Showing 421–440 of 1,000 ranked alternatives.
Brian Enigma
Solve puzzles, track clues, decode codes
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.
Maxim Lukyanenko
Look up IMO phrases and maritime rules
Provides access to IMO phrases, MARPOL convention details, and flags of state. It includes ColReg-72 regulations, IALA system descriptions, and ICS signals with flags, phonetic alphabet, and Morse code.
Martian Technologies LLC
Verify profiles, detect red flags, confirm truth
Verify dating profiles by uploading images and scanning for red flags using an advanced algorithm that cross-references billions of online records. Alert users to potential scams and fake profiles before engaging further.
Sierra Chica Software SL
Learn country locations and flags
Learn by identifying countries, provinces, and flags on interactive maps. Take quizzes to test knowledge. Receive instant feedback and track progress over time. Sync data across devices for continued learning.
贤安 陈
Search countries and view facts
Access detailed country profiles including history, government, economy, geography, and communications. Search for specific countries or regions. Compare data across entities. Download reports and save information for offline use.
Evgenii Viushkov
Study with maps and flags
Learn about Germany's 16 federal states with maps, emblems, and capitals. Test knowledge through modes including map identification, emblem recognition, and capital guessing. Study information in a tabular format for organized review.
Chien-Yuan Chen
Explore the world with flags.
The app displays a 3D globe with 249 countries and 50 USA states. It offers gesture control for browsing, linking to Wikipedia, and displaying realistic flags.
Andrey Solovyev
Learn with quizzes and timed challenges
Learn Japanese with spelling quizzes, multiple-choice questions, and a time-based game mode. Test knowledge of names, locations, capitals, and flags. Access a list of all 47 . Available in English, Japanese, and 3 other languages.
Bharath Kumar Varikoti
Quiz and test your knowledge
Learn US geography through interactive quizzes and state exploration. Test knowledge with multiple-choice questions and map-based challenges. Track progress across regions and . Review state facts, , and landmarks.
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