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Checkman
Checkman streamlines the mobile app design review process, enabling UI/UX designers to systematically verify and validate their app designs against best practices and design standards
since Jun 16, 2026 · HTTP 404
CohortClass of 2026What it is
Checkman streamlines the mobile app design review process, enabling UI/UX designers to systematically verify and validate their app designs against best practices and design standards. The tool helps catch inconsistencies, accessibility issues, and design violations early in the development cycle.
HTTP liveness
9 probes since Jun 16Jun 16Jul 12
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- 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
550 products launched in 2026 · 100% still active
550 active0 sunset
Still active
100%
Median lifespan
4.9y