NBack: Boost IQ
eric cesar Health & Fitness iPhoneiPadiPod touch
NBack: Boost IQ is a free Health & Fitness app for iPhone and iPad by eric cesar. Rated 5.0/5 from 1 ratings. Requires iOS 15.1. Updated January 9, 2026.
- Rating
- 5.0
- 1 ratings
- Price
- Free
- on the App Store
- Size
- 44 MB
- Age 4+
- Updated
- Jan 9
- 2026 · v1.0.3
Screenshots
About NBack: Boost IQ
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/
What’s new
Version 1.0.3 · Updated January 9, 2026
Performances improvement
App privacy
The developer, eric cesar, reported these privacy practices to Apple.
Data Not Collected
The developer does not collect any data from this app.
Alternatives to NBack: Boost IQ
Looking for apps like NBack: Boost IQ? Here are 6 similar apps on the App Store. The highest rated is Span N-Back (5.0/5), and all 6 are free to download.
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Span N-Back
5.0
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Ascend: Brain Training & IQ
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Dual N-Back by N-Back Lab
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SynapseGym: Brain Test & Focus
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Cognitive & Mental Training
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Recall: Memory
| App | Rating | Price | Last updated | Compare |
|---|---|---|---|---|
| NBack: Boost IQ | 5.0 / 5 (1 rating) | Free | January 9, 2026 | |
| Span N-Back | 5.0 / 5 (1) | Free | Jan 12, 2026 | Compare |
| Ascend: Brain Training & IQ | – | Free | Dec 24, 2025 | Compare |
| Dual N-Back by N-Back Lab | – | Free | Sep 21, 2026 | Compare |
| SynapseGym: Brain Test & Focus | – | Free | Oct 12, 2026 | Compare |
| Cognitive & Mental Training | – | Free | Aug 15, 2026 | Compare |
| Recall: Memory | – | Free | Aug 15, 2026 | Compare |
Compare NBack: Boost IQ with the top alternatives: ratings, updates, ASO score and keyword gaps →