TOICA check 残高確認 is an Android application developed by yutsusaya, available for free in the Travel & Navigation category under Maps & GPS subcategory. It is a useful application that enables you to quickly check the balance of your IC card. With this app, you can easily check the balance of TOICA, Suica, ICOCA, PASMO, and even PiTaPa.

The app is straightforward to use. After starting the app, if the NFC is disabled, you can enable it by selecting "Setup of the NFC" from the upper right menu. Then, by holding the IC tag of your card to your smartphone's back, the account balance will be displayed. If NFC is already enabled, the app automatically displays the balance when placed over the IC tag. In case of conflicting applications, you'll need to choose the app to launch.