经典获奖绘本-亲子教育讲故事软件

The N-Back Challenge isn’t just a game.

It’s a scientifically validated cognitive upgrade —
 engineered to boost your IQ in just 7 hours total.
Built on Research.
Designed for Results.
 Forget brain-training fluff.

This is dual n-back — the only method proven to actually increase fluid intelligence, with results published in New York Times, The Wall Street Journal and other top journals.
But here’s the truth:
 It’s brutal. It’s exhausting. It works.

If you can complete 20 sessions, you may unlock:

• Sharper memory

• Faster learning

• Enhanced problem-solving

• Stronger focus under pressure

Track your progress.

See real gains — backed by data.

All within a beautifully designed, customizable experience.
This is not for everyone.
 But if you’re hungry to evolve,
The Challenge awaits.

This app is only available in English.
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