Pay for metered street parking in the city of Chicago with the ParkChicago app. It's the easy and convenient way to pay for parking on-the-go without having to visit a pay box. Look for the ParkChicago logo on street signs throughout the city to determine availability in your area. Features include: * Pay for parking without having to visit the pay box or place a receipt on your dashboard* Mobile alerts 10 minutes prior to your time expiring* Extend your parking time remotely* Receipts emailed straight to your inbox* Add multiple vehicles For each transaction less than 2 hours, a 35. convenience fee is added. For each transaction of 2 hours or more, the convenience fee is free.