CoralKeep

Focused reef journal for saltwater hobbyists to manage tanks and spot parameter trends early

iOSfreemium

A mobile reef journal for saltwater aquarium hobbyists that helps record tank parameters and maintenance notes to reveal trends over time. It addresses the common problem of gradual changes being missed when logs are inconsistent, enabling earlier detection of small issues. Offered as a freemium app, it suits hobbyists who want a simple utility for ongoing reef-keeping records.

Website iOS

Full match profile

Behind the summary, Matchbox keeps a richer profile of CoralKeep - 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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