[ Related: “You have the power to protect your data. Own it.“ ]
To use InAppBrowser, all you need to do is copy its full website address (https://inappbrowser.com/) and paste it as a clickable link within the app of your choice. On Instagram, for example, you could make a dummy post (like an Instagram story created solely for the purpose of hosting the link), send a direct message with the link, or paste the link into your profile bio. Then just click the link within the app to open the in-app browser and see the results.
PopSci tested the site out within Instagram and received the following report:
[ Related: “Apple pushes for more in-app ads” ]