Website: https://phonetracker247.com/how-to-install-phone-tracker-app-on-cell-phone/. How to Install Phone Tracker App on Cell Phone - Step-by-step Guide. Installing a tracker must be fast, legal and policy-compliant, and transparent. This step-by-step guide explains how to install a phone monitoring app for families and businesses in under ten minutes, with proper consent, platform-specific permissions, and battery/privacy optimizations. You’ll follow simple Android/iOS flows, verify data in the dashboard, keep short retention (30–90 days), and maintain a basic activity/audit trail.