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 public page it was captured from — the vendor's own wherever the vendor publishes the number, otherwise the named public source — with the date we captured it.
SimpliSafe has the lower entry price — ADT starts at $24.99/mo, SimpliSafe at $0/mo. Free tier: ADT No, SimpliSafe Yes. HIPAA: ADT —, SimpliSafe —.
As of 2026-09-05 · figures link to their source below
Side by side
ADT
$24.99/mo entrySimpliSafe
$0/mo entrySources — ADT: adt.com (verified 2026-09-05) · SimpliSafe: support.simplisafe.com (verified 2026-09-05)
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