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ADT vs. Smith Thompson

Compare ADT and Smith Thompson to find the best security solution for your home.

Both ADT and Smith Thompson offer basic home security systems and provide 24/7 monitoring, but there are quite a few differences between them. ADT is a nationally recognized company with over 145 years of experience, whereas Smith Thompson is a family-owned company that serves the Texas area. ADT security offers more home security features than Smith Thompson but requires a contract. However, Smith Thompson is less expensive. See what both home security companies offer to decide which one is best for your home.

Compare ADT vs. Smith Thompson

Compare ADT vs. Smith Thompson


Winner: ADT

ADT offers the basic equipment at $99 with a three-year contract. Smith Thompson charges $299 upfront and $89 for installation, but you are not required to have a contract. ADT offers the better value with upfront cost with equipment, but the price over time depends on your package, equipment and contract length.


Winner: Smith Thompson

Smith Thompson offers 24/7 professional monitoring for $16.95/mo., and $6.99/mo. For mobile app control. ADT has three levels of monitoring between $35.99/mo. and $57.99/mo. for video surveillance. Smith Thompson is the more cost-effective provider for monitoring.


Tie: ADT & Smith Thompson

Neither Smith Thompson nor ADT offer DIY installation, but both offer professional installation for proper setup, hassle-free. ADT professional installation costs between $99 and $199 depending on your home security package. Smith Thompson’s installation costs slightly less at only $89. 


Tie: ADT & Smith Thompson

ADT and Smith Thompson offer similar equipment you can choose from to protect your home. You’ll find devices like motion detectors, door/window sensors, and others for intrusion detection. You can also purchase indoor, outdoor, and video doorbell cameras with ADT and Smith Thompson. And if creating a smart home is of importance, both providers offer several smart home products for light control, lock control, temperature control and more.

No Contract

Winner: Smith Thompson

If you’re not wanting to commit to a provider for an extended period of time for their service, Smith Thompson is the better option as you won’t have to sign a contract. With ADT , you’ll have to sign a 3-year contract for their service.

Trial Period

Winner: ADT

ADT’s 6-month Money-Back Guarantee makes your satisfaction a priority. If they cannot resolve any system-related issues within the first six months of service you’ll be refunded for monitoring and installation fees paid. With Smith Thompson, you’ll only have 3 days to cancel your service for a refund of any initial costs paid.

Summary: ADT vs. Smith Thompson

Summary: ADT vs. Smith Thompson

Professional monitorin starts at $35.99/mo. $16.95/mo.
Installation Professional Professional
Trial Period 6 months 3 days
BBB rating A+ A+
Frequently Asked Questions About ADT and Smith Thompson

Frequently Asked Questions About ADT and Smith Thompson

How does their customer service compare?

ADT offers 24/7 tech support, but Smith Thompson does not. They’re available Monday through Friday from 8 a.m. to 6 p.m., and Saturdays from 9 a.m. to 3 p.m.

What happens if I move?

Unfortunately, Smith Thompson’s equipment cannot be moved once it’s been installed at your home. If you move, you will have to leave your security system there.

If you’re an ADT customer, you may be able to take your existing equipment reinstalled at your new home. However, you may be charged installation and activation fees. If you cannot take the system, ADT offers $100 off a new system and 25% off new sensors and other devices.

Are there any other services provided by these companies?

Smith Thompson offers pest control for $59 for existing customers.

ADT offers identity theft protection for $10/mo. contract-free. Specialists can monitor accounts, credit cards, and other personally identifiable information (PII) for your personal security. ADT will also report any fraudulent activity they detect.


Written by

Dashia Starr

Dashia researches and writes on all things home automation and security. She focuses on the latest news, products, and providers to share only the best with you.