SMS Tracker: Monitor Text Messages Safely & Legally (2026 Guide) An SMS Tracker is a consent-based tool that records SMS/MMS content plus basic details such as sender, recipient and timestamps on authorised devices. Legitimate uses include parental oversight for minors and monitoring company-owned phones. Trusted providers offer encryption, access controls, audit logs and easy data deletion. SMS Tracker Explained An SMS Tracker is an app that collects text message content and related metadat