Simple IID Client Portal
Account Management
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Free
About
Simple Interlock now offers a mobile app that makes managing your ignition interlock account a breeze! With this easy-to-use app, you can do everything from making payments and uploading documents to finding nearby service centers – all from the convenience of your phone. Plus, if you're new to Simple Interlock, you can become a client in just a few minutes through the app. This app is designed to make your Simple Interlock experience as hassle-free and of course, simple, as possible!
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What's New in Simple IID Client Portal
5.2.0
August 17, 2026
The app can now display important service and emergency alerts, and this release fixes several reported crashes and visual glitches in the mobile apps. To comply with new state age-requirement laws, the app may now confirm at first launch that you meet the 18+ age requirement, using your device's built-in age settings — this happens only once at sign-in, and no age information is ever stored or shared.
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