What's New

Improvements for new devices and OS.

App Description

It is said people can hold up to 7-8 items in their working memory.
Can you beat that limit?

iPhone Screenshots

(click to enlarge)

Digit Span - Train of Thought screenshot 1 Digit Span - Train of Thought screenshot 2

App Changes

  • December 01, 2016 Initial release
  • June 14, 2019 New version 1.3.22
  • June 14, 2019 Price increase: $0.99 -> $1.99
  • June 16, 2019 Price increase: $0.99 -> $1.99
  • September 23, 2019 New version 1.3.25
  • May 06, 2021 New version 1.4.26
  • May 06, 2021 Price decrease: $1.99 -> $0.99

Other Apps From Michal Mandrysz

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