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n-back

Free#24 of 30 in Brain Training Apps

n-back: A focused Android app for adaptive dual n-back practice and progress tracking. Ranked #24 of 30 in Brain Training Apps by our editors (6.0/10); pricing: Free plan; best for android users wanting simple N-back training and tracking.

6.0/10Editor score
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n-back6.0 Visit n-back

At a glance

  • Editor score
    6.0 / 10
  • Pricing
    Free plan
  • Best for
    Android users wanting simple N-back training and tracking
  • Free plan
    Yes
  • Paid from
    None
  • Exercise focus
    Memory
  • Facts checked
    28 Sep 2026

  • Where it wins

    • Combines visual-position and audio-letter n-back exercises.
    • Adaptive levels, with a separate practice mode for unscored sessions.
    • Tracks accuracy, sessions, seven-day trends, activity, streaks, and XP.

  • Where it doesn't

    • Focuses on dual n-back rather than a range of brain-training exercises.
    • Android-only coverage limits its fit across devices.
    • Progress measures center on accuracy, sessions, streaks, level, and XP.

Our verdict on n-back

n-back is a mobile working-memory trainer built around simultaneous visual-position and audio-letter exercises. In each exercise, users identify whether either stream matches what appeared or sounded a set number of rounds earlier. Its narrow focus suits Android users who want straightforward n-back practice with progress tracking, rather than a broad collection of brain-training activities. The app is described as free and open source, and its maker says it has no ads, tracking, or accounts.

The training loop combines adaptive difficulty with practice and scored sessions. Levels increase as accuracy holds, while practice mode is kept separate from scored work. During sessions, users can adjust position and audio controls. This makes the app a fit for people interested specifically in dual n-back and gradual difficulty changes; it is less suited to anyone seeking varied exercise types or a wider training curriculum.

Progress tracking covers average accuracy, total sessions, a seven-day accuracy trend, and activity history, alongside training streaks, user level, and XP. Those signals offer a compact record of practice and performance without expanding beyond the core exercise. Its mobile scope is limited to Android, so people looking for cross-platform access should consider another option. Choose n-back for a focused, free dual n-back routine and simple tracking; look elsewhere if variety or broader platform coverage matters more than that single exercise focus.

n-back pricing

Plans Free planFree Free to use — no paid tier required for the core job.
See plans on leotrax3d.dev

n-back fact sheet

Free planYes
Paid fromNone
Exercise focusMemory
Exercise countNot verified
Personalized trainingYes
Progress trackingYes
Offline accessNot verified
Supported platformsandroid
DeploymentMobile
PlatformsAndroid
Built forSolo (editorial estimate)
PricingFree plan
Websiteleotrax3d.dev
Facts checked28 Sep 2026

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Featured on iTechGuides

Featured on iTechGuides — n-back 6.0/10

n-back is listed in our Brain Training Apps directory. Add the badge to your site — it links back to this page.

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Guides on brain training apps

Reviewed by iTechGuides Editors · Editorial team · Updated Oct 2026

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