In order to improve the convenience of the application, careful attention is paid in a range that can not identify an individual anonymously, and access analysis is carried out. For example, when an application crashes, we send anonymously what part it crashed, and it helps to fix bugs quickly.
About ad delivery
In the case of the free version, we use Google AdMob to deliver ads. Please check the following link for information to be acquired, purpose of use, provision to third parties, etc.
We are keeping our efforts as much as possible to improve application safety and support for defects, but the developer does not take responsibility for damage caused by using this application by the user.