Learn Morse code by repelling invaders through correct input. Increase speed as levels progress. Eliminate multiple invaders at once for higher scores. Receive penalties for errors. Game ends when invaders fill the screen.
Decode Morse code audio into text using microphone or headset input. Automatically translate signals or manually adjust settings for weak signals. Control filter frequency, WPM speed, and background noise threshold.
Record and modify with real-time sound effects and reverberation. Change gender, apply filters, and loop playback. Capture and replay altered audio without manual recording.
The app offers a powerful pocket torch with seven operation modes. It can send and decode Morse messages using light or sound, and function as a distress-signalling device when phone calls are not possible.
The app provides tools for geocaching, including coordinate manipulation, cipher decoding, and interactive data tables. It offers various coordinate conversions and map interface options.
The app contains the full text of a bestselling survival book, optimized for iPhone. It includes videos, photo galleries, a Morse code device, a quiz, and a sun compass.
Enhance cognitive skills through matching . Practice peripheral vision to locate characters quickly. Improve speed reading and creativity with targeted exercises. Track progress and adjust difficulty levels.