Showing 141–160 of 1,000 ranked alternatives.
Martin Tomas
Play quizzes and learn facts
Test knowledge with multiple-choice questions on mammals, birds, reptiles, amphibians, fish, molluscs, crustaceans, insects, and arachnids. Learn Latin names and classification. Track progress and review answers for accuracy.
Ion Brumaru
Learn about influential people's lives.
The app provides biographies and life events for influential figures. Users can explore accomplishments, major events, and share inspirational quotes from over 150 individuals.
INOVE, s.r.o.
Explore planets, track celestial events, simulate systems
Explore the with 3D models of planets, moons, and asteroids. Rotate and zoom objects for detailed views. Learn about celestial bodies through interactive encyclopedia entries.
Daniel Baczkowski
Play quizzes and track your progress
Test general knowledge across various subjects, learn about technology inventions and famous discoveries, and explore biographies of notable scientists. Answer multiple-choice questions, track scores, and compete with other players.
Genial LLC
Monitor space weather and receive alerts
Monitor activity and space weather events. Receive alerts for potential hazards. Track radiation levels and geomagnetic storms. Provide safety recommendations for travel and infrastructure.
ImagiRation LLC
Solve problems offline
Provides free exercises without ads or external contact. Features include a patented interface that reduces trial-and-error, no setup or registration, and offline functionality.
Voiijer Inc.
Stories, track adventures, connect with nature
Create and nature-based stories with photos, videos, and location tags. Connect with explorers, scientists, and enthusiasts. Track exploration progress and join community challenges. Discover field guides and scientific resources.
TLA Systems Ltd.
Calculate with advanced scientific functions
Perform complex calculations with support for hexadecimal, octal, and binary. Use RPN mode and multi-line display. Access unit conversions, constants, and scientific notation. View a paper tape and use multiple undo/redo functions.
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