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BLACKBOOK
A personal journaling app designed to help you record and reflect on meaningful sensual experiences with balance between guided structure and creative freedom
verified Jul 13, 2026 · HTTP 200
CohortClass of 2026What it is
A personal journaling app designed to help you record and reflect on meaningful sensual experiences with balance between guided structure and creative freedom. Capture details your way with an intuitive interface that adapts to your preferences while keeping your entries organized.
HTTP liveness
11 probes since May 23May 23Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 19, 2026Back onlineAlive · 200 OK
- Jun 18, 2026Probe inconclusiveUnknown
- May 23, 2026First probe — liveAlive · 200 OK
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Pulse Indexobserved activity
11 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y