You can use it for free at small academies/gymnasiums/local children's centers/youth training centers.
Attendance records are saved and deleted from the mobile phone of the guardian receiving the message.

(Preparations)
1. Download and install "Attendance Talk Talk" on a smartphone that is not in use.
2. Send a notice to the parents of the freshman/trainee to download and install the "attendance talk talk" app from the Google Play Store for arrival/return notification

(How to use)
1. Keep unused smartphones at the entrance of the school
2. Run the "Attendance Talk Talk" app and move to the keypad screen
3. Enter the business name in Settings.
4. A student/trainee presses the guardian number on the keypad and clicks the Arrival/Return button
5. Arrival/Return notification will be sent to the guardian. (No cost)