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Intoxalock vs RoadGuard

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.

PASSED
Intoxalock logoIntoxalockIntoxalock 1001A37 of 44 state listsApp Store 1.7 from 899 ratings
RoadGuard logoRoadGuardDräger Interlock 700028 of 44 state lists

Where each one is approved

AlabamaAlaskaArizonaColoradoFloridaGeorgiaIndianaKansasMaineMassachusettsMinnesotaNew JerseyNorth CarolinaNorth DakotaOklahomaPennsylvaniaSouth DakotaTexasWyomingConnecticutMissouriWest VirginiaIllinoisNew MexicoArkansasCaliforniaDelawareDistrict of ColumbiaHawaiiIowaKentuckyMarylandMichiganMississippiMontanaNew HampshireNew YorkOhioOregonTennesseeUtahVirginiaWashingtonWisconsinNebraskaSouth CarolinaIdahoNevadaVermontLouisianaRhode Island
BothOnly IntoxalockOnly RoadGuardNeitherNo list we could read
Both 23

Alaska, Arkansas, California, Connecticut, Florida, Idaho, Iowa, Maryland, Massachusetts, Minnesota, Missouri, Nebraska, Nevada, New Hampshire, New Jersey, New York, Ohio, Oklahoma, Pennsylvania, Tennessee, Utah, Washington, Wyoming

Only Intoxalock 14

Arizona, Colorado, Delaware, Illinois, Kansas, Kentucky, Maine, North Carolina, Oregon, South Carolina, South Dakota, Texas, Vermont, Wisconsin

Only RoadGuard 5

Alabama, District of Columbia, Georgia, Indiana, Virginia

Intoxalock vs RoadGuard: the devices

IntoxalockRoadGuard
SensorFuel cell, on both the 1001A and the eLERT.1The Interlock 7000 handset uses an electrochemical sensor.2
How you blowBlow, inhale, then blow again into the mouthpiece. No humming is mentioned.3RoadGuard says it is a simple blow-and-suck device.4
CameraOptional or state-dependent on the 1001A. The eLERT includes a camera.5An integrated infrared camera is optional.6
GPSAvailable on the 1001A in Class II/III configurations. The eLERT includes GPS.7A GPS configuration appears in the New York listing for the 7000.8
Real-time reportingAvailable on the 1001A as an advanced add-on. The eLERT includes it.9Real-time reporting runs through an optional GPRS module.6
Warm-upAbout 6 seconds normally. Intoxalock says it can take up to 3 minutes in extreme heat or cold.10Under 4 seconds above 0 °C, under 60 seconds at -20 °C, and under 110 seconds at -45 °C.11
Rolling retest window6 minutes, according to the Intoxalock FAQ. Your state sets the actual rule.12RoadGuard says you will have "several minutes" to give the test. It gives no figure.13
ScreenLED text display. It shows your breath alcohol reading only in states that allow it.14The handset has a graphic color display.15
Electric and hybrid carsNo exclusion is stated. Intoxalock asks you to tell your representative to get an estimate.16New York's fee schedule lists a higher hybrid install fee ($200 vs $100). RoadGuard makes no compatibility statement.17
MotorcyclesNot supported. Intoxalock says its devices are not designed for motorcycles.18Not published
BatteryA New Mexico manual says to start the vehicle 4 days a week for 5 minutes to keep the battery charged.19Runs on a 12 to 24 V supply, with a maximum draw under 2 A and under 1 mA on standby.20
AppThe Intoxalock Mobile App is for your account, on Android and iPhone. Bluetooth on the handset is not stated.21Bluetooth and infrared are used for data download. There is no consumer app.22
Operating temperatureNot published-45 °C to 85 °C.23
Size and weightNot publishedHandset about 138 x 61 x 36 mm and 178 g. Control unit about 148 x 90 x 32 mm and 300 g.24

Intoxalock vs RoadGuard fees

Both companies file a fee schedule with New York State, so these rows compare the same kind of number: the New York amounts. Prices in other states differ, but the list shows which fees each company charges. Check the filing dates: an older filing may not match today's prices.

