Opinion Surveys: Earn Money and Gift Cards, developed by Opinion Dollars, is a free lifestyle app available on Android. The app allows users to earn real cash by participating in surveys, reading emails, completing offers, playing games, and shopping online. Users can redeem their earnings through PayPal Payment or numerous gift cards once they reach $10 in their account. The app offers a sign-up bonus of $5 to new members and provides a range of survey options including Quickthoughts Opinion, Coupons, Surveys on the Go, and SB Surveys answer. Since 2015, the app has paid over $57 million to its members.

The app requires users to join and complete their member profile to start earning real cash. The more surveys users take, the more money they earn. The app's user interface is easy to navigate, and the app is free to download. However, it must be noted that "Opinion Dollars app is the owner of this website and own the ownership", as mentioned in the app's disclaimer. Overall, Opinion Surveys: Earn Money and Gift Cards is a great app for those looking to earn extra cash by participating in surveys and other activities.