Krumbit vs Numina

Learn something useful every time you scroll. Krumbit is a microlearning app that turns short-form scrolling into short-form learning. Watch quick video lessons on science, health, history, and everyday facts, then take a fast quiz to lock in what you just learned. Built for people who love the pace of short videos but want something smarter, Krumbit helps you build a better habit without giving up the format you already enjoy. Whether you are on your commute, taking a quick break, or winding down at night, you can make real progress in minutes. What you can do in Krumbit: Watch bite-sized video lessons Take quick quizzes after each lesson Build a daily streak and track your progress Explore science, health, history, and everyday facts Send feedback directly in the app and help shape the product Krumbit makes scrolling feel productive: fast, visual, and actually useful. Download Krumbit and turn your scrolling habit into a learning habit.

Most people pull out their phone the second numbers appear. Numina trains you not to need it. Numina is a mental math training system designed to make calculation fast, automatic, and genuinely useful in real life. You learn the same kinds of techniques used by mental calculators — then train them until they feel effortless. Not school math. Speed math. Real mental performance. WHAT YOU’LL BE ABLE TO DO • Multiply large numbers in your head • Solve calculations faster than people using calculators • Instantly square numbers • Estimate quickly in everyday situations • Think through numbers without freezing or guessing • Build real calculation reflexes through repetition and drills And because the training is built like a skill game, you actually want to keep improving. HOW NUMINA WORKS Learn the technique → Train it immediately → Build automatic speed Every lesson connects directly to drills and gamemodes designed around one specific skill. You don’t just watch explanations — you use the technique right away until it becomes natural. Most lessons take under 5 minutes. You feel yourself getting faster almost immediately. — — — WHAT’S INSIDE • 350+ lessons and training modes • Mental math techniques schools never teach • Speed drills built around automaticity and reflexes • Calculator Challenge — race against a real calculator • Numina Rating (NR) — track your actual skill level • Progress tracking with speed and accuracy history • Structured collections for Business, Engineering, Finance, Science, Trades, and more — — — FREE VS PRO The free version gives you real techniques that already feel impressive. PRO unlocks the full training system: advanced methods, deeper drills, structured progression, performance tracking, and the complete path toward elite-level calculation ability. — — — This isn’t about being “good at math.” It’s about becoming fast. Start your first session in under a minute. Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/ Privacy Policy: https://numinamath.co/privacy