# 2N BacK — Adaptive dual N-Back training

> Adaptive dual N-Back training (iPhone/iPad app by Aakashdhruv Vashisht.)

- Source: https://appshunter.io/ios/app/2n-back/id6798261111 (this page in markdown: same URL + `.md`)
- Developer: [Aakashdhruv Vashisht](https://appshunter.io/developer/1893809834)
- Category: Games, Health & Fitness, Puzzle, Trivia
- Price: Free
- Age rating: 4+
- Requires: iOS 17.6 · 3 MB
- Languages: American English
- Released: 2026-08-18
- Data updated: 2026-10-31

## What is 2N BacK?

Dual n-back is a working-memory exercise. A square lights up somewhere on a grid while a letter is read aloud, and you flag it whenever the current square or the current letter matches the one from n steps back. At 2-back that means holding two separate streams in mind and checking each against something two trials old, while new items keep arriving every three seconds.

It is hard, and it stays hard, because the level moves with you.

## Is 2N BacK safe?

Not enough ratings yet to assess 2N BacK.

## Is 2N BacK legit?

2N BacK has limited verification signals. The AppsHunter Legitimacy Score for 2N BacK is 58 out of 100 points across 7 verification signals from App Store and developer data.


## Version history (last 1 release)

### 1.0 — 2026-08-18

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 2026-10-31.*