The app transmits messages as morse code and decodes received light signals into text. Users can switch to receive mode and tap the screen to see messages or switch to input mode, type text, and press transmit to send messages.
Support multiple input methods including Easy English, Emoji, Morse code, X-SAMPA, Unicode, Swift Kana, Simplified Greek, Manchu/Hebrew, Mandarin (mountain head enhanced), and various pinyin and double-pinyin schemes.
Decode Morse code from microphone input. Practice sending codes and check accuracy. Adjust signal strength and speed for better decoding. Sync with 5-10 characters for accurate timing.
Collect and edit text across Mac, iPhone, iPad, and Apple Watch. Organize notes with color-coded dots. Switch between dark and light mode. Minimize interface clutter with simple formatting tools. Sync text across devices seamlessly.
Study questions, track progress, prepare for exams
Review and practice questions from the Question Pool effective July 1, 2023. Access practice exams, track progress, and prepare for Amateur Radio License exams. Upgrade from Technician to license within the .
Learn and practice code with modes for beginners and professionals. Practice listening comprehension and alphabet character recognition. Create text archives for classroom dictation exercises. Transmit LED-coded messages for encrypted communication.