Best Home Security · head-to-head
ADT vs SimpliSafe
A sourced, side-by-side comparison for home security. SimpliSafe has the lower entry price. Every figure links to the vendor's own page and the date we captured it.
SimpliSafe has the lower entry price — ADT starts at $19.99/mo, SimpliSafe at $0/mo. Free tier: ADT No, SimpliSafe Yes. HIPAA: ADT —, SimpliSafe —.
As of 2026-06-14 · figures link to their source below
Side by side
ADT
$19.99/mo entrySimpliSafe
$0/mo entrySources — ADT: safewise.com (verified 2026-06-14) · SimpliSafe: safewise.com (verified 2026-06-14)
Key features
ADT: Six redundant ADT-owned monitoring centers across North America — 24/7 coverage; Exclusive Google Nest ecosystem integration (cameras, thermostats, doorbells); SMART Monitoring: simultaneous alerts to up to 10 contacts; Trusted Neighbor feature — grant controlled access to helpers via smart locks and cameras; Touchscreen control panel with 12-hour battery backup and two-way voice communication; Six-month money-back guarantee on professionally installed systems; ADT Self Setup DIY tier available with no contract at $19.99/mo
SimpliSafe: No long-term contract on any plan — cancel anytime; 24/7 professional monitoring with cellular backup (Standard and above); Active Guard: live security agents proactively monitor cameras and contact police; DIY wireless setup — no professional installation required; Battery backup and cellular failover keep system online during outages; Door/window sensors, motion detectors, glass break, smoke, CO, water, and temperature sensors available