Explore the night sky with three perspectives: sky, Earth, and solar system. View star maps, constellations, and celestial events. Use augmented reality for interactive exploration. Display high-resolution Earth globe and solar system models.
Access instant translation between English and French. Search for words in either language. Includes over 100,000 entries. Features offline functionality. Provides pronunciation for words in both languages.
The app provides definitions, pronunciations, and related words for 140,000 entries. It includes features for memorization, quick access to searched words, and revision of recent searches.
View with GPS-based calculations. Track Shabbat candle lighting, weekly parashah, chagim, and daf yomi. Set daily reminders based on . Print beautiful schedules for shul or home. Customize over 100 calculations.
Access modules with in- purchases. Download free modules via the "+ Modules" tab. View module prices and download for free during the limited-time offer. Receive continuous updates with new modules based on user requests.
Explore thought experiments and philosophical dilemmas in science and society. Read concise explanations of paradoxes and theoretical scenarios. Reflect on complex ideas through structured text summaries.
Read and annotate digital books with highlighting and notes. Search for specific text within books. Organize and manage a personal library. Sync reading progress across devices. Share annotated pages with others.
Record and listen to ultrasonic bat calls using the 2 Pro module. Identify bat species based on echolocation patterns. View call details and save recordings. Sync data with a companion for analysis and sharing.
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.
Track Formula 1 driver and constructor standings after each race. Access latest news and updates from multiple sources. Compare drivers' performance. View historical points data for drivers.