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

> **Newsylist Open Intelligence Dossier** · First detected: 2026-07-13 13:29 UTC · Category: Technology · Sources: 10 · Current Velocity: 8.7

## Executive Summary
A new free Mac application called WhatCable identifies the actual capabilities of USB-C cables that otherwise look identical.

## Intelligence Brief
A free Mac app named WhatCable has been released to help users determine the specific capabilities of their USB-C cables. Because USB-C ports do not guarantee high speeds, the software identifies whether a cable is fast or slow.


Coverage from The Verge, 9to5Mac, Engadget, How-To Geek, and Six Colors emphasizes that USB-C cables often look the same despite differing specifications. These outlets highlight that the app reveals what each cable can actually do.


Future utility depends on users identifying the specific specifications that separate slow cables from fast ones using the tool.

## Verified Facts & Key Claims
### What is WhatCable?
It is a free Mac application that reveals the capabilities of USB-C cables.

### Why is this app necessary?
According to coverage, USB-C cables look identical but can vary in speed, and a USB-C port is not a guarantee of high speeds.

### Which platforms is the app available for?
The provided coverage specifies that it is a Mac app.

## Key People, Organizations & Locations
USB, USB-C, WhatCable, A USB-C Port Isn't A Guarantee Of High Speeds Here's Why, Free Mac

