Physics Playgrounds vs Phyzix

Physics Playground is a hands-on science app with 102 interactive labs — from pendulums and black holes to rainbows, magnets and melting ice. Every lab is a live simulation you control with your finger, or with your hand in the air, so you can see how the world works instead of just reading about it. THREE WAYS TO EXPLORE • Explore — pick any lab and start playing. • Learning Journey — follow a short story one step at a time: Things that move, Light and sound, Earth and space. • Curiosity Lab — ask your own science question by typing or speaking and get a short, friendly answer. Tap "Draw it!" for a picture, save pictures to Photos, or have the answer read aloud. 102 LABS How the World Works (44 labs): Colour Mixer, Rainbow Spinner, Heavy or Light?, Drop Zone, Slide Race, Bouncy Balls and many more everyday science experiments Mechanics: Simple Pendulum, Projectile Motion, Elastic Collision, Spring Oscillator, Inclined Plane, Pulley System, Circular Motion and more Waves and Sound: Wave Interference, Doppler Effect, Standing Waves, Resonance Studio Light and Optics: Light Refraction, Light Reflection, Light Polarization, Rainbow Maker Electricity and Magnetism: Electric Field, Capacitor Charging, Circuit City, Magnet Maze, Electromagnetic Induction, Tesla Coil Heat and Matter: Gas Particles, Entropy & Disorder, Tiny Heat Engine, Crystal Builder, Phase Changer Quantum and Nuclear: Double Slit, Photoelectric Effect, Quantum Tunnel, Radioactive Decay, Nuclear Fission, Nuclear Fusion, Half-Life Detective Space and Relativity: Orbital Mechanics, Black Hole, Exoplanet Hunter, Relativity Rocket, Gravity Lens Earth and Energy: Tectonic Plates, Weather Balloon, Solar Grid, Wind Tunnel Fluids: Fluid Flow, Buoyancy, Vortex Lab HOW IT WORKS Touch the canvas to grab and interact with the simulation — there is no right or wrong way to explore. Adjust variables like gravity, mass, length and velocity with the built-in sliders and watch the results change instantly. For a hands-free experience, turn on the camera and control labs with your hand in the air. Hand tracking runs on your device — no images or video are stored or sent anywhere. CHALLENGES Every lab has a challenge that teaches the key idea behind it. Complete it to earn a star and track your progress across all 102 labs on the progress screen. REAL PHYSICS LAWS The simulations are built on real physics equations, and the app shows the governing laws so you can connect what you see to real formulas. ABOUT CURIOSITY LAB Answers and pictures are created by AI (Google's Gemini models) for learning and fun, and can sometimes be wrong. Every answer has a Report button, and questions are limited each day. Curiosity Lab asks for your permission before it shares a question with Google Gemini, and you can turn this off at any time in Privacy choices. WHO IS IT FOR Students, teachers and anyone curious about how the physics world works — from first questions to university physics. It makes an excellent companion to classroom learning, and no prior knowledge is needed. PRIVACY Play as a guest — no name or email needed. A grown-up can choose to sign in with Apple or Google to keep progress across devices, and can delete the account in the app at any time. You decide whether to share usage analytics. Camera processing happens entirely on your device. Privacy policy: https://physics-playground-24c5e.web.app/privacy Terms: https://physics-playground-24c5e.web.app/terms

Phyzix turns your phone into a complete, pocket-sized physics laboratory. Built on the sensors already inside your device, it gives students, teachers, makers and curious minds 100+ real instruments, interactive simulations, calculators and guided experiments - all running entirely on-device. No account. No ads. No internet required. Nothing you measure ever leaves your phone. MEASURE THE REAL WORLD Read live data straight from your device's sensors: - Sound & DSP: spectrum analyzer, oscilloscope, spectrogram, chromatic tuner, sound-level / decibel meter, noise dosimeter, pitch detector, VU meter - Motion & Inertia: accelerometer, G-force meter, gyroscope, bubble level, inclinometer, seismometer, vibration meter, step counter, free-fall & jump-height timer - Fields & Magnetism: magnetometer, compass, metal detector, EMF detector, magnetic dip & field-vector readouts - Environment: barometer, altimeter, variometer, weather-pressure trend - Light & Optics: lux light meter, exposure value (EV), foot-candle and daylight readouts - Navigation: GPS speedometer and heading SIMULATE THE PHYSICS Interactive, parameter-driven simulations you can tweak in real time: projectile motion, pendulums, waves and more - see how the equations actually behave. CALCULATE & CONVERT A full set of physics calculators plus a powerful unit converter for length, mass, force, energy, pressure, speed and beyond. LEARN & EXPERIMENT A built-in Learn hub explains the concept behind every instrument, and guided experiments (like the reaction-time test) turn your phone into a hands-on STEM activity. DESIGNED TO BE USED ANYWHERE - 9 languages: English, Spanish, French, German, Japanese, Chinese, Arabic, Vietnamese and more - Clean, modern interface with light & dark themes - A tool audit log so you can review your sessions and readings - 100% offline and private by design Whether you're teaching a class, checking a measurement, exploring how the world works, or just having fun with the science hiding inside your phone, Phyzix puts an entire lab in your pocket. Note: Available instruments depend on the sensors your specific device includes. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/