View a 3D and rotate it using touch gestures. Zoom in and out with a pinch. Search for a country to navigate to it. Tap a country to display Wikipedia information.
by Alan Smith★ 2.5285 ratingsReferenceFreeData updated 2026-09-08
The app offers nearly 90 Polish words through 10 interactive lessons and activities. Engaging vocabulary reviews and fun animations reinforce learning, with games unlocked after lesson completion.
Learn basic vocabulary through interactive lessons on numbers, colors, and shapes. Engage with animated characters and auditory exercises. Reinforce learning with vocabulary games after each lesson review.
The app offers nearly 90 Romanian words through 10 interactive activities. Gus, a friendly owl, guides children through lessons on vocabulary, colors, and shapes with native audio and animations.
View moon phases using a 3D model of Earth-Moon-Sun system. Calculate phases based on orbital mechanics including inclination, distance, and libration. Display ephemeris data with detailed pages. Show current phase and location-based adjustments.
Explore locations, answer questions, and test knowledge
Explore through augmented reality by placing a 3D Earth model. Answer questions about countries, locations, and features in 8 game modes. Test knowledge across 3 difficulty levels. Name and identify geographical elements.
Calculate decayed activity using mCi or Bq units. View decay charts with tap-to-examine features and customizable input parameters. Save chart snapshots to camera roll. Estimate dose rates for isotopes as point sources at specified distances.
Learn basic vocabulary through interactive lessons on numbers, colors, and shapes. Complete visual and auditory exercises. Play vocabulary games after each lesson review. Explore animated stories with a friendly owl character.
The app offers nearly 90 Portuguese words through 10 interactive activities. Gus the owl guides children through lessons on vocabulary, with engaging reviews and games that reinforce learning.
The app offers nearly 90 Hebrew words through 10 interactive activities and lessons. Engaging vocabulary reviews and fun animations reinforce learning, with games unlocked after lesson completion.
Identify coins by taking two photos of the obverse and reverse. Access a global catalog of over 200,000 coins. View current , historical background, and physical details. Search for specific coins by country or era.