Learn vocabulary through illustrated stories and example sentences. Review words based on forgetting curve for long-term retention. Access level-specific wordbooks for TOEIC, English exams, and conversation.
Tune strings with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork feature and advanced settings via in- purchase. LED indicator highlights tuned strings. Supports standard and drop D tunings.
Edit audio files by reversing playback. Adjust pitch and time stretch audio. Access pro features like equalizer, delay, and reverb. Save and share modified audio files.
Tune with real-time pitch display in Hz. Adjust A4 calibration between 415 Hz and 466 Hz. Use tuning fork and advanced settings via in- purchase. LED indicator lights up tuned strings automatically. Supports standard and drop D tunings.