OASA

Name: OASA
Rating: 2.7 (3 reviews)
Author: Advanced Transport Telematics S.A.

by Advanced Transport Telematics S.A.

iPhone · iPad

Active Last checked 28 Jul 2026

App Store ↗

Quick verdict

What it is: Store information collected; independent summary not yet available.
At a glance: Free to download

Categories and search queries

Official categories

Travel
Utilities

AppCorpus categories

Key functions

Function	Availability	Access	Scope	Evidence
Free app	Yes	Free	—	Store published

Screens

No screenshots collected yet.

Pricing & paywalls

App Store

Free

Last verified 28 Jul 2026

Ratings & reviews

App Store

2.7 3 ratings · App Store

1/5Completely useless on iPhones
When I first downloaded the app four years ago, it worked on my iPhone SE. Not perfect, but usable. After the most recent update it goes on an infinite loop waiting for information. I had to remove it, as it is completely useless.

Nphard · 28 Jul 2026
1/5Problematic and disorganized
Desperately needs an update. The app usually bugs out and stops working. Also the User Experience and the flow of understanding the bus routes is unclear. Has potential to be a helpful app but needs work.

Popie24 · 28 Jul 2026
1/5Lots of data, little use
For an app that has so much raw information on it, it’s incredibly unhelpful. It doesn’t know many addresses, so it can’t help you choose a route, and it dumps so much information at you that you’ll never find what you need

Hyde888 · 28 Jul 2026
1/5Useless 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

Mariabba · 28 Jul 2026
1/5What 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.

Peter in Chicago · 28 Jul 2026

Privacy & accessibility

App Store

Privacy

Data Not Linked to You — Analytics — Diagnostics — Crash Data Developer declared
Data Not Linked to You — Analytics — Diagnostics — Other Diagnostic Data Developer declared
Data Not Linked to You — Analytics — Diagnostics — Performance Data Developer declared
Data Not Linked to You — Analytics — Identifiers — Device ID Developer declared
Data Not Linked to You — Analytics — Identifiers — User ID Developer declared
Data Not Linked to You — Analytics — Location — Coarse Location Developer declared
Data Not Linked to You — Analytics — Location — Precise Location Developer declared
Data Not Linked to You — Analytics — Usage Data — Other Usage Data Developer declared
Data Not Linked to You — Analytics — Usage Data — Product Interaction Developer declared
Data Not Linked to You — App Functionality — Identifiers — Device ID Developer declared
Data Not Linked to You — App Functionality — Identifiers — User ID Developer declared
Data Not Linked to You — App Functionality — Location — Coarse Location Developer declared
Data Not Linked to You — App Functionality — Location — Precise Location Developer declared
Data Not Linked to You — App Functionality — Usage Data — Other Usage Data Developer declared
Data Not Linked to You — App Functionality — Usage Data — Product Interaction Developer declared
Data Not Linked to You — Diagnostics Developer declared
Data Not Linked to You — Identifiers Developer declared
Data Not Linked to You — Location Developer declared
Data Not Linked to You — Usage Data Developer declared

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Accessibility

No accessibility labels collected yet.

