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Day One
Day One is a digital journaling application designed for capturing thoughts, memories, and reflections across iPhone, iPad, and Mac
verified Jul 15, 2026 · HTTP 200
CohortClass of 2013What it is
Day One is a digital journaling application designed for capturing thoughts, memories, and reflections across iPhone, iPad, and Mac. The app provides a simple, distraction-free interface for daily writing and personal documentation. It synchronizes seamlessly across Apple devices to keep your journal accessible everywhere.
HTTP liveness
19 probes since Jun 16Jun 16Jul 15
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 16, 2026First probe — liveAlive · 200 OK
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VitalsQuiet
Upvotes
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Press
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Pulse Indexobserved activity
472/4 signal families
Liveness40%1.00
Press30%no data
GitHub20%no data
Tranco10%0.71
Weighted observed activity · updated Jul 15
Cohort survival · Class of 2013weekly
453 products launched in 2013 · 96% still active
437 active16 sunset
Still active
96%
Median lifespan
4.9y