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Use iPhone's camera as a lux meter
A simple iPhone app that estimates melanopic light exposure using the camera to help you align your sleep schedule
verified Aug 24, 2026 · HTTP 200
CohortClass of 2026What it is
A simple iPhone app that estimates melanopic light exposure using the camera to help you align your sleep schedule. It lets you set sleep goals and provides coaching based on real-time light measurements, aiming to reduce jet lag and improve overall well‑being.
HTTP liveness
5 probes since Aug 2Aug 2Aug 24
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Aug 2, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
5 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
3,100 products launched in 2026 · 100% still active
3,100 active0 sunset
Still active
100%
Median lifespan
4.9y