Comment by untog

What about Facebook? A native app, free, tied to a business and utterly motivated to violate your privacy.

> False: you can definitely verify that a binary matches the source code in deterministic builds

If I want to check an app I have installed from the iOS App Store matches the code provided in an open repo, how would I go about doing that?

>Truthness: many webs are obfuscated on purpose like native apps are.

True. But their underlying behaviour, i.e., what data they send and where they send it, is viewable and blockable by browser extensions.