Hardest Test app for iPhone and iPad

4.6 ( 416 ratings )

Games Entertainment Adventure Arcade
Developer: lanying zhu

Free

Current version: 1.0, last update: 7 years ago
First release : 15 Feb 2017
App size: 29.35 Mb

This is a series of fun and exciting mini-game that measures your reaction time to the milliseconds and pixels!

See how fast you can slap and how sharp is your reaction in milliseconds!