Dual N-Back is the most popular app for improving fluid intelligence.
This is a simple, bare bone, implementation of this idea.

Cloud service for storing your settings and progress.
Now you can stay in sync in between your iOS and MacOS devices!

More features coming soon!

What’s New

Version 1.11.6

Fixes and improvement for iOS 14.

Ratings and Reviews

4.0 out of 5
2 Ratings

2 Ratings

SolarFlux ,

Good start

As advertised, this is just the basic game. The UI needs some refinement and there should be a pause between rounds. I'm anxiously waiting for stats and sync between devices.

Developer Response ,

I'm happy to say that the Cloud is almost ready!
We're just running some final tests and should be ready within a week or so now.

App Privacy

The developer, Michal Mandrysz, indicated that the app’s privacy practices may include handling of data as described below. For more information, see the developer’s privacy policy.

Data Linked to You

The following data may be collected and linked to your identity:

  • Contact Info
  • User Content
  • Identifiers
  • Diagnostics

Privacy practices may vary, for example, based on the features you use or your age. Learn More


  • Family Sharing

    With Family Sharing set up, up to six family members can use this app.

More By This Developer

You May Also Like