Best Smart Start Interlock Apps

249+ iOS apps curated and reviewed

3.1 avg rating
20 free apps
Updated October 2026

From beginner-friendly picks to power-user tools, our smart start interlock list covers 249+ iPhone apps updated through October 2026. Compare ratings, prices, and screenshots in one place.

Compare top Smart Start Interlock Apps (October 2026)

#AppPriceRatingAdsIn-App PurchasesUpdated
1Smart Start Client PortalSmart Start Client PortalFree2.0★ (114)NoNoOct 2026
2IntoxalockIntoxalockFree1.7★ (903)NoNoOct 2026
3C3 SmartC3 SmartFree1.0★ (3)NoNoMay 2026
4DOOR: Smart Access & ControlDOOR: Smart Access & ControlFree4.5★ (50K)NoNoNov 2026
5KERONG Smart Cabinet LockKERONG Smart Cabinet LockFree—NoNoMay 2026
6Raixer: WiFi Smart LockRaixer: WiFi Smart LockFree—NoNoMay 2026
7HOAU SmartHOAU SmartFree—NoNoMay 2026
8Smart Lock-One Key AccessSmart Lock-One Key AccessFree1.0★ (1)NoNoOct 2026

Top Picks for Smart Start Interlock

Smart Start Client Portal#1

Smart Start Client Portal by Smart Start, Inc

Smart Start Account Management
Editor's Choice
💼 Business
2.0(114 ratings)
Free
Smart Start Client Portal screenshot 1
Smart Start Client Portal screenshot 2
Smart Start Client Portal screenshot 3
Smart Start Client Portal screenshot 4
Smart Start Client Portal screenshot 5

Manage your alcohol monitoring account conveniently from your phone. Make payments, purchase unlock codes, find service centers, and update your profile. New users can enroll and prepare for installation appointments.

Intoxalock#2

Intoxalock by Consumer Safety Technology, LLC

Ignition Interlock Device
Strong Contender
💼 Business
1.7😞(903 ratings)
Free
Intoxalock screenshot 1
Intoxalock screenshot 2
Intoxalock screenshot 3
Intoxalock screenshot 4
Intoxalock screenshot 5
Intoxalock screenshot 6

Manage your ignition interlock device account with ease. Track your status, make payments, schedule calibrations, and access important device information. Stay compliant and connected to your service center.

What We Love

  • 🚀 Convenient app features
  • ⏱️ Time-saving features
  • 🔒 Responsive customer support

Room to Improve

  • 💰 Excessive hidden fees
  • 🔋 Battery draining device
  • 🔧 Frequent device malfunctions
  • ⏰ Dangerous driving distractions
  • 🤖 Poor customer service
  • 🤯 Frustrating user experience
1.0(3 ratings)
Free
C3 Smart screenshot 1
C3 Smart screenshot 2
C3 Smart screenshot 3
C3 Smart screenshot 4
C3 Smart screenshot 5

Easily manage and operate your Codelocks Smart Locks with a user-friendly interface. Program settings, issue access, and generate time-sensitive codes. Stay informed with lock notifications and update firmware seamlessly.

More Smart Start Interlock apps to explore

FAQ about Smart Start Interlock

What are the best smart start interlock apps for iPhone?
Smart Start Client Portal tops our smart start interlock apps ranking as of October 2026, with a 2.0-star average from 114 App Store ratings, and it's free to download.
Yes — 20 of the top smart start interlock apps we rank are free to download, including Smart Start Client Portal and Intoxalock.
Smart Start Client Portal has no ads and has no in-app purchases, according to its App Store listing as of October 2026.
We track 249+ smart start interlock apps on the iOS App Store as of October 2026, ranked by rating, recency, and analysis of real user reviews.