# Dual N-Back - Eliteviber — Brain Training & Memory

> Brain Training & Memory (iPhone/iPad app by FARUQ BATULA.)

- Source: https://appshunter.io/ios/app/dual-n-back-eliteviber/id6785411605 (this page in markdown: same URL + `.md`)
- Developer: [FARUQ BATULA](https://appshunter.io/developer/6782611713)
- Category: Health & Fitness, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16 · 1 MB
- Languages: American English
- Released: 2026-07-02
- Data updated: 2026-07-28
- User reviews in markdown: https://appshunter.io/ios/app/dual-n-back-eliteviber/id6785411605/reviews.md

## What is Dual N?

Elite Viber is a science-backed Dual N-Back brain training app designed for people who take their cognitive performance seriously.

Dual N-Back is one of the most researched cognitive training methods in existence. Studies suggest consistent practice improves working memory — your brain's ability to hold and process information in real time — which underpins focus, problem solving and fluid intelligence.

HOW IT WORKS

A 3x3 grid lights up and a letter is spoken aloud each round. Your job is to remember both the position and the letter from N turns back. When the current position or letter matches what appeared N turns ago, tap the corresponding button.

Simple to learn. Genuinely challenging to master.

WHAT MAKES ELITE VIBER DIFFERENT

Most Dual N-Back apps have a flawed algorithm — once a cell lights up, it appears again more than it should, making the game feel repetitive and defeating the scientific purpose. Elite Viber uses a mathematically correct sequence generator with pre-planned match rates, true uniform cell distribution and anti-lure protection. Every session is a fair, genuine cognitive workout.

FEATURES

— Dual N-Back at N-2 level
— Mathematically fair sequence algorithm
— Real-time Position and Sound accuracy tracking
— Full session results with combined score
— Round-by-round detailed history
— Correct, incorrect and missed breakdown
— Daily training streak tracking
— Personalised daily reminders
— Silent mode for training anywhere
— Haptic feedback
— Export your session history
— Built for all modern iPhones

BUILT FOR INTELLIGENCE

Elite Viber is not a game. It is a training tool. No ads. No distractions. No gimmicks. Just clean, focused cognitive training every day.

Start your first session today.

Terms of Use (EULA): https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

## Pricing and in-app purchases

Base price: Free.

**Subscriptions**

| Subscription | Price | Period |
| --- | --- | --- |
| Elite Viber Pro — Monthly | $1.99 | per month |
| Elite Viber Pro — Yearly | $11.99 | per year |

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Elite Viber Pro — Lifetime | $19.99 | one-time |



## Version history (last 3 releases)

### 1.2 — 2026-07-15

• Light mode — choose Light, Dark, or match your system.
• Accessibility feature unlocked.
• Bug fixes.

### 1.1 — 2026-07-08

◆ New Levels have been included.
◆ Plus bug fixes and performance improvements.

### 1.0 — 2026-07-02

No release notes.

## More apps by FARUQ BATULA

- [Reroll: Life Simulator](https://appshunter.io/ios/app/reroll-life-simulator/id6791719417)

All apps by FARUQ BATULA: https://appshunter.io/developer/6782611713

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*Data collected daily from the US App Store and indexed by [AppsHunter](https://appshunter.io/). User reviews are verbatim App Store reviews. Ratings, prices and chart positions refresh continuously; this snapshot is from 2026-07-28.*