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EarProg
Learn music superpowers for mastering chord progressions — EarProg is the ultimate ear training app to help you identify chord progressions
since Jun 11, 2026 · HTTP 404
CohortClass of 2018What it is
Learn music superpowers for mastering chord progressions — EarProg is the ultimate ear training app to help you identify chord progressions. With this app, you can train your ear to learn how to identify 60 different chord progressions. [iOS, iPad, Music]
HTTP liveness
15 probes since Jun 11Jun 11Jul 13
AliveHard-dead (404/5xx/parked)RedirectedUnverified (timeout/DNS/block)
Observed events
probes · press · GitHub- Jun 17, 2026Went darkDead · 404
- Jun 15, 2026Probe inconclusiveUnknown
- Jun 11, 2026First probe — downDead · 404
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Pulse Indexobserved activity
15 probes0 pressGitHub –Tranco –
Not enough observed signals for a Pulse Index (needs 2+ signal families).
Cohort survival · Class of 2018weekly
2,435 products launched in 2018 · 100% still active
2,425 active10 sunset
Still active
100%
Median lifespan
4.9y