Learn and practice Morse Code by touching the screen to generate tones. Adjust tone frequency from 300 Hz to 1200 Hz and control volume. Send dots with short touches and dashes with longer holds.
by Ronald Nicholson★ 4.528 ratingsEducationFreeData updated 2026-09-08
Convert text to and decode incoming signals. Share decoded messages. the alphabet through interactive lessons and exercises. Track progress with daily practice. Test skills with quizzes and audio pattern recognition.
The app provides tools for amateur radio operators and RF hobbyists. It offers antenna-length calculators, frequency-to-wavelength conversion, VSWR and ERP calculators, and signal utilities for DTMF and Morse code.
Convert text to and vice versa. Transmit via flashlight, screen blinking, vibration, and sound. Receive and decode input. Share converted messages directly.
A that uses the device's LED or screen for lighting. Adjust brightness and color settings. Access S.O.S. signals with audio tones. Use emergency mode with flashing colors and a siren. Enable strobe effects with adjustable flash rates.
Convert text to and vice versa. Send and receive signals using front or rear light sources. Toggle manual light signals for instant SOS alerts. View signal patterns and practice encoding.
Decode code audio into text. Display audio spectrum and tone amplitude graphs. Adjust narrow band audio filter between 400-1600 Hz. Set WPM speed for dot/dash detection. Configure tone frequency thresholds. Export decoded text.
The app increases Morse code copying speed by sending random callsigns at a selected speed and frequency. It provides visual feedback on correct and incorrect answers, showing the user's percentage of correct responses.
Send distress signals via using a keyboard or pre-set SOS sequence. Transmit signals through iOS device audio. Translate text to and vice versa. Access emergency communication features with one-touch activation.
Access codebreaking tools like decoder rings and countdown timers. View reference material on word frequency, morse code, and semaphore. Includes links to hunts, ARGs, and transmedia storytelling resources. Supports iOS 7.
Provides detailed for game maps, including screenshots and buildable content. Features side quests, item updates, and community voting on maps. Allows users to track progress and access comprehensive gameplay instructions.