A calm daily practice for everyday sharpness.
Five curated games, about five minutes, at the difficulty you choose. Fully
offline.
YOUR DAILY WORKOUT
One tap starts a five-game session built for you — about five minutes, no
repeated games, and it runs at the difficulty level you pick. When it ends,
you are done. Nothing nags you to keep going.
NINE ADAPTIVE GAMES, THREE AREAS
• Memory — Matrix Recall, Pattern Focus, Path Memory, Number Flow, Emoji
Match, Reverse Recall
• Attention & Speed — Matrix Scan
• Numbers — Rapid Math (with +, −, ×, and ÷ that unlock as you level up)
and Set Shift
Every game has its own adaptive staircase: succeed and it steps up, slip and
it eases off. Four difficulty tiers, Novice to Expert, unlock as your
performance earns them.
CALM BY DESIGN
Memory games are untimed. You complete each board at your own pace — no
countdown ticking over your shoulder. Sessions are short and self-contained,
so QZBrain fits into your day instead of taking it over.
ONE HONEST SCORE
NeuroIndex condenses each session into a single number from 100 to 999,
built from your speed, accuracy, consistency, and the level you reached. It
measures your progress in these games — it is not an IQ score and not a
clinical measure, and we will never pretend otherwise.
SEE YOUR PROGRESS
The Insight tab keeps the picture simple: a 30-day average, your weekly
trend, a per-game breakdown, and the Milestones you have earned. Personal
bests are tracked for every game.
ARCADE MODE
When you want a looser run, Arcade is survival play: keep the clock alive as
long as you can and chase your best run. It stays separate from your
training history.
YOURS, QUIETLY
• Fully offline — train anywhere, no connection needed
• Light, dark, or system appearance, plus three themes
• Available in 11 languages
FREE AND PLUS
Free, always: the daily workout, four practice games, two arcade games, and
the default theme. QZBrain Plus — monthly, yearly, or a one-time lifetime
purchase — unlocks the full game library, every arcade game, advanced
Insight analytics, targeted coaching tips, and extra themes.
QZBrain is a general wellness product for everyday cognitive exercise and
entertainment. It is not a medical device and is not intended to diagnose,
treat, cure, or prevent any condition. Scores are training feedback, not
clinical or IQ assessments.
QZBrain Plus is an auto-renewing subscription, available monthly or yearly (a
one-time lifetime purchase is also offered). Payment is charged to your Apple ID
at purchase confirmation. A subscription renews automatically for the same period
and price unless it is cancelled at least 24 hours before the end of the current
period; you can manage or cancel it anytime in your App Store account settings.
Terms of Use (EULA): https://qzbrain.app/terms
Privacy Policy: https://qzbrain.app/privacy
