Polyglot vs QM Simulator

Polyglot helps you learn several languages at the same time, all on your device and all private. Most apps make you pick one language and follow one rigid path. Polyglot is built for people who want more. Study Spanish, French, Japanese, Korean, English and more side by side, with tools that adapt to you. WHY POLYGLOT - Learn many languages at once, with a color for each one so they never blur together. - Smart flashcards use proven spaced repetition so you review at the right moment. - A private, on-device AI tutor builds lessons, quizzes and conversations for any topic you pick. - Fast, friendly games turn daily practice into a habit. - Speak out loud and get instant pronunciation feedback. - Translate in a tap and save anything as a flashcard. - Your data stays on your device. No account required. SMART FLASHCARDS Polyglot schedules every card with a modern spaced repetition engine, so you spend time on the words you are about to forget and breeze past the ones you know. Each card has an example sentence and pronunciation, with text to speech in a single tap. Add a word from Home and its meaning fills itself in on your device. AN AI TUTOR IN YOUR POCKET Type any topic, like ordering food or a job interview, and Polyglot writes a focused lesson with vocabulary, useful phrases, a short overview and a tip, at the level you choose. Add the new words to your flashcards in one tap. Chat freely and get gentle, in context corrections, or take a fresh AI quiz made just for you. It runs on device, with Apple Intelligence or a model you can download, so your practice stays private. GAMES THAT MAKE IT STICK - Polyglot Match: find one word in every language you are learning. - Match Pairs: link words with their meanings. - Fill the Blank: complete the missing word. - Build the Sentence: arrange word tiles into real sentences. - Listen and Choose: train your ear. - Say It: speak the phrase and get scored. - Handwriting: practice kana, hangul and characters. Mix all of your languages in one session to get sharp at telling them apart. TRANSLATE ANYWHERE Quick Translate remembers your language pair, keeps your recent translations and turns any result into a flashcard. Choose Apple Translation or a downloadable model that works fully offline. SEE YOUR PROGRESS Track reviews, sessions and streaks. A clean chart and calendar show your activity at a glance, a mastery bar shows how far you have come in each language, and achievements celebrate the milestones. WORKS WHERE YOU ARE - Widgets for your Home Screen and StandBy, plus a control to start a review from Control Center or the Lock Screen. - Siri and Shortcuts: add a word, translate or open a deck by voice. - Made for iPhone Duo: cards open like a textbook, tabletop mode gives hands-free speaking drills, and the cover screen keeps your streak alive. - Great on iPad too. PRIVATE BY DESIGN Polyglot works without an account and keeps your learning on your device. Optional iCloud sync keeps your cards in step across your iPhone and iPad. LANGUAGES Learn Spanish, French, German, Italian, Portuguese, Japanese, Chinese, Korean and English. The app itself is available in 16 languages, so lessons and meanings are explained in the language you already know. Start today. Pick your languages, set a daily goal, and build your streak.

QM Simulator is a hands-on quantum physics atlas: 54 interactive simulation modules spanning the full arc from quantum foundations to quantum information, paired with 47 bilingual articles. Every computation and rendering happens on your device — no network, no sign-up. WHAT YOU CAN DO • Play with parameters: adjust slit spacing, raise a potential barrier, tune cavity coupling — every chart recomputes in real time. • Learn by level: Basics → Advanced (perturbation, degeneracy, radiation) → Topics (Bell inequalities, quantum error correction, Grover's algorithm), from high-school extension to university QM. • Read linked notes: each article is tied to its simulation, with formulas and figures side by side — switch between Chinese and English anytime. • Explore freely: Bloch sphere, hydrogen wavefunctions, blackbody radiation, Compton scattering, Kronig–Penney, BB84 quantum key distribution — from Planck's 1900 hypothesis to today's quantum computing. WHO IT'S FOR • Physics students: turn textbook formulas into images you can see and manipulate. • Educators & researchers: validate intuitions and demonstrate in class. • The curious: no derivation skills needed — dial the parameters and build quantum intuition. HIGHLIGHTS • 54 simulation modules, all driven by real physics computation (not pre-baked animations). • 47 in-depth articles, fully bilingual, with figures and code. • Fully offline: no ads, no purchases, no tracking, no account required. • Chinese & English UI, follows system language. Educational use: QM Simulator works as a lecture-demonstration companion for quantum mechanics courses.