US Immigration Casechecker is an iPhone application developed by mar.go LLC. It falls under the Education & Reference category and offers a valuable service to users. The program automatically checks the status of USCIS and NVS cases, keeping users informed of any updates.

Moreover, US Immigration Casechecker provides links to various immigration-related resources, making it a comprehensive tool for individuals navigating the immigration process. It also offers access to licensed legal help when needed. It's important to note that this app is a 3rd party application and is not affiliated with USCIS. Additionally, it does not offer legal advice to its users.