provide dictionary and language-learning features
• Authenticate users and manage account access
• Provide Live Exam and friend-related functionality
• Synchronize supported user-related features
• Provide push notifications
• Analyze search usage and improve dictionary coverage
• Diagnose crashes and performance problems
• Maintain security and prevent misuse
• Display and measure advertisements
• Improve the App and its services
3. Advertising
Do Do Japanese may use Google Mobile Ads and related Google services to display advertisements.
Advertising services may process information including device identifiers, advertising data, app interactions, IP address, crash information, and performance information.
Depending on your device settings, applicable law, consent choices, and advertising configuration, advertising services may use certain information for advertising, analytics, fraud prevention, or measurement.
You may manage certain advertising and privacy preferences through your device settings and, where available, consent controls presented in the App.
4. Third-Party Services
Do Do Japanese uses third-party services that may process information according to their own privacy policies.
These services may include:
• Google Firebase
• Firebase Authentication
• Cloud Firestore
• Firebase Cloud Storage
• Firebase Cloud Messaging
• Google Sign-In
• Sign in with Apple
• Google Mobile Ads
We encourage you to review the privacy policies of these service providers for more information about their data practices.
5. Data Storage and Security
We use reasonable technical and organizational measures to protect information processed through the App.
Information may be stored or processed using cloud infrastructure provided by third-party service providers.
No method of electronic storage or transmission is completely secure, and we cannot guarantee absolute security.
6. Data Retention
Information is retained only for as long as reasonably necessary to provide the App, maintain security, comply with legal obligations, resolve disputes, or fulfill the purposes described in this Privacy Policy.
Some aggregated or de-identified analytics information may be retained for longer periods where it does not directly identify an individual.
7. Account and Data Deletion
Where account deletion functionality is available in the App, you may use it to request deletion of your Do Do Japanese account and associated account data.
Certain information may be retained where required for legal, security, fraud-prevention, or technical reasons.
Data maintained independently by third-party service providers may also be subject to their own retention and deletion policies.
8. Children's Privacy
Do Do Japanese is a general language-learning application and is not specifically directed to children.
We do not knowingly design the App for the collection of personal information from children in violation of applicable law.
Parents or guardians who believe that a child has provided personal information improperly may contact us to request review or deletion.
9. International Data Processing
Depending on your location and the services used by the App, information may be processed or stored in countries other than the country where you reside.
Third-party service providers may operate data centers and infrastructure in multiple countries.
10. Your Privacy Choices
Depending on your device, location, and applicable law, you may have choices regarding:
• Account deletion
• Notification permissions
• Photo-library access
• Advertising identifiers
• Personalized advertising
• Privacy or consent settings
You may also contact us regarding privacy-related questions or requests.
11. Changes to This Privacy Policy
We may update this Privacy Policy when the App, its features, legal requirements, or third-party services change.
Any updated version will be posted at the same public Privacy Policy URL with a revised “Last Updated” date.
12. Contact Us
If you have questions, requests, or concerns about this Privacy Policy or your information, please contact:
Do Do Japanese Support
Email: dododict@gmail.com