CarbonData

Digital certificate and logbook app built for chimney sweeps

iOSfreemium

CarbonData is an app specially designed by sweeps for sweeps — the digital version of a chimney sweep's certificate and logbook, with certificate generation available via subscription.

Website iOS

Full match profile

Behind the summary, Matchbox keeps a richer profile of CarbonData - the signals our matcher actually reads to decide when to surface it. It stays private; claim the listing to see and control it.

Problem & pain-point mapping
Who we surface it to (audience fit)
What it's a strong alternative to
Trust & credibility signals

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