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Num Trainer
A lightweight iOS app featuring four engaging number games designed to sharpen mental arithmetic and cognitive abilities
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
A lightweight iOS app featuring four engaging number games designed to sharpen mental arithmetic and cognitive abilities. Games include mind math challenges, Schulte tables, number pair matching, and more. Built with SwiftUI for a smooth, responsive user experience.
HTTP liveness
9 probes since Jun 16Jun 16Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 19, 2026Went darkDead · 404
- Jun 18, 2026Probe inconclusiveUnknown
- Jun 16, 2026First probe — downDead · 404
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Pulse Indexobserved activity
9 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2026weekly
567 products launched in 2026 · 100% still active
567 active0 sunset
Still active
100%
Median lifespan
4.9y