Off by One Download from App Store

Off by One app for iPhone and iPad


4.1 ( 501 ratings )
Games Puzzle
Developer: Michael McElroy
Free
Current version: 2.0, last update: 7 years ago
First release : 12 Jul 2016
App size: 3.12 Mb

Three quadrants will have the same number of squares filled in. The fourth quadrant will be off by one -- tap on that quadrant to advance. There is a 3 second time limit per round.