The app works by using a combination of algorithms and techniques to access private profiles. According to the app's developers, it uses a proprietary technology that allows it to bypass Instagram's security measures and access private profiles.
: Many sites use "human verification" or surveys as a gate. Users often find that after completing several tasks, the "unlocked" profile never appears, as the site’s primary goal is to generate ad revenue or lead conversions. Igmods View Private Instagram Profile App