1821 app - prove your age with Apple NFC
Your Passport ID, stored securely store it on your phone
1821 app - prove your age with Apple NFC launched on January 27, 2020 with 16 votes, #764 of 3,486 launches that month and more than 50% of that year's launches. The site was not reachable when checked in September 2026.
What it does
1821 is your ID on your phone that is stored securely and fully offline on your device. It's the digital identity app that lets you encrypt your ID and use it to prove who you are in person. - Not displaying the exact age, the app simply shows 18+/21+
Does a similar job
all alternatives →
PassportReaderApr 2026 · passportreader.app · ▲118Allow users to verify their identity instantly by tapping their ID or passport. Integrate by using our apps, or iOS/Android SDK if you have an app of your own.



Anonymous Age Verification2025 · gist.github.com · ▲71So I'm not an expert in this area, but here's an attempt at cost effective, anonymous, age verification flow that probably covers ~70% of use cases in the United States. The basic premise is to leverage your bank (who already has had to perform KYC on you to open an account) to attest to your age for age-restricted merchant sites (pornhub, gambling, etc) without sharing any more information than necessary. Flow works like this: 1) You go to gambling.com 2) They request you to verify your age 3) You choose "Bank Verification" 4) You trigger a WebAuthn Credential Creation flow 5) gambling.com…

Source: Product Hunt launch ↗
Launched alongside, January 2020
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- IW
Hey folks. Last year I was fortunate enough to sign a deal to write a book with my favorite technical publisher, The Pragmatic Bookshelf. When I started out as an Engineering Manager many years ago, I found that there wasn't a huge amount of material that specifically and practically helped me understand how to do my job. When you learn to program there's all of these amazing tutorials, examples and guides, but what was there for new managers? In response to this, a couple of years ago I started a blog over at https://www.theengineeringmanager.com which got a decent amount of…
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