Low Cost Interlock vs RoadGuard Interlock

Low Cost Interlock

lowcostinterlock.com

Analyzed October 13, 2026

Depends

Confidence: Medium

Buy this if a court requires an interlock and price is the priority; it prices below rivals with a 3.7 Trustpilot rating.

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RoadGuard Interlock

roadguardinterlock.com

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Pick Low Cost Interlock when

Court-ordered drivers on a tight budget
Drivers in states where LCI is approved
Price-sensitive first-time IID users

When Low Cost Interlock is not a fit

Drivers who want top-rated support
Anyone whose state excludes LCI from its approved list
Buyers who dread false positives after mouthwash or toothpaste
Drivers who want a BBB-accredited vendor

Sources

Low Cost Interlock Reviewstrustpilot.com
review
Reddit, r/dui: least discreet IID threadreddit.com
review
Reddit, r/dui: false-positive paranoia threadreddit.com
review
Low Cost Interlock BBB complaintsbbb.org
review
Low Cost Interlock Yelp reviewsyelp.com
review
LCI interlock pricing pagelowcostinterlock.com
official
LCI monthly cost breakdownlowcostinterlock.com
official
Arkansas interlock provider listdfa.arkansas.gov
official
LifeSafer vs Low Cost Interlock comparisonlifesafer.com
news
Gridinsoft trust score for lowcostinterlock.comgridinsoft.com
security
Owler company profileowler.com
news
ca.trustpilot.comca.trustpilot.com
review