CALCOO app for iPhone and iPad
4.3 (
2223 ratings )
Health & Fitness
Developer: actOpus
Free
Current version: 1.0, last update: 7 years agoFirst release : 12 Sep 2013
App size: 578.34 Kb
CALCOO tests your reaction speed and concentration. After establishing a baseline you can use CALCOO on many occasions to find out if you perform better or worse.