A
ADTBest professional monitoring
The most established name in professionally installed and monitored security.
- Long track record
- Full-service setup
- Usually requires a contract
Home Security · Updated October 2026
ADT vs SimpliSafe (2026)
Both are popular home security choices. Here's how they compare on monitoring fee · equipment · contract, and which one fits which shopper.
The quick verdict
- ADT Best professional monitoring The most established name in professionally installed and monitored security.
- SimpliSafe Best DIY system A flexible, contract-free option that renters and owners can take with them.
S
SimpliSafeBest DIY system
A flexible, contract-free option that renters and owners can take with them.
- No contract
- Easy to move
- Equipment is paid upfront
Side-by-side comparison
A | S | |
|---|---|---|
| Install | Professional | DIY (pro optional) |
| Monitoring | 24/7 professional | Optional 24/7 plans |
| Contract | Typically required | None |
| Visit site | Visit site |
Also consider
- Vivint · Best smart home integration
What to compare before you choose
- Professional vs. self-monitoring. Professional monitoring dispatches help. Self-monitoring sends alerts to your phone only.
- Upfront or financed. Some providers bundle equipment into the monthly fee in exchange for a contract.
- Term and cancellation. Check contract length and early termination fees, especially if you might move.
- Pro install vs. DIY. DIY kits are cheaper and portable. Professional installs suit wired homes and larger systems.
Compare all home security providers that serve your ZIP code.
Compare Home SecurityTrademark and logo notice: Company names, logos and trademarks are the property of their respective owners and are used only to identify each company and its products. Their appearance does not mean that any company endorses, sponsors or is affiliated with The Top 10 Experts, unless we say so. Facts were checked against public sources in October 2026; confirm current terms with the provider. Customer ratings are Trustpilot TrustScores as of October 2026, shown only for companies rated 4.0 or higher with at least 25 reviews; The Top 10 Experts is not affiliated with Trustpilot. To request a change, contact legal@thetop10experts.com.