The App collects the following information in order to provide its services.
| Type of Information | How It Is Collected | Purpose |
|---|---|---|
| Email address | At account registration | Authentication and contact |
| Display name & profile image | Via Google / Apple sign-in | In-app display |
| User ID | Auto-generated by Firebase Authentication | Linking data |
| Type of Information | How It Is Collected | Purpose |
|---|---|---|
| Weight & body fat percentage | Apple HealthKit (if permitted) | Progress tracking & AI advice |
| Heart rate | Apple Watch / HealthKit (if permitted) | Intensity management during workouts |
| Workout records | User input & HealthKit | Displaying & analyzing exercise history |
| Meal & nutrition records | User input & AI analysis of meal images | Nutrition management & AI advice |
| Type of Information | Purpose |
|---|---|
| Height, age, sex, target weight | Generating personalized AI advice |
| AI trainer personality setting | Customizing chat style |
Images captured or selected in the meal-logging feature are used solely for nutritional estimation by Google Gemini AI. Images are not stored on the Developer's servers after analysis (processed via Firebase AI Logic).
We use the collected information solely for the following purposes:
We do not use the information for any other purpose. If the purpose changes, we will obtain the User's consent.
The Developer will not provide Users' personal information to third parties except in the following cases:
The App entrusts data processing to the following services. Please also review the privacy policy of each service.
| Service | Provider | Processing |
|---|---|---|
| Firebase Authentication | Google LLC | User authentication |
| Cloud Firestore | Google LLC | Storage of user data |
| Firebase AI Logic (Gemini) | Google LLC | AI analysis & chat processing |
| Google Sign-In | Google LLC | Google account authentication |
| Sign in with Apple | Apple Inc. | Apple ID authentication |
| Apple HealthKit | Apple Inc. | Reading/writing health data (processed on device) |
Data stored in Cloud Firestore is managed in accordance with Google's security policies. Google Privacy Policy
Health data obtained from HealthKit is handled in accordance with the following policy:
User data is retained for as long as the account exists. When you delete your account, all meal, workout, profile, and routine data stored in the App is deleted from Firebase.
Account deletion can be performed from "Settings" → "Delete Account" within the App.
To prevent the leakage, loss, or damage of personal information, the Developer implements reasonable security measures, including appropriate access control via Firebase Security Rules and session management via Firebase Authentication. However, we cannot guarantee complete security over the internet.
The App is not intended for individuals under 13 years of age. If we become aware that we have collected personal information from a child under 13, we will promptly delete such information.
Users have the following rights:
To exercise these rights, please contact us at the address below.
We will update this Policy as needed. In the event of significant changes, we will provide notice on this page and within the App. Your continued use of the App after such changes constitutes acceptance of the revised Policy.
This Policy is governed by the laws of Japan.
For inquiries regarding the handling of personal information, please contact us at the email address below.