A calm daily workout for your mind. QZBrain is minimalist brain training — memory games, attention drills, and mental math that adapt to you. No streak guilt, no noise, no account. Just a quiet, focused way to practice the skills you use every day: remembering, noticing, and working with numbers. THE 5-MINUTE DAILY WORKOUT One tap starts a curated session: 5 games, about 5 minutes, no repeats — and it runs at the difficulty you choose. The daily workout is free, always. 9 ADAPTIVE BRAIN GAMES IN 3 AREAS MEMORY Matrix Recall, Pattern Focus, Path Memory, Number Flow, Emoji Match, and Reverse Recall. Memory games are untimed "complete the set" boards — no countdown, calm by design. ATTENTION & SPEED Matrix Scan — quick visual scanning to sharpen focus and attention. NUMBERS Rapid Math — mental math practice where +, −, × and ÷ unlock as you level up. Set Shift — a rule-switching logic puzzle that keeps your thinking flexible. ADAPTIVE BY DESIGN Cognitive training only works when it meets you at your level. Every game adjusts its difficulty to your performance, step by step. Four tiers — Novice to Expert — unlock through real play, so a session is always challenging, never crushing. ONE HONEST SCORE NeuroIndex (100–999) blends speed, accuracy, consistency, and the level you reach. It measures your own practice in these games — nothing more, and we will never pretend otherwise. INSIGHT, NOT NOISE • 30-day average and weekly trend • Per-game breakdown and personal bests • Milestones earned through real performance ARCADE MODE Survival runs with best-run tracking, kept separate from your training progress. A quick high-score chase when you want one. PRIVATE AND OFFLINE • Works fully offline — train anywhere • No account needed; your data stays on your device • Light, dark, or system appearance, plus 3 themes • Available in 11 languages FREE AND PLUS Free: the daily workout (always), 4 practice games, 2 arcade games, and the default theme. QZBrain Plus — monthly, yearly, or one-time lifetime — unlocks the full game library, all arcade games, advanced insight analytics, targeted coaching tips, and extra themes. Five quiet minutes a day. That's the whole ask. QZBrain is a general wellness product for everyday cognitive exercise and entertainment. It is not a medical device and does not diagnose, treat, cure, or prevent any condition. Scores reflect your practice in the app, not clinical or psychometric measures.