What they say: "INSIGHTS INTO ACTION. Humanising Technology, Transforming Experiences"
UXArmy is an online user testing platform for rapidly gathering insights from your users. Our experienced product creation experts help in ideation, concept generation, development and commercialization of customized user-centric products.
Visit https://www.uxarmy.com/ to sign up for an account.
To get feedback on your Proto.io project, just create a test in UXArmy (an account is required) and choose "Prototypes" in the Test Details, as seen below.
Then in setting up your tasks, enter the custom Share link you get from Proto.io (User Testing tab in the Share modal).
Paste the custom share link in the "Start the task on this web page" field.
Proceed normally with setting up the rest of your test.