子育てママに - 自動で九九を覚えさす

It is an educational app called [Kukupi].

for example
Between 8 a.m. and 5 p.m.
every hour
one step of the multiplication table
It will read it out automatically.

with this app
Like BGM every day
You can create an environment where you can hear the multiplication table.
You can memorize multiplication tables easily and naturally.

It is effective to leave it installed on your old leftover smartphone.


*For smartphones with battery saving mode
Automatic startup or background services may not work properly.
In that case, you can set automatic start and background settings from the app individual settings on the settings screen.
Please allow the service.