NC Provider Comparison

Monitech vs Intoxalock: Which IID Is Better in NC?

For North Carolina drivers, Monitech wins on every major metric — rating, price, NC expertise, and customer service. Here's why.

Clear Winner for NC

Monitech

Monitech outperforms Intoxalock in North Carolina on rating, cost, local expertise, and customer satisfaction. Intoxalock's only advantage is nationwide coverage if you need to relocate.

At a Glance

Monitech

Winner (NC)
4.5/5 rating
200+ NC locations
$75-95/month
  • NC's most trusted IID provider
  • Lower monthly cost than Intoxalock
  • Camera included (NC required)

Intoxalock

Runner-up
3.8/5 rating
3,000+ national locations
$80-100/month
  • Available nationwide (if you relocate)
  • Higher monthly cost in NC
  • Mixed customer service reviews

Feature-by-Feature Comparison

FeatureMonitechIntoxalock
NC Service Locations200+150+
State CoverageNorth Carolina onlyAll 50 states
Monthly Cost$75-95$80-100
Installation$0-75$75-150
NC NCDMV Experience25+ yearsGeneral
Customer Rating4.5/53.8/5
Customer ServiceHighly ratedMixed reviews
Camera (NC required)IncludedAdditional cost
Cancellation FeesLowReported high

The Bottom Line

Choose Monitech if:

  • You're staying in North Carolina for your entire requirement period
  • You want the best-rated local provider
  • You want to avoid Intoxalock's higher monthly cost and cancellation fees

Choose Intoxalock if:

  • You plan to relocate out of NC during your requirement period
  • No Monitech location is convenient to you

Other Comparisons

Monitech vs Smart Start

How does Monitech compare to the national leader?

Intoxalock vs Smart Start

National providers head-to-head

Sources

Comparison based on provider websites, NC NCDMV data, and customer reviews as of March 2026.Last updated: March 20, 2026

  1. 01
    NCDMV - Ignition Interlock Devices
    ncdot.gov · NCDMV list of interlock providers, including Monitech and Intoxalock
  2. 02
    Intoxalock - North Carolina Ignition Interlock Device (IID) & DWI Laws
    intoxalock.com · Intoxalock fees and North Carolina interlock rules
  3. 03
    NHTSA - Ignition Interlocks: What You Need to Know (DOT HS 811 883)
    nhtsa.gov · How interlock programs, costs and vendor oversight work

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