TAG Mobile Wireless vs Chronicle (SPECTRA study)

TAG Mobile — Free Wireless Made Simple TAG Mobile helps eligible customers get connected with free phone service through the federal Lifeline program. If you qualify, you can receive a free smartphone and free monthly service that includes talk, text, and high-speed data — with no bills, no contracts, and no surprises. With the TAG Mobile app, you can apply for service, manage your account, and shop devices — all from your phone. What You Can Do in the App: Apply for Lifeline Service • Submit your application directly in the app • Upload proof documents easily and securely • Track your approval status and delivery updates Manage Your Account • Check your talk, text, and data balance • Add more 5G data anytime • Turn on international calling in seconds • Update your account details or change your plan Refer and Earn • Share TAG Mobile with friends and family • Earn rewards when they get approved for Lifeline service Shop Phones & Accessories • Browse affordable smartphones, tablets, and accessories • Get exclusive app-only deals Why TAG Mobile? • Trusted by millions of customers across the U.S. • Licensed Lifeline provider • No monthly bills, no credit checks, no hassle Download the TAG Mobile app now to get started in just minutes. Simple, secure, and built to keep you connected.

Chronicle is a passive sensing application for behavioral research studies. Participants must first be enrolled in an approved research study and be possession of a unique enrollment link provided by the researcher in order to provide data. This application also queries, but does not collect step counts from HealthKit as a workaround to known SensorKit limitations.