Participate in global usability testing studies. This application launches when you begin a test for which you have a provided link. It connects you with design companies worldwide.
Loop11 User Testing by Loop11

10+ similar apps compared and reviewed
Whether you want more options like Userfeel 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 global usability testing studies. This application launches when you begin a test for which you have a provided link. It connects you with design companies worldwide.





This app offers flexible earning opportunities by allowing users to complete various data collection and labeling tasks. Users can browse available projects, apply to join, and submit completed work for payment via WeChat.






This app allows individuals participating in Nielsen's media research to contribute to understanding internet and mobile device usage. By installing the app, users help measure the digital landscape and can earn rewards for their participation. An invitation and prior registration are required to use its features.