Same-day appointments. Affordable pricing. Judgment-free support.
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With thousands of locations worldwide, you're sure to find a Smart Start close by.
Make the Smart Choice with Smart Start
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Smart Start Interlock
Gets You Back on the Road Faster
Drive away in 3 easy steps
Don't Overpay for Your Interlock
A Smart Start Interlock Gets You Back on the Road Today
1. Fill out the form
2. We'll call you to schedule your install with a professional technician
3. Hit the road
*Schedule today to get a FREE interlock
We always keep our prices transparent so that more money stays in your pocket.
MISSOURI COURT
APPROVED
He was patient and kind. This is embarrassing and I’m glad he made the call easy for me.
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"
I was nervous and unsure of what exactly needed to be done and she guided me through the entire process and made it much easier than I anticipated.
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Over 1 Million Smart Start Customers Agree
Excellent
888.888.8888
Smart Start Interlock Gets You Back on the Road Faster
888.888.8888
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Fastest Way To Get Your License Back in Missouri
GET BACK ON THE ROAD!
Why More Drivers Choose Smart Start
At Smart Start, we don’t just install interlock devices—we help you move forward. With transparent pricing, fast service, and over 30 years of proven support, we’re the trusted leader in ignition interlock solutions nationwide.
Affordable & Transparent Pricing
Starting at just $1.99/day – as low as $59.99/month
Installation fees as low as $80
Biweekly payment options to fit your budget
No hidden monthly fees like many competitors
Price Match Guarantee on national offers
▸ Talk to a state expert to verify a competitor’s quote
▸ We’ll expose hidden cancellation or service fees others may chargeNo long-term contracts – freedom and flexibility built in
Fast & Convenient Service
Same-Day Installation available — or get $100 OFF
Mobile installation & calibration available in select states
2,000+ locations nationwide for unmatched convenience
Quick installs by trained techs who treat your vehicle with care
Reliable, User-Friendly Devices
Compact and discreet design that blends with your car
Sanitary, simple-to-use blow patterns
Bilingual device language options (English & Spanish)
Bilingual customer service support
Dedicated Program Advisors help you navigate state requirements and get your license back faster
Trusted by Over 1 Million Customers
30+ years of experience
24/7 customer support – real people, always ready to help
#1 Interlock Provider in the U.S.
Top-Rated on TrustPilot – 4.7 out of 5 stars
▸ Over 650+ new 4 & 5-star reviews every month
Ready to Take the Next Step?
Call (682) 223-5763 now or schedule online to get started.
Whether you need an installation today or have questions about your state’s program, we're here to help you get back on the road—safely and affordably.
