AI home-security startup by Yunlu ShiAI home-security startup by Yunlu Shi

AI home-security startup

Yunlu Shi

Yunlu Shi

Deep Sentinel — the only designer: app, brand, everything

2019–2020.
An AI home-security startup — cameras watched by live guards — where I joined right after launch as the company's only designer.
The core work was taking app 1.0, which was hard to use and drowning customer support, to a 2.0 with a clear hierarchy, a forgiving onboarding, and a device manager users could actually operate — while also carrying the e-commerce site, customer portal, packaging, campaigns, and trade-show surfaces, because there was no one else to carry them.
The app's rating climbed from 3.6★ to 4.6★, and 89% of users completed onboarding on their own.
App 2.0 at the center — and every other surface around it, because there was no one else to carry them.
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Posted Sep 2, 2026

Deep Sentinel — as the sole designer, led app 2.0 and surrounding surfaces to simplify hierarchy, onboarding, and device management.

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Deep Sentinel