# This free Mac app reveals the truth about your mystery USB-C cables

> Nearly three years ago, I showed you an awesome $8 cable tester that quickly tells you if your USB-C cable is likely fast, slow, powerful, or weak.

- **Source:** [The Verge](https://www.theverge.com/gadgets/963759/whatcable-usb-c-cable-tester-app-mac?utm_source=gearopen.com&utm_medium=referral&utm_campaign=feed&utm_content=6a54da75c9bd3cdbff4d367c)
- **Published:** 2026-07-13
- **Category:** Apps
- **Tags:** #apple #macos
- **Canonical:** http://localhost:4321/a/6a54da75c9bd3cdbff4d367c

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