FeeIntoxalockNY filing, Feb 2021RoadGuardNY filing, 2021
Monthly lease$99.99Maximum filed in New York25$92.00Filed in New York26
Installation$125-$250Filed in New York27$100.00Filed in New York28
Calibration$3.00Filed in New York29Not published
Removal$75.00Filed in New York30$69.00Filed in New York31
Lockout or violation reset$75.00Filed in New York32$75.00Filed in New York33
Missed appointmentNot published$50.00Filed in New York34
Closing or admin fee$59.99Filed in New York35Not published
Enrollment or set-up$27.50Filed in New York36Not published
Damage or loss$150-$3,000Filed in New York37$900.00Filed in New York38
Insurance or protection plan$5-$10 bi-weekly / $9.99-$19.99 monthly (deductible $200 or $500)Filed in New York39$5-$10Filed in New York40

In Texas

IntoxalockRoadGuard
Certified service centers53273
Advertised$89.99–$101.99/moby quote
Install~$100by 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 40 sources from 5 sites, including criminaljustice.ny.gov, rockallsafety.co.uk, intoxalock.comShow

Every fact on this page comes from one of these.

  1. Utilizes fuel cell technologycriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  2. Measuring principle Electrochemical sensorrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  3. blow, inhale, and blow again into the device’s mouthpieceintoxalock.com/ignition-interlock-devices/faq
  4. we have a simple blow and suck deviceroadguardinterlock.com
  5. many states now require interlock devices with camerasintoxalock.com/ignition-interlock-devices/faq
  6. can be equipped with a camera and/or a GPRS modulerockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  7. Intoxalock 1001A (Camera, GPS, & RTD)criminaljustice.ny.gov/opca/pdfs/Qualified Manufacturer Listing Devices-01202026.pdf
  8. Draeger Interlock 7000 (Camera, GPS, & RTD)criminaljustice.ny.gov/opca/pdfs/Qualified Manufacturer Listing Devices-01202026.pdf
  9. a camera to verify driver identity, real-time reportingintoxalock.com/ignition-interlock-devices
  10. Intoxalock may take up to 3 minutes to preparenmtsc.unm.edu/wp-content/uploads/New-Mexico_Intoxalock_Users-Manual.pdf
  11. Readiness for use < 4 sec. (above 0 °C)rockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  12. you’ll have a 6-minute window to provide a breath sampleintoxalock.com/ignition-interlock-devices/faq
  13. You will have several minutes to give the testroadguardinterlock.com/wp-content/uploads/2019/04/interlock-7000-if-en-user-manual_1.51.pdf
  14. LED screen reading of breath alcohol content (BrAC)intoxalock.com/ignition-interlock-devices
  15. Graphic colour display in handset with full text messagesrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  16. Let your Intoxalock representative know if you drive an electric-powered vehicle or hybridintoxalock.com/ignition-interlock-devices/faq
  17. Installation Fee (Hybrid)criminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  18. Intoxalock IIDs are not designed for use on motorcyclesintoxalock.com/ignition-interlock-devices/faq
  19. at least four (4) separate days per week for five (5) minutes eachnmtsc.unm.edu/wp-content/uploads/New-Mexico_Intoxalock_Users-Manual.pdf
  20. 12 V to 24 Vrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  21. Download the Interlock App for Android and iPhoneintoxalock.com/app
  22. Infrared interface, Bluetoothrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  23. Temperature - 45 °C to 85 °Crockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  24. Handset approx. 138 mm x 61 mm x 36 mmrockallsafety.co.uk/wp-content/uploads/2019/11/drager-interlock-7000.pdf
  25. Monthly Lease Paymentcriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  26. Monthly Feecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  27. Installation (varies based on vehicle type)criminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  28. Installation Fee (Standard)criminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  29. Data Processing Feecriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  30. Removal Feecriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  31. Removal Feecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  32. Lockout Reset Feecriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  33. Violation Resetcriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  34. Missed Appointment Feecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  35. Administrative Closing Feecriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  36. Account Set Up Feecriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  37. Damage, lost, stolen or unreturned device feecriminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  38. Lost, Destroyed Handset Fee (no insurance)criminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf
  39. Device Protection Package (Optional)criminaljustice.ny.gov/opca/pdfs/Intoxalock-Device-and-Fee-Schedule-8-15-2021.pdf
  40. Insurancecriminaljustice.ny.gov/opca/pdfs/Draeger-Device-and-Fee-Schedule-8-15-2021.pdf