Participate in a scientific study by reporting what you smell throughout your day. Receive notifications at random times to answer brief questions and submit photos. Earn a gift card upon completion of the 40 questionnaires.






10+ similar apps compared and reviewed
Whether you want more options like Ipsos GeoQuest or a completely different take on the same concept, our curated list of 10+ similar apps has you covered. Updated for 2026 with the latest ratings and comparisons.






Participate in a scientific study by reporting what you smell throughout your day. Receive notifications at random times to answer brief questions and submit photos. Earn a gift card upon completion of the 40 questionnaires.





Earn extra income by sharing your opinions through paid surveys. This app offers quick cash-outs to PayPal and matches you with relevant questionnaires. It's a straightforward way to monetize your free time by providing market research insights.






Share your opinions with major brands through short, engaging surveys. Earn cash rewards for each completed survey and see how your views compare to others. Level up to increase your earnings and cash out once you reach $20.