Versions

App Store

1.0.11
Fixing bug at departures.
1.0.13
Fixed bug at summer routes.
1.0.14
Bug fixes.
1.0.15
Filter timetables by selecting lines. Performance improvements.
1.0.16
Bug fixes at timetables. iPhone X UI fixes.
1.0.17
Daily Schedule Feature (Displays current day's schedule which may be different from the general one)
1.0.18
Notification on home screen
1.0.19
Fix typographic errors
1.1.2
iOS 16 compatible
1.1.3
Information about routes and stops for urban transport (buses) in Athens, from the Athens Urban Transport Organization (OASA). NEW VERSION (1.1.3) 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 * Save favorite lines and stops (automatically sync across all your devices via iCloud). * Support Live Activities / Standby Mode & Dynamic Island (a specific arrival is selected from the stop of your choice so that the "eye" icon appears and you are informed in real time of the bus arrival time at a glance, but also with notifications (push notifications)). Please note that the app requires internet access (via wifi or mobile data) to work and works best with location service enabled.
1.1.4
Fixing bugs
1.1.5
Fixing Bugs
1.1.6
New Version 1.1.6 – Smarter commuting, now more than ever! The official app for Athens public transport (OASA) has become even better with the new version 1.1.6, offering stronger search tools, smart features, and an improved user experience. What's New: * Global Search: Quickly search for lines or stops from a single search bar. * Smart Route: The optimal route for your destination is suggested based on your location or the selected stop. * Favorites on Apple Watch: Instantly view the arrival times of your favorite lines right on your wrist. * Voice Reading of Arrivals: Hear the next arrivals without looking at your screen. * 3D Stop Navigation: Visualize the area around a stop with a 3D representation. Improvements: * Increased stability for an even smoother user experience. * Significant improvements in speed and responsiveness of the app. * Easy bug reporting via Installation ID
1.1.7
- Fix for Favorite Stops/Lines Issue: Starting from version 1.1.7, your favorite stops and lines will no longer be lost after each update. This fix will apply to future app updates. Please note your favorite lines and stops in the current version before updating, in case they get lost and need to be manually re-entered. - Viewing Line Details: You can now view the details of a line by tapping on an arrival or crossing line in the line arrivals section at the stop.
1.1.8
Version 1.1.8 - Fixed an issue where the audio from other apps (such as music or podcasts) would stop whenever a user entered any bus stop arrival screen. Now, the audio will only pause when the user activates the spoken arrival announcement and the app begins speaking. - Users can now reorder their favorite bus stops and lines according to their preferences. Additionally, when a new favorite stop or line is added, the list will automatically adjust based on the updated order. 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"
1.1.9
Version 1.1.9 - Fixing bugs - Optimization fixes
1.2.0
In version 1.2.0, significant improvements have been made to the synchronization and data storage system, while introducing for the first time the automatic synchronization of favorite stops and lines via iCloud. This ensures that your preferences are preserved even after updating or reinstalling the application. Additionally, app loading times have been optimized, various bugs have been fixed, and overall stability has been enhanced. This update requires iOS 17.5 or later. Due to fundamental changes in the new synchronization system, previously saved favorite stops or lines may be lost, as full compatibility with the old system is not possible. For proper functionality, your device must be linked to an Apple ID, have iCloud synchronization enabled, and have sufficient available iCloud storage space. Synchronization speed may be affected by external factors such as poor internet connectivity or temporary unavailability of central servers. If iCloud is not active or cannot be connected due to technical reasons, the application will not be able to synchronize your favorite selections and will only store them locally on the device, with the risk of data loss in case of reinstallation. Should you encounter any issues, please include your Installation ID, which can be copied from the application settings via the “Copy technical information” option.
1.2.1
Bug fixes & optimization of the app. 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".
1.2.10 · 14 Jul 2026
Various improvements & bugfixes.
1.2.13 · 22 Jul 2026
UI bugfixes
1.2.2
Bug fixes & optimization of the app. 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".
1.2.3
Version 1.2.3 Bug fixes & optimization of the app. 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".
1.2.4
Version 1.2.4 Bug fixes & app optimization. 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".
1.2.5
Version 1.2.5 Bug fixes & app optimization 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".
1.2.7
Necessary backend change to work with our system changes
1.2.8
Changes in the backend of the app

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Alternatives

Ferryscanner: Book Your Ferry — Same category + similar ratings
Ferryhopper — Same category + similar ratings

Availability by market

Data quality & evidence

Page completeness: Live store listing
Last verified: 28 Jul 2026
Sources: App Store

Independent summary has not been published yet.
Screenshots: not yet collected

Report a correction

Use this page with an AI agent

AppCorpus MCP gives your agent current app data, prices, screens, features and sources.

Example prompt

Compare OASA with Ferryscanner: Book Your Ferry.

