Learn maritime with interactive quizzes and detailed flag information. Test knowledge with randomized questions. View Morse code signals using the phone’s flashlight. Track progress and identify areas for improvement through analytics.
by Stanislav Cekunov★ 4.810 ratingsEducationFreeData updated 2026-09-06
Learn national and with interactive quizzes. Answer questions about country details. Access fun levels from Trainee to Legend. Receive hints during gameplay. Play offline without internet. Includes interesting facts about and .
Test knowledge, learn geography, compete with players
Test geography knowledge with country flags, capitals, and locations. Play against other players online. Learn about countries and improve knowledge through quizzes. Track progress and compete in real-time matches.
Learn U.S. geography through multiple choice quizzes, true or false challenges, word scrambles, and competitive challenge mode. Test knowledge on and . Unlock premium content with coins or ads. Track progress and compete with friends.
Translate text to with customizable speed and color. Send messages via email. Supports letters, numbers, and special characters. Blink iPhone light to transmit signals.
Teach children to recognize letters through interactive gameplay. Tap to throw balls and knock down cans labeled with alphabet letters. Receive audio pronunciation and visual feedback for each letter.
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 .
Test your geography knowledge with quizzes on countries, US states, capitals, and landmarks. Answer multiple-choice questions, earn points, and track progress. Compete against friends or play solo. Share scores and view detailed results.
Learn morse code using the Method, which trains reflexes at 20 WPM. Practice with customizable speed settings. Track progress with repetition and accuracy metrics. Receive feedback on correct and incorrect responses. Export progress reports.
Learn geography by identifying countries, capitals, flags, emblems, currencies, and cities. Play quizzes in flag mode, capital mode, and elimination mode. Test knowledge and track progress through interactive challenges.
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.
The app provides tools for geocaching, including coordinate manipulation, cipher decoding, and interactive data tables. It offers various coordinate conversions and map interface options.
Learn through interactive map games and multiple choice quizzes. Identify countries, U.S. states, flags, and capitals by tapping map regions or answering questions. Challenge friends or practice alone.
Study for the COCN® with 200+ practice questions featuring detailed explanations and references. Build custom quizzes by topic. Track progress and flag weak areas for focused review.
Display custom messages on the screen to communicate in noisy environments. Send short, visible alerts to others nearby. Create and share messages, set Morse Code displays, and play a built-in game.
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.
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.