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.
by Mark Wong★ 4.431 ratingsUtilitiesFreeData updated 2026-09-26
Translate text to code and back using visual, audio, or haptic feedback. Convert between text and code instantly. Practice with interactive lessons and quizzes. Track progress and review lessons for mastery.
A that activates the device's flash when the icon is tapped. Users can turn the light on and off manually. The provides a simple interface without additional features. Prolonged use may significantly impact battery life.
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 teaches Morse Code and Flag Semaphore. Users can practice deciphering messages and adjust the speed of delivery for Morse Code and Flag Semaphore.
Allows users to zoom in on small text, numbers, and details using the iPhone’s front or rear camera. Users can adjust zoom via a dragable bar. The includes a built-in flashlight that can be toggled on or off.
The app provides tools for geocaching, including coordinate guidance, projection, and distance calculations. It also offers various encoding and decoding tools, interactive data tables, and unit converters for different measurements.
Provides a bright, adjustable with variable brightness and blinking speed. Activates instantly with a single tap. Uses the device's built-in flash and full screen as light sources. Free to use.
QR codes by aligning them in the camera view. Tap to open URLs in Safari or copy text to the clipboard. Duplicate QR business cards to contacts. Supports quick and accurate scanning with iOS technology.
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.