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Mono Day
Simple habit-forming to-do app — Mono Day is a to-do app to make your daily life simple and efficient
since Jun 11, 2026 · HTTP 404
CohortClass of 2017What it is
Simple habit-forming to-do app — Mono Day is a to-do app to make your daily life simple and efficient. [iOS, Productivity, Task Management]
HTTP liveness
14 probes since Jun 11Jun 11Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 18, 2026Went darkDead · 404
- Jun 17, 2026Probe inconclusiveUnknown
- Jun 11, 2026First probe — downDead · 404
Discussion 0 comments
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Pulse Indexobserved activity
14 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2017weekly
13,497 products launched in 2017 · 100% still active
13,462 active35 sunset
Still active
100%
Median lifespan
4.9y