Ética & Regulação
How Loupe Could Reshape iOS Privacy Standards for Users
Dr. Adrian Vale
LLM, AI Agents & AI Infrastructure Specialist
4 min read
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LLM, AI Agents & AI Infrastructure Specialist
Loupe, a free iOS app created by Mysk Inc., uncovers data apps can access via public APIs, such as device IDs and system settings. The app highlights potential privacy risks like device fingerprinting and aims to empower users to demand greater transparency and privacy protections. Its launch may influence app developers, tech companies, and regulatory policies globally.
Loupe is a free iOS and iPadOS app developed by Mysk Inc. that provides unprecedented transparency into the data that apps can access through public APIs. As privacy concerns grow, Loupe empowers users by revealing what information apps can collect from their devices, including device identifiers, system settings, and hardware specifications.
According to the official GitHub repository, Loupe’s mission is to educate users on the data their devices might expose and how developers can use this information—sometimes in ways users might not expect.
Loupe leverages public APIs in iOS to demonstrate the types of data apps can access, such as:
The app goes a step further by providing clear explanations of how this data could be exploited. For example, Loupe highlights how developers can use non-sensitive data to perform device fingerprinting, allowing them to track users without requiring explicit consent for sensitive information like location or email.
Loupe addresses growing privacy concerns by making invisible data collection practices visible to the end user. This transparency is especially timely, with 79% of Americans expressing concerns about how their data is shared (Pew Research, 2025). The app’s impact on privacy includes:
By shedding light on accessible data, Loupe aims to shift the balance of power back to users, enabling smarter decisions about the apps they trust.
Loupe has garnered positive feedback from users on the Apple App Store for its user-friendly design and ability to clarify app data access. However, its transparency has also sparked challenges within the tech ecosystem:
Loupe’s release could catalyze broader changes in how digital privacy is approached:
Loupe is not just a tool for individual users but a catalyst for broader industry changes. By exposing how apps access data through public APIs, Loupe raises the bar for transparency and accountability. As users become more informed, developers and companies will need to prioritize privacy to maintain trust, and regulatory bodies may respond with stricter data privacy laws.
Loupe is an iOS app that shows users what data their apps can access through public APIs, including device IDs, system settings, and hardware information.
Device fingerprinting is a technique to track users by combining non-sensitive data points like device ID and system settings. Loupe demonstrates how this is possible, raising awareness among users.
Loupe could encourage developers to adopt more transparent data practices, potentially limiting unnecessary data collection to address user and regulatory concerns.
💡 Dica Pro: Developers should use Loupe as a diagnostic tool to understand how their apps are perceived from a privacy standpoint. This transparency can guide more ethical and privacy-compliant design decisions.