## Multi-Source Evidence Table
| Source Outlet | Headline | Published (UTC) | Verification URL |
|---|---|---|---|
| extremetech.com | This Free macOS App Will Tell You All About Your Nondescript USB-C Cable | 2026-07-13 15:54 | [Source Link](https://news.google.com/rss/articles/CBMisgFBVV95cUxQcTBma2otSHptNWJMX2daT2RZaHFfUEFaNHM5TDVKeUcxdnBiS0Q0cGZnZWhWd1hpUVZpQXNGb3VOa0Rkd1BwWXNWWGRNMkZqTUZKbFRNYjhOeUhvQVJJRXE3c3NKVXJ4RHFyQjZMVThIQUdGNXluME1GcnUzb0JBVjg0cmRQbnB3YVBYRU5KcXNhZlRKVnZiSGd3TVViaDA0MXBOd0NUM3hPWHY5aWhGQkNB?oc=5) |
| Six Colors | WhatCable gives you the download on your USB cables | 2026-07-13 11:08 | [Source Link](https://news.google.com/rss/articles/CBMikAFBVV95cUxPSTV6VVh5S09FdHBHT3NNWTBFYWZLQWdkUzBDaEJWeG1HajdSYkhpeHk5Y21SMkN6THVzQkd6T2JReGZfZEVIbTN5QzJGWm5aU1hyRFRRLXpWRHdLVHpmS2EzOXV0NW5YWlBObjF3d0czQWs4S3hoT1hxNmszSEFnY2xIOTRPd0t3RG9OeXZ3MUw?oc=5) |
| Engadget | A USB-C Port Isn't A Guarantee Of High Speeds: Here's Why | 2026-07-13 11:08 | [Source Link](https://news.google.com/rss/articles/CBMidEFVX3lxTE1oT09acFdTVGRNcVVpc1R0dVctQ21QWG0wYWNZN1BQTkRSQ21WZE1hZjBUSFpIWWFzUnd4Y2FTU0REeDA4aVpSdFY1Tlg1cDVEa1hlREpxbFRYZzhTT1BYaDByY3U3MkdfUHJHTzZSdm5fM0Qt?oc=5) |
| The Verge | This free Mac app reveals the truth about your mystery USB-C cables | 2026-07-13 11:08 | [Source Link](https://news.google.com/rss/articles/CBMiggFBVV95cUxOYVNINEswWmRhaTNEUjBSNTk0YkVXNS1hZktiblltN1dYeGxPUk10cXpOLXVEUWU3ZEZVRXkyX3l1VEtsSzlNeWtydDEyRnE4V2hDbUdVbmFsZllRUS1vOXNTVHpSYWZJV29wc1gyOFJXbGRudE5vTW5YN1gzSEJ5dHpn?oc=5) |
| How-To Geek | USB-C cables look identical, but one simple spec separates the slow ones from the fast ones | 2026-07-13 11:08 | [Source Link](https://news.google.com/rss/articles/CBMingFBVV95cUxQd3hRN19oOVBMUDFQcVQ3UENuTTB0Q3l4b3VYRU9YTWlCOU8yNXY2Y0pYWG43Zll6c2tfMmlyMTA0RlduTEd0QUF2UWd0RFJPUVBZN3pub2tnWV9XZE50STJOQTFBX3RBWkN3Y2d0V1ExRFl4ZkJNUk9OU0NWNTUzc3BJNTR1U282RkpSdGY0WmpRY1ltTUItZXFMNVJsZw?oc=5) |
| 9to5Mac | Free Mac app WhatCable tells you what each of your USB-C cables can really do | 2026-07-13 11:08 | [Source Link](https://news.google.com/rss/articles/CBMirgFBVV95cUxOWENzNERtVDBMZE1OVW9pVk9fUzhWdVExMXR6WWdNZGxrWFNVS0s0SXR5WkkzNnlJbnNGc1RVREt1M2pubFdzNjBLUXJMY2VpMnRLZjNHSTVxeXh3VnYzVE9OY20wcmUxOUtmQkVaX21ia0lmQlJQb3A3azQwZDJsQzNRNFNXU2s2Mzg5ZVBORUxGZ3l2ZWg0OUlQSENXSmxhZFZUSks0T0JpX0hJR0E?oc=5) |
| Yahoo Tech | USB-C cables look identical, but one simple spec separates the slow ones from the fast ones | 2026-07-13 10:00 | [Source Link](https://news.google.com/rss/articles/CBMijAFBVV95cUxOdFY4cHBQcGFZOVdVa3E4c2xFTFNRLVU4ZFdmY0s5aHVGdUdLQ3pBTUFYY3RmN3k0alhvS042RGdRbEE5OHRmQzI5NVB4QjM4OUM0NHVkTm5ubkZwUTVsZjNtZHpNbFViWE9yQVlqd05RUUpBbEVWNFZSeU54RzFjRkw3Umg1YWZuSUNxbw?oc=5) |
| CNET | This Free Mac App Can Help You Root Out Your Slow USB-C Charging Cables | 2026-07-13 10:00 | [Source Link](https://news.google.com/rss/articles/CBMilwFBVV95cUxQMWlQcFJ3UlVzT0ppM3RUYlBjUXM3U1NzT3M5MWI3WkF2X0JpS3Q0bkZ6VDAtQ0pjSkRraGFLYjJSLTA1ckhPemR2Y1BrYS1rRjJySVl3NWl0eVBHYWthVWNLbENSX3BJbDIyTC0wVHRScTFIYVZ0ODU5V1JoeHptVWpFQWRUWkRJVFQ1bHJ5Rmo2aktaQXFn?oc=5) |
| PetaPixel | Free Mac App Unravels All Your Annoying USB-C Cable Mysteries | 2026-07-13 10:00 | [Source Link](https://news.google.com/rss/articles/CBMimwFBVV95cUxNLV9LYWg0RFU3TUpNUHo3WE5GMmhBLWd1NFZMZWJ6OWwwUHpQRFVqVlpVemZtbHMzdWxwSjNPbnhwRkMyVTBDbGJyazkxZnh4YVBVYU9lQW9XNmpRcGV1Zk12OUpTcXJWTExEOEJ4eE9tcWNhb1NRRWFtNnZLanZuWExaLXpZWlJCaTF1dDJObUN3ZHR4MTgtR1BRNA?oc=5) |
| Notebookcheck | Free app reveals capabilities of USB-C cables for MacBook Air and other devices | 2026-07-13 10:00 | [Source Link](https://news.google.com/rss/articles/CBMiwgFBVV95cUxNQ1J0azZ5NEtNSDVaX0NvTl9MMlVReHgtZGNjSHRyWWc5V1llNzdNREJMTWhKYXJqRmlmUDRDejZxMTQ1OWhsMVoyS0E3Y3RMci1VUUZob3pGWUZQcS1lamc3cW5iWkJ1QUlPenRrdFljeEZ6Y2F5SWY1WjZNeTdRMHRPUjN0UmFHalBCay1URTAwa0tlc19rbm5fbW9XTVlkMDY1b2oyVU1GSjlCcGh4NXo0MTVaOGZOWG1yeWpFOWV2Zw?oc=5) |
| The Verge | This free Mac app reveals the truth about your mystery USB-C cables | 2026-07-13 10:00 | [Source Link](https://www.theverge.com/gadgets/963759/whatcable-usb-c-cable-tester-app-mac) |

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*Canonical Source: https://www.newsylist.com/trend/2026-07-13/this-free-mac-app-reveals-the-truth-about-your-mystery-usb-c-cables*
*Synthesized by Newsylist Open Intelligence Engine under E-E-A-T journalistic standards.*