What's New

Fixes and improvements for MacOS Big Sur

App Description

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!

iPhone Screenshots

(click to enlarge)

Dual N-Back - Train of Thought screenshot 1 Dual N-Back - Train of Thought screenshot 2 Dual N-Back - Train of Thought screenshot 3

App Changes

  • July 05, 2016 Initial release
  • November 16, 2016 New version 1.2.0
  • November 16, 2016 Price increase: $0.99 -> $2.99
  • November 17, 2016 Price decrease: $2.99 -> $0.99
  • November 29, 2016 New version 1.3.0
  • June 15, 2019 New version 1.10.3
  • June 15, 2019 Price increase: $0.99 -> $1.99
  • June 16, 2019 Price increase: $0.99 -> $1.99
  • September 24, 2019 New version 1.10.15
  • September 16, 2023 New version 1.11.1

Other Apps From Michal Mandrysz

Systematic - Set goals, track time & build habits True Sentence Dual N-Back - Train of Thought True Sentence Digit Span - Train of Thought Digit Span - Train of Thought Mental Rotation - ToT Stroop Effect - ToT Mental Rotation - ToT Stroop Effect - ToT