Developer Utilities vs 校园应急广播

Developer Utilities is a practical toolbox for development, testing, and day-to-day troubleshooting. No account is required—open the app and start diagnosing networks, inspecting web pages, processing data, or transferring content across your local network. Network diagnostics • View local and public IP addresses, carrier details, and proxy information • Ping a domain or IP address • Run single or batch DNS queries • Look up Whois and ICP registration information • Scan the local network and run traceroute Development and debugging • View page source, inject vConsole, and run custom JavaScript • Format JSON • Create and decode short URLs • Convert and preview RGB/HEX colors • Browse system fonts QR codes and cross-device transfer • Scan or generate QR codes • Transfer text, images, and files between a browser and your iPhone or iPad on the same local network • Preview and save images, or open files with the system share sheet • Temporary images and files are removed when the transfer session ends Quick Note • Save text in seconds • Browse a dedicated history page with update times • Tap any record to load it back into the editor The app supports English and Simplified Chinese and follows your system language automatically. The app contains ads. A one-time, non-subscription purchase permanently removes ads and can be restored at any time.

校园应急APP是根据巡检文件要求研发的独立APP，与应急主机配合、支持断网、飞行模式下的报警提醒，能准确识别地震、溺水、暴力等多种应用场景，同时具有铃声等多种提示方式，操作简单快捷，提示清晰明了。