Circuit Route Planner is a free iPhone app developed by Circuit Routing Limited that helps couriers, delivery drivers, and retailers save time and fuel. With over 150 million deliveries optimized and over 1 million downloads, Circuit is the world's first choice of route planner. The app optimizes up to 500 stops to avoid traffic and backtracking, and users can choose their preferred GPS, including Apple Maps, Google Maps, HEREWeGo, and Waze.

Circuit Route Planner also allows users to mark priority delivery stops and set time windows for parcels to deliver on schedule. Users can choose the length of time they want to spend at each stop and get instant and accurate estimated arrival times. The app also notifies users at the stop where a package is in their vehicle, making it easy to quickly find it.