Price change history (AppStore)
Every day, improve your knowledge and you'll soon become an expert. Win points and badges to reach the top of the leaderboard.
With this app, play 3 minutes a day and learn any where, any time on your smartphone.
> MANY QUESTIONS AND THEMES
Answer new questions everyday in numerous categories!
> SHARE YOUR ADVENTURE
Invite colleagues and friends to join and compete with you
> IMPROVE YOUR RANK
Compare your results with friends and more