Best Home Security System (2026)
The best DIY home security systems of 2026, compared honestly - including what the monthly monitoring really costs and when you can skip it.
A modern home security system is really two purchases: the hardware (one upfront cost) and the monitoring (an optional monthly fee). Most buying guides quietly gloss over the second part. We won't. Below are the three DIY systems worth buying in 2026, and a straight answer on when the monthly plan is worth paying for.
What actually matters
- Self-monitoring vs professional monitoring. Every system here can send alerts to your phone for free (self-monitoring). A paid plan adds a 24/7 monitoring center that can dispatch police or fire. If nobody will reliably answer an alert while you're away, pro monitoring earns its fee. If you're glued to your phone, you may not need it.
- Cellular + battery backup. A burglar can cut Wi-Fi or power. The systems below include a cellular radio and battery so the alarm still phones home - but on most, the cellular backup only works while you have an active monitoring plan.
- No contracts. All three let you pay month-to-month and cancel anytime. Avoid any system that locks you into 36 months.
Best overall: SimpliSafe
SimpliSafe is the easiest system to live with. Sensors peel and stick, the keypad is foolproof, and you can self-monitor for free or turn on 24/7 professional monitoring for $21.99/mo with no contract. It's the one we'd hand a non-techie parent.
SimpliSafe The Core System
DIY security system · Entry + motion + keypad, cellular & battery backup · Monitoring: Free self-monitor; $21.99/mo Fast Protect pro (no contract) · Storage: Cloud (camera clips with plan) · around $250
Pros
- Dead-simple peel-and-stick install, no tools
- Optional 24/7 pro monitoring with no long-term contract
- Cellular + battery backup keeps working in an outage
Cons
- Camera recording and video verification need a paid plan
- Keypad-first design feels less smart-home-connected than rivals
Price and availability last checked October 2026. We may earn a commission — it never changes our pick.
Best for Wi-Fi and local video: Ring Alarm Pro
The Ring Alarm Pro's base station is also an eero Wi-Fi 6 mesh router with cellular internet backup, so a single box covers your network *and* your alarm. If you already live in Alexa and Ring cameras, it's the most integrated option - just know that the best features (local video recording, cellular backup, 24/7 monitoring) sit behind a ~$20/mo Ring Home plan.
Ring Alarm Pro (8-piece)
DIY system + eero Wi-Fi 6 router · Built-in eero router, cellular backup, Alexa · Monitoring: Free self-monitor; ~$20/mo Ring Home Premium pro · Storage: Cloud + local microSD (with plan) · around $250
Pros
- Base station is also a mesh Wi-Fi 6 router
- Local video + cellular internet backup during outages
- Deep Alexa and Ring camera/doorbell integration
Cons
- Most useful features sit behind a Ring Home subscription
- Amazon ecosystem lock-in; privacy-conscious buyers hesitate
Price and availability last checked October 2026. We may earn a commission — it never changes our pick.
Best for no lock-in: Abode
Abode is the pick for privacy-minded buyers and Apple households. It works with HomeKit, Alexa *and* Google, offers on-demand monitoring (turn pro monitoring on only for the weeks you travel), and never forces a contract.
Abode Smart Security Kit
DIY system, no-contract · HomeKit / Alexa / Google, cellular backup option · Monitoring: Free self-monitor; from $6.99/mo, 24/7 pro $21.99/mo on-demand · Storage: Cloud (local to 3rd-party NVR for cams) · around $180
Pros
- Works with Apple HomeKit, Alexa and Google (rare trifecta)
- On-demand 3-day and 7-day monitoring, no lock-in
- Huge range of Z-Wave/Zigbee sensors to expand
Cons
- Smaller brand, less retail support than SimpliSafe/Ring
- App is functional but less polished
Price and availability last checked October 2026. We may earn a commission — it never changes our pick.
Compare the systems
| Model | Type | Key spec | Monitoring | Price | Rating | |
|---|---|---|---|---|---|---|
| Abode Smart Security Kit | DIY system, no-contract | HomeKit / Alexa / Google, cellular backup option | Free self-monitor; from $6.99/mo, 24/7 pro $21.99/mo on-demand | ~$180 | 4.3 ★ | Price → |
| SimpliSafe The Core System | DIY security system | Entry + motion + keypad, cellular & battery backup | Free self-monitor; $21.99/mo Fast Protect pro (no contract) | ~$250 | 4.6 ★ | Price → |
| Ring Alarm Pro (8-piece) | DIY system + eero Wi-Fi 6 router | Built-in eero router, cellular backup, Alexa | Free self-monitor; ~$20/mo Ring Home Premium pro | ~$250 | 4.5 ★ | Price → |
Do you actually need the monthly plan?
Here's the honest version. Self-monitoring (free) is enough if: you're usually reachable, you mainly want deterrence and alerts, and a neighbor can check in. Pay for professional monitoring if: you travel often, want police/fire dispatch when you can't respond, or need the alarm to work during an internet or power cut (on most systems cellular backup is plan-gated). For a deeper breakdown of the fees, see our SimpliSafe vs Ring vs Arlo monitoring comparison.
Bottom line
Buy SimpliSafe if you want the simplest, most trustworthy all-rounder. Choose the Ring Alarm Pro if you want your router and alarm in one box and live in the Amazon ecosystem. Pick Abode if you want HomeKit support and the freedom to switch monitoring on and off. All three are genuinely good - the right one depends on how much you'll lean on the monthly service.