Developer Tools

iUSBDebugger

By Liang Cheng

从macOS IOKit查看USB、USB-C、供电与Thunderbolt拓扑的只读诊断工具。

View on the App Store Official website

Our take

适合排查自己线缆扩展坞和设备连接的人

把协商速率、线缆身份与端口状态集中，便于找出未按预期建立的链路。

Keep in mind: 不是维修、刷写或保证故障结论工具；无E-Marker线缆无法提供完整身份，字段取决于硬件和系统。

Inside the app

Official product images

macOS · US App Store

What you can do

USB设备树与端口状态
E-Marker、PD及Thunderbolt/USB4
调试通道参考与用户导入日志

Good for

需要实验室或日常硬件排查的Mac用户

Consider alternatives for

期待自动修复、修改USB设备或完整电气测试的人

Limitations & considerations

Captured minimum: macOS 14.0.
不是维修、刷写或保证故障结论工具；无E-Marker线缆无法提供完整身份，字段取决于硬件和系统。

Privacy & permissions

商店版声明本地只读；诊断日志和设备序列可能敏感，导出分享前清理。

Sources & review notes Updated Nov 15, 2026

Reviewed by iApp4Me Editorial Team. Recommendations use the linked documentation and attributed accounts; device observations are identified separately.

US App Store developer description
Complete description, release notes, download price and compatibility metadata captured 2026-11-02.