My Phone Number
Privacy Policy
catscatsnekoneko ("the developer") sets out below how user information is handled in the Android app My Phone Number (マイ電話番号).
Scope
This policy applies only to the Android app My Phone Number (マイ電話番号).
Because information is handled differently from app to app, each app has its own policy. For other apps, see the list of privacy policies.
Information collected
My Phone Number collects no user information whatsoever.
- It does not obtain any information that identifies the user
- It does not record or analyse how the app is used
- It shows no advertising
- It requires no account
Information stored inside the app
The phone numbers you enter, and the names you give each line, are stored only in the app's private storage on your device.
- This information is never sent off the device
- The developer cannot see this information
- The app has no ability to connect to the internet (it does not request internet permission)
- It is excluded from automatic backup to Google Drive and from device-to-device transfer. As a result, what you registered does not carry over to a new device
You can erase what you have saved at any time from "Delete saved data" on the app's settings screen. Uninstalling the app also removes the saved data from your device.
Permissions the app uses
Each permission is needed only for the corresponding feature. The app works without them.
Phone (read SIM information / read phone numbers)
Used to see how many SIMs are in the device and to attempt to read their phone numbers. What is read is only displayed on the device and is never transmitted. Without this permission, you can still register phone numbers by hand.
Notifications
Used only when you choose to show your phone number in the notification area.
Receive boot completed
Used to restore the notification after the device restarts.
Disclosure to third parties
No user information is provided to third parties. As no information is collected, there is nothing that could be provided.
In-app purchases and advertising
My Phone Number contains no in-app purchases and no advertising.
Children's privacy
My Phone Number is not directed primarily at children. It collects no user information, regardless of the user's age.
Changes to this policy
Any change to this policy will be posted on this page.
Contact
- GitHub: github.com/catscatsnekoneko
Effective date: 24 August 2026