NBack: Boost IQ
Train Focus, Brain & Recall
Free · In‑App Purchases · Designed for iPad
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.
Privacy Policy: https://boostiq.app/privacypolicy.html
Terms of Use: https://www.apple.com/legal/internet-services/itunes/dev/stdeula/
Ratings & Reviews
Performances improvement
The developer, eric cesar, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy .
Data Not Collected
The developer does not collect any data from this app.
Accessibility
The developer has not yet indicated which accessibility features this app supports. Learn More
Information
- Seller
- eric cesar
- Size
- 46.6 MB
- Category
- Health & Fitness
- Compatibility
Requires iOS 15.1 or later.
- iPhone
Requires iOS 15.1 or later. - iPad
Requires iPadOS 15.1 or later. - iPod touch
Requires iOS 15.1 or later. - Mac
Requires macOS 12.0 or later and a Mac with Apple M1 chip or later. - Apple Vision
Requires visionOS 1.0 or later.
- Languages
- English
- Age Rating
4+
- 4+
- In-App Purchases
Yes
- Monthly membership $1.99
- Yearly membership $14.99
- Copyright
- © 2025 BoostIQ.app