Provider Comparison

Intoxalock vs LifeSafer: Which Should You Choose?

Two of the longest-established IID providers go head-to-head. Here's what actually matters for your day-to-day experience.

Our Pick

LifeSafer

Wins on total cost, customer satisfaction, and device reliability. Intoxalock's larger location network is its primary advantage for rural users.

At a Glance

LifeSafer

Winner
4.3/5 rating
1,700+ locations
$60-80/month
  • Lower monthly rates
  • Calibration typically included
  • 30+ years, trusted track record

Intoxalock

Runner-up
3.8/5 rating
4,500+ locations
$70-90/month
  • Largest service network
  • Higher monthly and installation costs
  • Inconsistent billing and support reviews

Feature-by-Feature Comparison

FeatureLifeSaferIntoxalock
Service Locations1,700+4,500+
State Coverage48 statesAll 50 states
Monthly Cost$60-80$70-90
Installation$0-75$75-150
CalibrationUsually includedSometimes extra
Customer Support24/7 (well-rated)24/7 (mixed reviews)
Years in Business30+30+
Device ReliabilityAbove averageAverage

True Cost Comparison

When you factor in installation and calibration, LifeSafer typically costs significantly less over the course of a year.

12-Month EstimateLifeSaferIntoxalock
Installation$50$110
Monthly × 12$840$960
Calibration × 12$0 (included)$0-360 (varies)
Removal$75$75
Total~$965$1,145-1,505

Key insight: LifeSafer's all-in pricing is more predictable. Always ask any provider exactly what's included in the monthly fee before signing.

Service Network

Intoxalock has more locations overall, but LifeSafer's 1,700+ centers are well-distributed in most metro areas and consistently receive better technician reviews.

LifeSafer

1,700+

Available in 48 states. Service centers known for trained technicians and shorter appointment wait times.

Intoxalock

4,500+

Available in all 50 states. Largest network in the U.S. — advantageous if you live in a rural area.

The Bottom Line

Choose LifeSafer if:

  • • You want lower, more predictable monthly costs
  • • There's a LifeSafer location convenient for you
  • • You prefer transparent, all-inclusive pricing
  • • Customer service satisfaction matters

Choose Intoxalock if:

  • • LifeSafer has no service center near you
  • • You're in Alaska or Hawaii (LifeSafer not available)
  • • You receive a significantly better quote from them

Other Comparisons

Sources

Last updated: March 17, 2026

Comparison based on provider websites, customer reviews, and industry analysis as of March 2026:

  • LifeSafer Official Site — Pricing and state coverage
  • • NHTSA IID program data — State approval and coverage information

Disclosure: This page contains affiliate links. We may earn a commission if you install an interlock device through our partners, at no additional cost to you.