5 stars: Great app and allows perticular field for all topics!
5 stars: Best knowledge app
5 stars: Challenging, educational and very useful!!
4 stars: Like this app keeps the mind thinking sharp.
5 stars: Challenges the mind
5 stars: Very challenging
5 stars: Super
5 stars: Great app
5 stars: Excellent app
3 stars: Good
5 stars: 🙄🙄🙄🙄😁😁
5 stars: Nice
5 stars: Excellent
4 stars: Interesting
3 stars: Still need time to explore. Haven't been able to fully "experience" with "our" heck'd schedule. But I do like that i can set an alarm and the amount of questions to help get me involved (like a moth to a flame). This is a plus for busy mom's such as myself and help's in keeping the mind sharp.
5 stars: Downloaded today and have had a great brain workout all day..It's been fun and As I get older I am enjoying learning (more than I ever had time for in the past)the skills it takes for methodical logical deduction of problems etc.Keeping sharp is a good thing! Please expect an email from me as there is an issue I would like to discuss , constructive and respectful minor issue..Thanks and the hard work on the app is very evident,I am enjoying it!
3 stars: Introducing a boy, a girl said,  "He is the son of the daughter of the father of my uncle."  How is the boy related to the girl? My answer was nephew, thinking that the 'father' has a lot of sons and daughters. The question didn't specify that they were only...