SDI TDI ERDI PFI

All-in-one diving companion app from SDI/TDI/ERDI/PFI training agencies

iOSfree

An all-in-one free mobile app from SDI, TDI, ERDI and PFI that aggregates course materials and certification records from those training organizations. It addresses fragmented certification management by putting courses and credentials in one place for recreational and technical divers. The app is intended for divers seeking centralized access to training and records and has received positive user feedback.

Website iOS

Full match profile

Behind the summary, Matchbox keeps a richer profile of SDI TDI ERDI PFI - 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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