TSL (TOEIC Service Lis) is a word list in which 1259 frequently used words in TOEIC are extracted.
It is said that 99% of TOEIC English words can be covered by learning NGSL and TSL words together.

Learning is a word card format,
Swipe or tap the button to display the next word.
If you don't understand a word, it will be repeated.

Since each word has a memorization level,
You can focus on learning words that are difficult to remember.