Loupe – A iOS app that raises awareness about what native apps can see

Cider9986 174 points 45 comments June 20, 2026
github.com · View on Hacker News

Discussion Highlights (10 comments)

paulirish

Would love this for MacOS as well.

regecks

Damn. The "iPhone last setup or erased on ..." is really nasty. What can a user really do about that? I feel like this should be fudged somehow by the OS.

ChrisMarshallNY

It's likely to be trolled by the WPA folks, who will insist that WPAs are just as insecure as native apps, so there's no difference ... But very cool.

RedComet

Volume creation date is pretty egregious. I don't see any reason that and Pasteboard changeCount should be so granular. The "Installed Apps Probe" leak also surprised me. It is better than the current state of Android, though.

api

This is why I avoid installing apps and don’t have a lot of them.

Barbing

Sweet, been wanting this a while. Just mentioned last month and here it is! https://news.ycombinator.com/item?id=48187972

cute_boi

Apps like TikTok can know which username we logged in with, even if we uninstall and reinstall the app. This is egregious, as many companies like Facebook have SDKs embedded in many apps, allowing them to accurately interconnect user activity. Apple should be ashamed that they aren't putting effort to randomize these fingerprints....

socalgal2

Yea, it's infuriating that most of the HN crowd thinks the apps are better then web. Apps can spy on you way more than web. It's the reason every website says "please download the app". If it was better for them to spy on you via the website they wouldn't ask you to download the app.

OffBeatDev

The “passive / permission / advanced” grouping is a nice way to teach this. Most privacy explanations focus on scary outcomes. Showing what is visible with no prompt makes the model easier to understand.

coffeecoders

This is excellent. Seeing this makes me appreciate how much visual awareness tools like this are needed. I built something similar, for the web. https://neberej.github.io/exposedbydefault/ Github: https://github.com/neberej/exposedbydefault

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