Stratus Transit

Never miss your bus or train. Live CTA departures with travel time, lock-screen Live Activity, departure alarms, real-time alerts. Ad-free, no account.

Never miss your bus or train. Stratus powers your CTA commute with live data and a privacy-first approach. Built by a Chicago commuter — bus-first, because most CTA rides aren't on the L.

LIVE DEPARTURES NEAR YOU • Trains and buses leaving from stations within a configurable walking distance. Sort by distance or earliest departure. • Your favorite routes are always surfaced at the top of the list. • Every row shows when upcoming departure times and how long the walk takes, so you don't have to do the math. • Color-coded times to flag departures that are tight vs. comfortable. • Pull to refresh, or let it auto-refresh every 15 seconds • Filter by line, transit mode, or direction; sort by distance or earliest departure

IN-TRIP RIDE COMPANION • Tap any departure to start a trip, and track its progress in list and map views. • Share your live ETA so others can track the progress of your trip. • Live Activities provide a countdown to departure on your lock screen and Apple Watch. • Configurable Departure Alarm to notify you exactly when it's time to leave. • Heads-up before your stop — a notification with a distinctive double-buzz the stop before yours

REAL-TIME SERVICE ALERTS • In-App banner signals when something affects a nearby route (delays, reroutes, elevator outages). • Tap through to full alert detail • Detour-aware routing in the In-Trip Ride Companion.

ACCESSIBILITY OPTIONS • Filter departures to exclude stations without elevator access from the street to the platform. • Integration with CTA service alerts provides real-time station accessibility status. • Full VoiceOver coverage on every button, row, and toolbar • Dynamic Type up to extra-extra-extra-large • Reduce Transparency and Increase Contrast supported • Haptics respect Silent Mode and Reduce Motion

HOW STRATUS IS BUILT • Ad-free and no account required. • Your location never leaves your phone. Only nearby CTA station identifiers are sent. • We don't track you. We only collect anonymous crash and usage telemetry. • Independently built by a Chicago commuter and not affiliated with the Chicago Transit Authority (CTA).

FREE includes live departures, one favorite route, real-time alerts, and accessibility features.

PREMIUM ($1.99/month or $14.99/year — 14-day free trial) unlocks widgets, Live Activities (lock screen and Apple Watch), Dynamic Island, departure alarms, up to 5 favorites, trip sharing, and offline rail schedules.

Stratus is independently developed by CloudPath, LLC. Not affiliated with the Chicago Transit Authority. Data provided by CTA.