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OASA

OASA

by Advanced Transport Telematics S.A.

4 ratings
29 reviews
🔧 Utilities
✈️ Travel
Free

Details

Released
May 16, 2016
Updated
July 22, 2026

Features

Developer

Advanced Transport Telematics S.A.
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About

Get real-time bus information for Athens, including routes, schedules, and nearby stops. Navigate to stops using your preferred map app and receive important news updates via push notifications.

✓Real-time bus tracking
✓Nearby stop finder
✓Route and schedule viewing
✓Push notifications for news
✓Two-language support
✓Favorite lines and stops
✓Apple Watch integration
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What's New in OASA

1.2.13

July 22, 2026

UI bugfixes

User reviews

Most RecentHighest RatedLowest Rated

Useless

Crashes regularly on iOS; completely unintuitive; incomplete information.
Uukahhoi

What happened?

I’ve been using this app for a couple of years and it’s been great! But as of mid January it no longer shows real time bus movements.
PCPeter in Chicago

Will not open

I do not recommend, I downloaded while in Greece and it will not open. iPhone 13
MMS.MAK

Useless in Athens

This app in Athens is just useless. It does not recognize any address even the most popular ones like the airport and the largest Ktel in Kifissiou. The search always ends up in looking in alternative apps to find your way in Athens
MMariabba

HOPELESS

This app unfortunately tries to work but isn’t looked after by its makers to fix bugs etc. don’t produce something that half heartedly doesn’t deserve to be done
KKWLAS
See 24 more reviews

FAQ

What does the OASA app do?

The OASA app provides comprehensive information for urban bus transport in Athens, Greece. It allows users to view routes, schedules, real-time bus locations, and nearby stops. It also offers features like news updates with push notifications and navigation assistance to stops.

What are the key features of the OASA app?

Key features include real-time bus tracking on a map, viewing nearby stops based on GPS location, access to line routes and timetables, and receiving important news and event notifications. Users can also save favorite lines and stops, and sync them to iCloud. Apple Watch integration is also available for viewing favorite stop arrivals.

Is the OASA app free to use?

Yes, the OASA app is free to download and use. It does not have in-app purchases or advertisements, providing a completely free experience for users.

What are the system requirements for the OASA app?

The app requires internet access, either via Wi-Fi or mobile data, to function correctly. It also works best when location services are enabled on the user's device to accurately display nearby stops and real-time bus information.

How can I report a bug or error in the OASA app?

To report a bug or error, users should go to the Settings section within the app and press the 'Copy Technical Details' button. This will copy your unique Installation ID, which should be included when reporting the issue to help developers diagnose and fix the problem.