Learn Kolam vs FrankenSim

Learn Kolam is a course, not a rangoli sketchpad. The first screen is today's lesson: a Tamil name, why that kolam is drawn at the door, the pulli count, and Learn Step-by-Step. There is no Create tab and no freehand studio until you finish one guided lesson. Home is the course — coming lessons are listed under today, not a pattern gallery. Each lesson places the dots, then asks you to trace. The check is kind, not a quiz. After that first lesson, you can keep the line, decorate with rice powder, flowers, and diyas, and save on this device. • First launch = today's lesson only • Festival-aware course (Pongal, Deepavali, Onam, or the everyday threshold kolam) • Tamil and English names on every pattern • Guided tracing on a pulli grid • Pulli, sikku, Pongal pot, Onam pookalam, and more (16 original geometries) • Studio unlocks after one completed lesson • 21 languages • Save and share from an on-device gallery — no account Artwork stays on your device. A banner sits on the main tabs, and a full-screen ad may appear after you finish a lesson. After a few completed designs, Apple's in-app rating card may appear; you can also rate from Profile. Works on iPhone (portrait) and iPad (portrait and landscape).

Carry a working numerical laboratory on your iPhone, iPad, or Mac. FrankenSim contains forty-three native experiments drawn from the FrankenSim Rust workspace. Each one runs a real local kernel and pairs the result with an interactive visualization and a concise account of what was computed. Explore heat diffusion, spectral waves, Lorenz dynamics, Gray-Scott reaction diffusion, fluid flow, smoke, topology optimization, signed-distance geometry, isosurfaces, Gaussian-process optimization, randomized linear algebra, symplectic orbits, computational geometry, interval-certified fractals, and more. The library is organized from foundations through deep experiments, end-to-end campaigns, and three larger flagships. Evidence labels distinguish a computed result from an illustration, approximation, bound, or certified conclusion. The theory atlas explains the equations and numerical ideas behind the displays. Every experiment runs on the device. FrankenSim has no account, advertising, tracking, cloud compute, or required network connection.