CRUX

Level up and rank your grip, neck & finger strength training

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Self-Reported Revenue

The creator of CRUX has reported monthly revenues of $0.

This figure was last updated August 17, 2026, and has not been independently verified.

About

Mainstream fitness apps ignore grip and neck training — the stuff climbers and fighters actually care about. Instead of competing head-on with existing ranked fitness apps, I'm going deeper into the niche movements.