Nautlius vs EarthPhase

Nautilus is an engineering and STEM toolbox for students and professionals. Features: - Engineering Calculators: Choose from hundreds of equations and subjects for quick calculations - Free Body Diagrams: Quickly copy and paste free body diagrams with calculated values - Property Lookup: Easily find values from tables and properties - Simulations: Run your own simulations for various experiments - Unit Conversion: Convert between hundreds of units Nautilus does not contain any subscriptions or in-app purchases.

EarthPhase is your personal, beautifully designed pocket solar system, with all features completely free. Built with a stunning matte, low-key aesthetic, it brings the exact state of the solar system directly to your device. Whether you are an astronomy enthusiast or simply love a clean, minimalist Home Screen, EarthPhase tracks the cosmos in real-time. WIDGET SUITE Never miss a cosmic event. EarthPhase offers a variety of widgets designed to blend seamlessly with your custom setups: Home Screen Trackers: Keep an eye on the current Moon and Earth phases with perfectly rendered, dynamic icons. Lock Screen Data: Add circular planet icons or detailed rectangular widgets that display the exact live illumination percentage of the Moon or Earth right below your clock. Live Solar System: Place a dynamic map of the inner and outer planets on your Home Screen, available in multiple sizes. INTERACTIVE SOLAR SYSTEM Dive into the app to explore a highly accurate, interactive schematic of our solar system. Tap any planet to zoom in on its specific orbit, view its position relative to the Sun, and explore its major moons. TIME TRAVEL SLIDER Wondering what the moon phase was on the day you were born? Or when the next supermoon will happen? Use the precision control panel to scrub backward and forward through time. The entire solar system and moon phase engine will smoothly animate to reflect the exact celestial state of any date and time you choose. DISCOVER THE COSMOS Expand your knowledge with a massive library of scientifically accurate, lesser-known facts. Learn about the bizarre orbital mechanics of Jupiter's outer moons, the metal snow on Venus, or the true scale of the Martian canyons.