San Francisco Bay Area
Real-time Muni, BART & Caltrain arrivals on your iPhone
Arelo shows live countdowns for every Bay Area transit agency — no account, no sign-up, nothing sent to a server.
Supported SF Bay Area transit agencies
- ✓Muni — San Francisco Municipal Railway — buses, Metro light rail, cable cars, and streetcars.
- ✓BART — Bay Area Rapid Transit — rapid rail connecting SF to the East Bay, South Bay, and SFO.
- ✓Caltrain — Commuter rail from San Francisco to San Jose and Gilroy. Departure times shown.
- ✓AC Transit — Alameda-Contra Costa Transit District — bus service across the East Bay.
- ✓SF Bay Ferry — Ferry service between San Francisco, Oakland, Alameda, Richmond, and Vallejo. Departure times shown.
More Bay Area agencies coming. See the full list on the Transit Services page.
Built for Bay Area commuters
Real-time arrivals for every SF Bay Area agency
Live countdowns pulled directly from each agency's real-time feed. Muni, BART, AC Transit, and SF Bay Ferry show arrival times. Caltrain and ferries show scheduled departure times. Green badge means ≤5 minutes away.
Walking time to every stop
See how long it takes to walk to any stop from where you are — adjusted for your mobility profile. Never sprint for a bus that's already gone.
Live Activity on your iPhone Lock Screen
Tap any arrival to pin it to your Lock Screen and Dynamic Island. Watch the countdown without unlocking your phone.
Home screen and lock screen widgets
Small, medium, home screen, and lock screen widgets show your next arrival at a glance — no app launch required.
Nearby stops, automatically
Open Arelo and instantly see the closest Muni stops, BART stations, and ferry terminals around you. Tap any stop for live arrivals.
No account. No sign-up. No cloud.
Your favorites and settings stay on your iPhone only. Arelo never uploads your data to any server.
Living in or traveling to New York City?
Arelo covers MTA Bus, NYC Subway, Metro-North, and LIRR too.