Privacy Policy
Last updated: 2026-09-13
Nihongo Quest (hereinafter referred to as "this application") handles user information as follows.
Information to be obtained
This app obtains information entered or generated using Firebase's anonymous user ID, display name, selected companions, learning history, answer results, game progress, and friend guild functions. In addition, if push notifications are enabled, notification tokens are handled, and if in-app billing is used, purchase and subscription status are handled.
Purpose of use
The information obtained will be used for providing learning and game functions, synchronizing data, providing ranking, friend, and guild functions, confirming purchase status, sending push notifications, analyzing usage status, investigating malfunctions, preventing unauthorized use, and improving services.
Advertising and access analysis
This app uses Google-provided services such as Google Mobile Ads and Firebase Analytics. These services may obtain terminal information, advertising identifiers, advertising display and operation information, app usage status, diagnostic information, etc. Tracking permission is optional and can be changed at any time from the terminal settings.
Third-party service
This app uses Google Firebase for authentication, data storage, analysis, and notifications, Google Mobile Ads for ad delivery, and Apple StoreKit for in-app billing. The privacy policies of each provider apply to the handling of information by each service.
Third-party provision
Except in cases based on laws and regulations, we will not sell or provide the information obtained to third parties without the consent of the person. However, information may be sent to each service provider within the scope necessary for the use of the above services.
Data saving and deletion
The information obtained will be stored for the period necessary to provide the service. You can apply to delete your account and related learning and game data from the "Delete Account" screen on the settings screen. Information necessary for legal obligations, fraud prevention, and maintaining transaction records may be stored for a limited period.
safety management
We will take reasonable safety management measures to prevent unauthorized access, leakage, falsification, loss, etc. of the information obtained.
Policy change
This policy may be revised in response to changes in laws and regulations or service content. If there are any important changes, we will notify you through other appropriate methods within the app.
Feedback
For inquiries about this policy and data handling, please contact us from the "Inquiries" on the settings screen.
Analytics on this website
This website loads Google Analytics 4 and Microsoft Clarity only when you choose “Allow analytics.” Google receives information such as viewed pages, referrals, browser and device details, and interaction events. Microsoft receives information about clicks, scrolling, and page visits. Cookies and similar technologies support visit statistics, heatmaps, and session recordings to improve the website.
This configuration does not grant consent to advertising storage or ad personalization. We use Clarity’s default masking and do not send custom identifiers such as names or email addresses. Please also review Google’s and Microsoft’s privacy policies for their data practices.
Your choice is saved in this browser. You can change it at any time using “Analytics settings” at the bottom of each page. Declining stops further analytics and does not affect access to the website or app information.