View JSON

GET /api/v3/apps/1104863353

{
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          "rating": 1,
          "title": "Completely useless on iPhones",
          "body": "When I first downloaded the app four years ago, it worked on my iPhone SE. Not perfect, but usable. After the most recent update it goes on an infinite loop waiting for information. I had to remove it, as it is completely useless.",
          "author": "Nphard",
          "date": "28 Jul 2026"
        },
        {
          "rating": 1,
          "title": "Problematic and disorganized",
          "body": "Desperately needs an update. The app usually bugs out and stops working. Also the User Experience and the flow of understanding the bus routes is unclear. Has potential to be a helpful app but needs work.",
          "author": "Popie24",
          "date": "28 Jul 2026"
        },
        {
          "rating": 1,
          "title": "Lots of data, little use",
          "body": "For an app that has so much raw information on it, it’s incredibly unhelpful. It doesn’t know many addresses, so it can’t help you choose a route, and it dumps so much information at you that you’ll never find what you need",
          "author": "Hyde888",
          "date": "28 Jul 2026"
        },
        {
          "rating": 1,
          "title": "Useless in Athens",
          "body": "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",
          "author": "Mariabba",
          "date": "28 Jul 2026"
        },
        {
          "rating": 1,
          "title": "What happened?",
          "body": "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.",
          "author": "Peter in Chicago",
          "date": "28 Jul 2026"
        }
      ]
    }
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          "title": "Data Not Linked to You",
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          "source": "Developer declared"
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          "title": "Data Not Linked to You",
          "detail": "Analytics — Diagnostics — Other Diagnostic Data",
          "source": "Developer declared"
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          "source": "Developer declared"
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        {
          "title": "Data Not Linked to You",
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          "source": "Developer declared"
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          "title": "Data Not Linked to You",
          "detail": "Diagnostics",
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          "detail": "Identifiers",
          "source": "Developer declared"
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          "title": "Data Not Linked to You",
          "detail": "Location",
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          "source": "Developer declared"
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  "changes": [
    {
      "store": "apple",
      "version": "1.0.11",
      "released_at": null,
      "notes": "Fixing bug at departures."
    },
    {
      "store": "apple",
      "version": "1.0.13",
      "released_at": null,
      "notes": "Fixed bug at summer routes."
    },
    {
      "store": "apple",
      "version": "1.0.14",
      "released_at": null,
      "notes": "Bug fixes."
    },
    {
      "store": "apple",
      "version": "1.0.15",
      "released_at": null,
      "notes": "Filter timetables by selecting lines. Performance improvements."
    },
    {
      "store": "apple",
      "version": "1.0.16",
      "released_at": null,
      "notes": "Bug fixes at timetables. iPhone X UI fixes."
    },
    {
      "store": "apple",
      "version": "1.0.17",
      "released_at": null,
      "notes": "Daily Schedule Feature (Displays current day's schedule which may be different from the general one)"
    },
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      "store": "apple",
      "version": "1.0.18",
      "released_at": null,
      "notes": "Notification on home screen"
    },
    {
      "store": "apple",
      "version": "1.0.19",
      "released_at": null,
      "notes": "Fix typographic errors"
    },
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      "version": "1.1.2",
      "released_at": null,
      "notes": "iOS 16 compatible"
    },
    {
      "store": "apple",
      "version": "1.1.3",
      "released_at": null,
      "notes": "Information about routes and stops for urban transport (buses) in Athens, from the Athens Urban Transport Organization (OASA). NEW VERSION (1.1.3) 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 * Save favorite lines and stops (automatically sync across all your devices via iCloud). * Support Live Activities / Standby Mode & Dynamic Island (a specific arrival is selected from the stop of your choice so that the \"eye\" icon appears and you are informed in real time of the bus arrival time at a glance, but also with notifications (push notifications)). Please note that the app requires internet access (via wifi or mobile data) to work and works best with location service enabled."
    },
    {
      "store": "apple",
