I have been using this app from last 1 year. This app is very useful. The design and concept is excellent. I have used this app so many times for my doubts. We will get so many openions for our questions. This app is very user friendly.
Anyone can access this app without any complication. If we have any doubt about any topic, just type that topic on seach option you will get similar topics which is already commended by other peoples. Anyone can ask questions, we can make our own profile, Anyone can answer the questions. I didn’t find any disadvantages of this app till date.
Anyway this will be a very usefull app to you. It is easily available in ios store/ playstore
Thank you