Showing 321–340 of 1,000 ranked alternatives.
Forwa Elade Wunde
Identify with AI
Identify using an AI model. Test knowledge with 2000+ . Earn 5 points per correct answer, lose 3 for incorrect ones. Retake levels to improve score. Track progress through levels requiring 25 points to advance.
NASA
Explore space research and science discoveries
Manage space research funding by selecting projects and tracking their progress. View real-time data from the International Space Station. Access educational content about microgravity experiments and their Earthly applications.
Anders Peter Amsnaes
Match cards and learn numbers 1–20
Teaches numbers 1 to 20 through matching card games. Flipping cards reveals numbers and plays them aloud. Encourages pattern recognition and concentration. Suitable for children aged 3 to 10.
Raghu Srinivas
Engineering concepts on the go.
The app provides engineering concepts, including materials, numbers, mechanics, and components. Users can view formulas and calculate values for various engineering applications.
Monte L Helm
Calculate pH, pOH, [H⁺], and [OH⁻]
Calculate pH, pOH, [H⁺], or [OH⁻] from any one value. Input concentration or ion activity to solve for missing variables. Automatically handles strong and weak acids/bases using provided Ka or Kb values.
Carolina Biological Supply
Build atoms, ions, and
Build atoms, ions, and by adjusting protons, neutrons, and electrons. Access atomic theory information and an interactive periodic table. Learn about element composition and historical atomic theory.
Apps are ranked by functional similarity, category fit, rating confidence, and popularity.