Flags and Capitals
xcentric systems
Explore , , and distances
Explore 3D flag models and view corresponding capital cities on interactive maps. Check distances between locations. Access Wikipedia information with a tap.
Showing 21–40 of 1,000 ranked alternatives.
xcentric systems
Explore , , and distances
Explore 3D flag models and view corresponding capital cities on interactive maps. Check distances between locations. Access Wikipedia information with a tap.
Piet Jonas
Guess capitals, adjust difficulty, review mistakes
Test your knowledge by naming U.S. state capitals. Adjust difficulty by selecting the number of capitals to choose from. Incorrect answers are listed with Wikipedia links for quick reference.
Sonya Marcarelli
Create molecular formulas and copy element data
Access chemical element data including atomic number, symbol, and properties. Select and copy element details. Create molecular formulas by long-pressing symbols. Calculate molecular mass. Link to Wikipedia pages for additional information.
ILHWAN CHO
Search all Spanish dictionaries at once.
The app searches multiple Spanish dictionaries simultaneously. It includes resources for definitions, synonyms, and conjugations from various sources.
Piet Jonas
Identify world countries on maps.
The app tests users' knowledge of world countries on a map. Users can select different regions and adjust difficulty by the number of answer choices.
ILHWAN CHO
Search words across multiple dictionaries
Search for words across multiple dictionaries including Urban , .com, and Oxford . View definitions, synonyms, and etymology. Track vocabulary progress with preloaded word lists for SAT, GRE, and TOEIC. Save search history and review word details.
Jianfeng Wu
Explore heritage sites and learn history
Explore historical and cultural sites worldwide through interactive maps and virtual tours. View high-resolution images and detailed information about landmarks. Access educational content sourced from Wikipedia under CC BY-SA 3.0 license.
Know What's In Your Box, LLC
Lock your phone with a baby-friendly home
Locks phone into a child-friendly interface with a virtual dialer, Baby Wikipedia, phonetic alphabet, and social feed. Includes animal sounds, nature pictures, and kids' videos for entertainment. Prevents unauthorized access to other apps.
David Domenech
Play games, compete globally, and track rankings
Play in English or Spanish. Choose from Random Challenge, Level Progression, or Speed Race modes. Compete globally to rank as the fastest navigator. Edit and navigate Wikipedia pages with a modern, colorful interface.
Marco Avizzano
Search elements by name, symbol, or number
Access periodic table for elements, search by name, symbol, or atomic number. View Wikipedia links for each element. Examine periodic table layouts. Balance chemical reaction equations.
Le Minh Nguyen
Check dates, find birthdays, explore
View historical , birthdays, and deaths with detailed entries. Access offline data with links to Wikipedia for additional information. Navigate the calendar to jump to any date quickly.
Cem ilman
Search, speak, and listen
Allows users to search for topics and listen to content in 9 languages. It uses speech recognition to process user input and text-to-speech to read content aloud. Users can access knowledge on the go while driving, cooking, or jogging.
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