Boost IQ : Nback

eric cesar-petitjean

In-app purchases

About this app

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.