The "Download Now" link directs you to the iTunes App Store, where you must continue the download process. You must have iTunes installed in order to open the link, and you must have an active iTunes account to download the application. This download may not be available in some countries.
Are you confident of your concentration? equivalence will train your concentration and reaction speed, in less than a minute!The rule is simple: Tap the pair of the same numbers as fast as possible, to open the gate.>Time Attack mode Open 10 gates as fast as possible! You will only need 30 seconds of your free time!>Endless mode Challenge opening as many gates as possible! Countdown clock is ticking, but the remaining time increases each time you open the gate.>Online ranking Take part in the world ranking. The daily ranking is also available.>Twitter You can directly send your record to Twitter. The hashtag, #equivalence is added automatically. You can also find other players with this hashtag!