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The short version, stated honestly: SimpliSafe and ADT are not really competing on the same terms. SimpliSafe is a DIY, self-install system sold and reviewed extensively on Amazon, with no contract required for monitoring. ADT’s core business is professionally installed, contract-based home security sold directly through its own sales channel — its retail Amazon presence (the ADT Blu self-install line) is new and carries only a few dozen verified ratings per product, nowhere near the review depth SimpliSafe or Ring have built up. This page compares what can honestly be compared and flags where it cannot.

Top Picks: SimpliSafe, ADT and an Alternative

DIY self-installation with optional professional monitoring, no contract required, backed by a deep base of owner ratings. An 8-piece wireless sensor kit covers multiple entry points from one purchase.
Why You Should Get This
If you want whole-home sensor coverage with no long-term contract, this is the higher-rated pick.
Benefits
- 8-piece kit covers multiple entry points from one purchase.
- Optional 24/7 professional monitoring, no contract required.
- Higher star rating than ADT’s comparable product.
Pros and Cons
- Higher rating and deeper review base than ADT.
- No long-term contract required.
- DIY self-install, no technician needed.
- Professional monitoring carries a monthly fee if chosen.
- Not primarily a video camera product.
- Sensors need correct placement to work well.
Features
- 8-piece wireless sensor kit.
- Optional 24/7 professional monitoring.
- No contract required.

For buyers who want the ADT name and a self-install starting point into its ecosystem, at a premium price and a modest owner rating. It represents ADT’s self-install DIY camera line, a path into the broader ADT monitored ecosystem.
Why You Should Get This
If you specifically want the ADT brand or plan to expand into ADT-monitored alarm service, this is the entry point.
Benefits
- Entry point into the ADT-monitored ecosystem.
- Self-install, no technician visit required for this device.
- ADT brand name recognition.
Pros and Cons
- Established security brand.
- Path to professional monitoring if wanted later.
- Self-install, no appointment needed.
- Lower star rating than SimpliSafe.
- Smaller review base than SimpliSafe.
- Higher price for a single camera than SimpliSafe’s whole kit.
Features
- Video doorbell.
- Self-install.
- ADT ecosystem entry point.

A third DIY camera option worth comparing: the most-reviewed and highest-rated video doorbell in the US market. Its head-to-toe view shows the package on the mat. No professional monitoring contract required.
Why You Should Get This
If you want a single well-reviewed DIY camera rather than either monitored-alarm brand, this is the alternative.
Benefits
- Deepest review base of any doorbell in this comparison.
- No professional monitoring contract required.
- Head-to-toe view shows the whole doorstep.
Pros and Cons
- Largest, most trustworthy review base of the three.
- No contract, cancel anytime.
- Lower price than either alarm system.
- Recorded clip history needs a Ring subscription.
- No professional monitoring or dispatch.
- No door/window sensor coverage.
Features
- Head-to-toe 1:1 view.
- Removable battery or hardwiring.
- Two-way talk.
Representative Products Compared
| Product | Best for | Price | Buy |
|---|---|---|---|
| SimpliSafe 8 Piece Wireless Home Security System | SimpliSafe pick | $179.99 | Price |
| ADT Blu Video Doorbell Home Security System | ADT pick | $179.40 | Price |
Note: the ADT Blu Video Doorbell above is one entry point into ADT’s retail lineup, not a like-for-like match to the SimpliSafe kit — ADT’s traditional professionally installed system is a separate, larger purchase this page does not have Amazon review data for.
Where the Real Differences Are
Installation model. SimpliSafe is built around self-installation — most owners have a working system within an hour. ADT’s traditional strength is professional installation, historically the more common route for its core alarm and monitoring business, though its newer ADT Blu retail products are self-install like SimpliSafe’s.
Contract commitment. SimpliSafe’s monitoring is month-to-month with no long-term contract. ADT’s traditional professionally installed service has historically involved multi-year contracts, one of the most consistently raised owner and industry complaints about the company relative to DIY competitors.
Review evidence. SimpliSafe’s Amazon listings carry thousands of verified owner ratings, giving real statistical weight to its strong average rating. ADT’s retail products carry only a handful of ratings each — not enough to draw a confident conclusion either way about the ADT Blu line specifically, and this page does not have comparable Amazon review data for ADT’s traditional professionally installed and monitored service at all.
Business model fit. SimpliSafe suits a renter, a first-time buyer, or anyone who wants to self-install and avoid a contract. ADT’s traditional service suits someone who specifically wants professional installation, an established national monitoring company, and is comfortable with a contract in exchange for that.
Winner by Use Case
Best DIY system with a deep, trustworthy review base: SimpliSafe, by a wide margin on evidence alone.
Best for avoiding a long-term contract: SimpliSafe, on month-to-month monitoring.
Best if you specifically want professional installation and an established national monitoring brand: ADT’s traditional service — a comparison this page’s Amazon-review method cannot fully evaluate; read ADT’s own terms directly.
Best if you want to try ADT’s brand with a lower-commitment self-install product: ADT Blu, understanding its Amazon review base is currently thin.
Read More
See is a security camera system worth it and security camera vs monitored alarm system for the broader DIY-vs-monitored decision, and NVR camera systems for self-install, no-monthly-fee alternatives to either.
Verdict
Choose SimpliSafe if you want a well-evidenced, no-contract, self-install system — the review depth alone makes it the safer bet based on what can actually be verified. Choose ADT specifically if a professionally installed system with an established national monitoring company matters more to you than DIY flexibility and Amazon review transparency, and go in understanding this comparison could not evaluate that side of ADT’s business with the same evidence.