OASA vs Santorini Bus
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
OASA
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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Information about routes and stops for urban transport (buses) in Athens, from the Athens Urban Transport Organization (OASA). NEW VERSION (1.2.5) with the following features and capabilities: * 2 language support (Greek & English). * Redesign of the entire UI for the best user experience. * View nearby stops on a map and list, depending on the user's geographic location (gps signal). As the user's location shifts, it automatically re-searches for nearby stops. * Directions to get to a stop by selecting a map application (Google/Apple Maps & Waze) to start navigation. * Access to the News with the possibility of searching and automatically informing the user with a notification (push notification) in case there is an important event / article (automated categorization / priority based on keywords). * List of main lines with the ability to view the route the bus crosses on a map. * Timetable / Daily schedule for each line * Real time update with buses running the selected route / selected line on the map (automatic update). * View stop arrival information in real time. * View vehicle arrival times for each stop. * View a list of route stops with colors for the start / end stop * Best route * Save favorite lines and stops, sync to iCloud * See your favorite stop arrivals from your apple watch Please note that the app requires internet access (via wifi or mobile data) to work and works best with location service enabled. For bug / error reporting, please don't forget to mention your unique Installation ID, that you can find in Settings by pressing the button "Copy Technical Details"
Santorini Bus
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Plan your Santorini bus trips before you leave home, then keep the timetables with you on the island. Schedules and trip planning work without an upgrade. Optional Premium adds interactive maps with route lines and stops. Explore Santorini by bus • Look up scheduled departures for Fira, Oia, Santorini Airport, Kamari, Perissa and other destinations. • Choose your starting point and destination by name. Planning does not require GPS or being on the island. • Check bundled timetables and plan trips offline after installation, even when mobile coverage is poor. • Search for stops, villages and places to visit before setting off. • Use the app in English, Portuguese, German, French or Greek. Premium maps See route lines and stops on interactive maps with an optional in-app upgrade. Timetables and named trip planning remain available without it. About the schedules The app uses KTEL's published timetables. Operating days are unconfirmed, and intermediate stop times are estimates. Check KTEL's latest timetable before travelling. Santorini Bus is an independent planning app. It does not sell tickets or provide live bus tracking.
Screenshots
Verdict
The clearest difference is in-app purchases: OASA at none against Santorini Bus's 3. OASA also leads on device support (3 vs 1). On price, update cadence, ads and iOS requirement there is nothing between them.
Scored on Price · Rating · Positive reviews · Number of ratings · Update frequency · Ads · In-app purchases · Monetization · Best chart rank · Devices · Requires iOS
Both are free to download. Santorini Bus sells 3 one-off in-app purchases. OASA asks for nothing beyond the download.
Both ship on a similar rhythm, roughly every 2 weeks. The most recent releases landed on October 23, 2026 and October 25, 2026 respectively.
| Parameter | OASA | Santorini Bus |
|---|---|---|
| Price | Free | Free |
| Rating | 2.5 (4 ratings) — better | — |
| Positive reviews | 13.8% of reviews | — |
| Number of ratings | 4 — better | — |
| Update frequency | Every 2 weeks | Every 2 weeks |
| Ads | No | No |
| In-app purchases | No — better | Yes |
| Monetization | Free | — |
| Devices | iPhone, iPad, Apple Watch — better | iPhone |
| Requires iOS | 17.5 | 16.4 — better |
| Further details — not scored | ||
| Size | 35 MB | 83 MB |
| Age rating | 4+ | 4+ |
| Developer | Advanced Transport Telematics S.A. | Olav Løite |
In-app purchases
OASA
No in-app purchases
Santorini Bus
- Trip Pass 7 Days$1.99
- Trip Pass 30 Days$3.99
- Lifetime Pass$8.99









