簡単かけ放題タイマーくん is the simplest and most straightforward mobile call timer in Japan. This app is designed to prevent excessive charges for the "10-minute 5-minute unlimited talk" plan. With just two easy steps of setting the timer and pressing the call button, you can avoid overcharging for voice calls and enjoy a worry-free smartphone life.

Here are six key features of 簡単かけ放題タイマーくん:

Feature 1: Compatible with Any Smartphone

Not only does this app support 16 affordable SIM (MVNO) providers such as Y!mobile, UQmobile, LINEモバイル, and Rakuten Mobile, but it also works with the three major carriers in Japan: NTT Docomo, au, and SoftBank, including their light plans (カケホーダイプラン, カケホ, and スマ放題ケータイ).

Feature 2: Easy Operation with No Input Required

By simply pressing a button, the timer is set instantly with pre-defined durations.

Feature 3: Make Calls with Your Preferred Phone App

When you press the call button, your regular phone app will be launched. You can make calls just like you normally would.

Feature 4: Alarm and Vibration at Set Time

An alarm and vibration will automatically go off after the set time from when the call was made. The screen will display a large "STOP" button, which you can press to stop the alarm. We prioritize simplicity and user-friendliness.

Feature 5: Nostalgic Alarm Melody

The alarm uses a nostalgic melody that everyone will recognize, reminiscent of the end of a school class. The screen also features a school character.

Feature 6: Unparalleled Simplicity

With just a glance at the screen, you will see that there is nothing complicated. This mobile call timer is designed to be simple, easy-to-use, and reliable.

Feel free to install and try it out. It is undoubtedly the simplest app in Japan, and it is available for free download.

Developer: akihiro station

License: Free

Category: Utilities & Tools