You can check the "Created by" user of an app on the "App Management" screen.
Note that the "Created by" users you can check differ depending on your user type:

• cybozu.cn Administrators: This type of users can check the "Created by" user of all apps except the apps that belong to the "Private" app group.

• kintone Administrator and other users: These types of users can check the "Created by" user of the apps for which they have the "Manage app" permission.

The following are the steps to check the "Created by" user of an app.

1. Click the Settings icon (the gear-shaped icon) at the top of kintone, then select App Management.
   

2. On the "App Management" screen, check the Created By column in the Apps section.