      "version": "1.1.4",
      "released_at": null,
      "notes": "Fixing bugs"
    },
    {
      "store": "apple",
      "version": "1.1.5",
      "released_at": null,
      "notes": "Fixing Bugs"
    },
    {
      "store": "apple",
      "version": "1.1.6",
      "released_at": null,
      "notes": "New Version 1.1.6 – Smarter commuting, now more than ever! The official app for Athens public transport (OASA) has become even better with the new version 1.1.6, offering stronger search tools, smart features, and an improved user experience. What's New: * Global Search: Quickly search for lines or stops from a single search bar. * Smart Route: The optimal route for your destination is suggested based on your location or the selected stop. * Favorites on Apple Watch: Instantly view the arrival times of your favorite lines right on your wrist. * Voice Reading of Arrivals: Hear the next arrivals without looking at your screen. * 3D Stop Navigation: Visualize the area around a stop with a 3D representation. Improvements: * Increased stability for an even smoother user experience. * Significant improvements in speed and responsiveness of the app. * Easy bug reporting via Installation ID"
    },
    {
      "store": "apple",
      "version": "1.1.7",
      "released_at": null,
      "notes": "- Fix for Favorite Stops/Lines Issue: Starting from version 1.1.7, your favorite stops and lines will no longer be lost after each update. This fix will apply to future app updates. Please note your favorite lines and stops in the current version before updating, in case they get lost and need to be manually re-entered. - Viewing Line Details: You can now view the details of a line by tapping on an arrival or crossing line in the line arrivals section at the stop."
    },
    {
      "store": "apple",
      "version": "1.1.8",
      "released_at": null,
      "notes": "Version 1.1.8 - Fixed an issue where the audio from other apps (such as music or podcasts) would stop whenever a user entered any bus stop arrival screen. Now, the audio will only pause when the user activates the spoken arrival announcement and the app begins speaking. - Users can now reorder their favorite bus stops and lines according to their preferences. Additionally, when a new favorite stop or line is added, the list will automatically adjust based on the updated order. 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\""
    },
    {
      "store": "apple",
      "version": "1.1.9",
      "released_at": null,
      "notes": "Version 1.1.9 - Fixing bugs - Optimization fixes"
    },
    {
      "store": "apple",
      "version": "1.2.0",
      "released_at": null,
      "notes": "In version 1.2.0, significant improvements have been made to the synchronization and data storage system, while introducing for the first time the automatic synchronization of favorite stops and lines via iCloud. This ensures that your preferences are preserved even after updating or reinstalling the application. Additionally, app loading times have been optimized, various bugs have been fixed, and overall stability has been enhanced. This update requires iOS 17.5 or later. Due to fundamental changes in the new synchronization system, previously saved favorite stops or lines may be lost, as full compatibility with the old system is not possible. For proper functionality, your device must be linked to an Apple ID, have iCloud synchronization enabled, and have sufficient available iCloud storage space. Synchronization speed may be affected by external factors such as poor internet connectivity or temporary unavailability of central servers. If iCloud is not active or cannot be connected due to technical reasons, the application will not be able to synchronize your favorite selections and will only store them locally on the device, with the risk of data loss in case of reinstallation. Should you encounter any issues, please include your Installation ID, which can be copied from the application settings via the “Copy technical information” option."
    },
    {
      "store": "apple",
      "version": "1.2.1",
      "released_at": null,
      "notes": "Bug fixes & optimization of the app. 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\"."
    },
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      "store": "apple",
      "version": "1.2.10",
      "released_at": "2026-07-14",
      "notes": "Various improvements & bugfixes."
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      "version": "1.2.13",
      "released_at": "2026-07-22",
      "notes": "UI bugfixes"
    }
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  "alternatives": [
    {
      "app_id": 6736605125,
      "name": "Ferryscanner: Book Your Ferry",
      "url": "https://appcorpus.com/apps/ferryscanner-book-your-ferry-6736605125",
      "reason": "Same category + similar ratings"
    },
    {
      "app_id": 1523054442,
      "name": "Ferryhopper",
      "url": "https://appcorpus.com/apps/ferryhopper-1523054442",
      "reason": "Same category + similar ratings"
    }
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    "data_cutoff": "28 Jul 2026"
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}