# N-Back Hz — Dual N-Back Brain Training

> Dual N-Back Brain Training (iPhone/iPad app by Oskar Fransson.)

- Source: https://appshunter.io/ios/app/n-back-hz/id6761011363 (this page in markdown: same URL + `.md`)
- Developer: [Oskar Fransson](https://appshunter.io/developer/1887278788)
- Category: Health & Fitness, Education
- Price: Free with in-app purchases
- Age rating: 4+
- Requires: iOS 16.0 · 61 MB
- Languages: American English
- Released: 2026-04-27
- Data updated: 2026-09-07
- User reviews in markdown: https://appshunter.io/ios/app/n-back-hz/id6761011363/reviews.md

## What is N?

A dual n-back trainer built for performance. Precise audio-visual synchronization and instant feedback.

Train your working memory — the mental ability behind focus, learning, and problem-solving. N-Back Hz is designed for serious practitioners who want a fast, responsive, and deeply configurable training experience.

Built from the ground up, N-Back Hz delivers zero-lag stimulus timing that you can feel from your first session.

THREE WAYS TO PLAY
— Campaign — structured tracks across Beginner, Variants, Speed, Patience, and Endurance, each with leveled progression and perfect-run stars
— Daily Training — a focused routine with streaks, weekly progress, and a daily target
— Quick Play — pick an N and go, with full per-session control

ADAPTIVE SKILL RATING
An Elo-inspired rating system tracks your ability per configuration. Your first 10 blocks calibrate faster, then the system smoothly adjusts based on sustained performance — no jarring jumps from a single lucky or unlucky block.

DEEP STATISTICS
— Skill rating progression charts
— Reaction time histograms
— Position heat maps revealing spatial blind spots
— Per-session drill-down with trial-by-trial data
— Filter by game mode, pace, and stimulus duration
— Export all data as CSV

GAMIFICATION THAT REWARDS REAL TRAINING
— Daily streak with configurable Lenient or Strict mode
— Skill badges that unlock as you reach new tiers
— Weekly progress and training calendar in your Profile
— Best streak and lifetime stats at a glance

FULLY CONFIGURABLE
— 4 pace options (2.0s – 3.5s intervals)
— 3 stimulus durations (300ms, 500ms, 700ms)
— Customizable letter sets with male and female voices
— Independent Daily Training and Quick Play settings
— Haptic, visual, and audio feedback toggles
— Customizable accent colors and per-theme grid backgrounds with live preview
— Four themes tuned for different lighting: Dark, Matte, Black (true OLED), and Light

LEARN BY DOING
A built-in tutorial walks you through dual n-back with a guided demo and a hands-on practice block — no manual, no guesswork.

BUILT FOR FOCUS
— 120Hz ProMotion rendering
— Clean, distraction-free game interface
— No ads, no distractions

TRAIN FOR FREE
Play freely up to N=4 in Daily Training and Quick Play, plus the full Beginner and Variants Campaign tracks — enough to build real working-memory gains. Unlock the deeper levels and the Speed, Patience, and Endurance Campaign tracks with a single $4.99 purchase. No subscriptions, no ads, ever.

FULLY OFFLINE
No account required. No data leaves your device. Just open the app and train.

Part of the Levmeup ecosystem — a suite of precision brain and fitness training apps. Learn more at levmeup.com

## Pricing and in-app purchases

Base price: Free.

**One-time purchases**

| Purchase | Price | Type |
| --- | --- | --- |
| Unlock All Dual N-Back Levels | $4.99 | one-time |



## Version history (last 2 releases)

### 1.1.0 — 2026-05-03

— New Campaign mode with five tracks: Beginner, Variants, Speed, Patience, and Endurance — each with leveled progression and perfect-run stars
— New Profile tab with daily streaks, skill badges, weekly progress, and a training calendar
— Configurable streak mode (Lenient or Strict) with grace-day handling
— Built-in Learn to Play tutorial: guided demo plus a hands-on practice block
— Two new themes — Matte and Black (true OLED) — alongside the refreshed Dark and Light
— Per-theme grid background presets with live preview
— Refined Daily Training with daily target and weekly progress
— Branding refresh and many UI polish improvements

### 1.0 — 2026-04-27

No release notes.

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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 2026-09-07.*