Reaction Test Pro is a full version game available on iPhone that measures your reaction times to the microsecond. It features a series of exciting mini-games designed to push your skills to the edge. The game includes four mini-games: Race Lights-Out, Whack-a-dot, Colour change, and Ruler drop.

The Race Lights-Out game is a fast-paced game where you have to switch off the lights as quickly as possible. Whack-a-dot is a game where you have to tap the dots as quickly as possible. Colour change is a game where you have to tap the dot when the color changes. Ruler drop is a game where you have to catch the ruler as quickly as possible.

The app allows you to compete with your friends and others around the world on Game Center leaderboards. The app has an easy-to-use interface and provides accurate results. If you're looking for a fun way to measure your reaction time, then Reaction Test Pro is a great choice.