Intelligent summaries of Hacker News discussions. Powered by AI, processed entirely on your device.
Download on App StoreHN Lens gives you personalized summaries of Hacker News comment threads through customizable AI personas. All processing happens on your iPhone.
View the latest Hacker News stories with points, comment counts, and author information. Bookmark articles to read later.
Generate 2-sentence or 5-sentence summaries of any comment thread. Choose the perspective that matters to you.
Continue the conversation with your selected persona. Dig deeper into specific aspects of the discussion.
Save stories you care about and access them anytime. All your bookmarks stay synced locally on your device.
All AI processing uses Apple's FoundationModels framework. No data ever leaves your device. No tracking, no analytics.
Built with SwiftUI for iOS. Instant responses without network delays. Works offline once stories are cached.
Each persona analyzes Hacker News discussions through a different lens. Switch between them to see what different readers care about.
Technical implementation details, architecture decisions, and performance trade-offs.
Creative solutions, security implications, and clever technical approaches.
Product strategy, user adoption patterns, and go-to-market considerations.
Market opportunities, business model viability, and competitive landscape analysis.
Critical perspectives, potential risks, and overlooked downsides.
Ethical considerations, societal implications, and long-term consequences.
Objective summaries focused on facts without editorial perspective.
Last Updated: January 2026
HN Lens processes all data on your device. We don't collect, store, or transmit any personal information. This isn't just a policy—it's how the app is built.
HN Lens does not collect any information about you:
HN Lens uses Apple's FoundationModels framework for on-device AI processing. Here's what happens when you use it:
The following information stays on your device and is never transmitted:
You control this data. Clear it anytime through Settings or by deleting the app.
HN Lens connects to these external services:
We don't use analytics services, advertising networks, or other tracking tools.
HN Lens doesn't collect information from anyone, including children under 13. The app is designed to be privacy-safe for all ages.
Since data stays on your device, security relies on your iPhone's built-in protections: encryption, device passcode, and biometric authentication.
Updates to this policy will be posted in the app. We can't notify you directly since we don't collect contact information. Check back periodically for changes.
Since we don't collect your data, there's nothing for us to access or delete. You maintain control through:
Questions about this privacy policy? Contact us through the App Store listing.
Our privacy-first approach is built into the app's architecture. All AI processing uses Apple's on-device FoundationModels framework. Your data never leaves your device because the app doesn't have servers to send it to.
This app doesn't process personal data as defined by GDPR, CCPA, or similar regulations because no personal information is collected. Public content from Hacker News is accessed directly by your device.