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Alcohol Detection Systems vs Low Cost Interlock

Your state's approved list decides first: in most states you can only choose from the companies on it. Where both are approved, the device, the service centers near you and the fees are what differ.

Alcohol Detection Systems logoAlcohol Detection SystemsDeterminator28 of 44 state lists
Low Cost Interlock logoLow Cost InterlockLCI-77719 of 44 state listsApp Store 1.4 from 11 ratings

Where each one is approved

AlabamaAlaskaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaHawaiiIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island
BothOnly Alcohol Detection SystemsOnly Low Cost InterlockNeitherNo list we could read
Both 14

Arizona, Arkansas, California, Connecticut, Florida, Idaho, Kansas, Kentucky, Missouri, Nebraska, New Jersey, Oklahoma, Rhode Island, Vermont

Only Alcohol Detection Systems 14

Alaska, District of Columbia, Georgia, Illinois, Indiana, Maine, Maryland, Massachusetts, New Hampshire, Ohio, Oregon, Pennsylvania, South Carolina, Tennessee

Only Low Cost Interlock 5

Minnesota, Texas, Utah, Wisconsin, Wyoming

Alcohol Detection Systems vs Low Cost Interlock: the devices

Alcohol Detection SystemsLow Cost Interlock
How you blowThe Determinator 2 asks for a blow / suck / blow sample.1The LCI Co-Pilot uses a blow/hum or straight hum pattern, depending on your state.2
CameraThe Determinator 2 comes in a hand-held version with a camera.3On the LCI-777, a camera is an optional accessory. An icon shows on the handset when one is attached.4
Warm-upNo warm-up time is listed. The device must warm to operating temperature before it asks for a sample.5The LCI-777 warm-up may take up to 2 minutes.6
Rolling retest windowThe time you get to give a rolling retest sample is typically 3 minutes.7The LCI-777 asks for a sample 5-7 minutes into a rolling retest. The device FAQ gives a minimum of 5.8
SensorNot publishedThe LCI Co-Pilot uses a quarter-size electrochemical fuel cell sensor.9
GPSNot publishedOn the LCI-777, GPS is an optional accessory. An icon shows on the handset when it is attached.4
Real-time reportingNot publishedThe LCI-777 shows a GSM icon when its cellular reporting hardware is attached.4
Operating temperatureNot publishedThe LCI Co-Pilot handset is rated for -45 °C to +85 °C.10
Size and weightNot publishedThe LCI Co-Pilot handset measures 4.75 x 2.5 x 1.75 in and weighs 148 grams.11
ScreenNot publishedThe LCI-777 has a color display.12
AppNot publishedLow Cost Interlock offers an app called Warm Up App.13

Alcohol Detection Systems vs Low Cost Interlock fees

FeeAlcohol Detection SystemsLow Cost Interlock
Monthly leaseNot publishedas low as $78.76National, varies by state and vehicle14
InstallationNot published$100-$250National, varies by state and vehicle15
CalibrationNot published$25National, varies by state and vehicle16
RemovalNot published$129.50National, varies by state and vehicle17
Lockout or violation resetNot published$125National, varies by state and vehicle18
Closing or admin feeNot published$150National, varies by state and vehicle19
Enrollment or set-upNot published$40National, varies by state and vehicle20
Damage or lossNot published$20-$500National, varies by state and vehicle21

In Texas

Alcohol Detection SystemsLow Cost Interlock
Certified service centers63
Advertisedby quote$70–$100/mo
Installby quoteby quote

Texas DPS service center list; prices advertised Oct 23, 2026. Texas interlock guide

InterlockCompare is independent and isn't affiliated with either company. Not legal advice.

Sources 21 sources from 2 sites, including nmtsc.unm.edu, lowcostinterlock.comShow

Every fact on this page comes from one of these.

  1. providing a Blow/Suck/Blow samplenmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  2. Blow/Hum Techniquelowcostinterlock.com/wp-content/uploads/2025/05/LCI-Co-Pilot-User-Instructions.pdf
  3. Determinator Hand Held with Cameranmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  4. Sync GPS GSM HUB Cameralowcostinterlock.com/wp-content/uploads/2021/12/2016-11-09-LCI-777-User-Manual.pdf
  5. The Determinator must warm to operating temperature before a sample is requestednmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  6. This may take up to 2-minuteslowcostinterlock.com/wp-content/uploads/2021/12/2016-11-09-LCI-777-User-Manual.pdf
  7. The typical time allowed isnmtsc.unm.edu/wp-content/uploads/ADS-User-Manual-Determinator-2.pdf
  8. 5 to 7 minutes to submit a breath samplelowcostinterlock.com/wp-content/uploads/2021/12/2016-11-09-LCI-777-User-Manual.pdf
  9. Quarter-size Electrochemical Fuel Celllowcostinterlock.com/wp-content/uploads/2025/05/LCI-Co-Pilot-User-Instructions.pdf
  10. -45°C to +85°Clowcostinterlock.com/wp-content/uploads/2025/05/LCI-Co-Pilot-User-Instructions.pdf
  11. 4.75 x 2.5 x 1.75 inlowcostinterlock.com/wp-content/uploads/2025/05/LCI-Co-Pilot-User-Instructions.pdf
  12. Color Displaylowcostinterlock.com/wp-content/uploads/2021/12/2016-11-09-LCI-777-User-Manual.pdf
  13. Warm Up Applowcostinterlock.com
  14. As low as $78.76lowcostinterlock.com/ignition-interlock-pricing
  15. Installation (one-time)lowcostinterlock.com/ignition-interlock-pricing
  16. Calibration (per visit)lowcostinterlock.com/ignition-interlock-pricing
  17. Removal (one-time)lowcostinterlock.com/ignition-interlock-pricing
  18. Unlock codelowcostinterlock.com/ignition-interlock-pricing
  19. Administrative transferlowcostinterlock.com/ignition-interlock-pricing
  20. Set-up / enrollment (one-time)lowcostinterlock.com/ignition-interlock-pricing
  21. Device replacementlowcostinterlock.com/ignition-interlock-pricing