Brain Training - SmartFriends is an iPhone app developed by Jeroen Geurts. It falls under the lifestyle category and specifically the health and fitness subcategory. The app aims to stimulate and challenge your brain in a fun way, together with your friends.

The app offers a daily IQ challenge that is the same for everyone around the world. You can invite your friends to join and compete against them on the challenge of the day. The challenges can be logical IQ tests, number sequences, or Matrigma tests, providing a variety of brain exercises to improve your working memory.

According to the COGITO Study at the Max-Planck Institute, brain exercises like the ones offered in SmartFriends can improve working memory for people of all age groups. By sharing your scores and challenging your friends, the app keeps you motivated with a competitive spirit.

If you're looking to keep your brain young and have fun while doing it, download SmartFriends now!

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