Digit Span - Train of Thought Publisher: Michal Mandrysz Genre: Education Released: 30 Nov, 2016 Size: 55.6 MB Price: $0.99 Click here to request a review of this app App Store Info Description It is said people can hold up to 7-8 items in their working memory. Can you beat that limit? What's New in Version 1.4.26 Improvements for new devices and OS. Screenshots Screenshot 1 of 2