Learn 3800 TOEFL vocabulary words with audio support for listening practice. Track progress with bar graphs per rank and set. Review marked words for weak areas. Control audio playback via Apple Watch.
The app provides short-term earthquake predictions using data from the National Research Institute for Earth Science and Disaster Resilience. It aims to help users prepare for seismic events and reduce potential damage.
Calculates age and days lived based on birthdate. Supports Japanese and Western calendars. Displays birth day of the week and stored birthdays. Allows custom reference dates to check future age or days lived.