Comparison

OASA vs seamore

Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.

Head to head
About

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.

Highlights
  • 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
Features
Read full description

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"

About

seamore

This travel app simplifies ferry bookings for multiple Greek ferry brands. It allows users to store personal and travel details for faster reservations, access tickets on their mobile device, and receive real-time journey updates. Users can also manage loyalty program points and utilize web check-in for a smoother travel experience.

Highlights
  • Fast ferry ticket booking
  • Save traveler and vehicle details
  • Mobile ticket access
  • Real-time trip updates
  • Loyalty program integration
  • Web check-in
Features
Read full description

seamore is your essential Travel Companion. Being always by your side it will helpyou exploring, discovering and as well as enjoying every moment of your travels! Decide where to travel to, make your reservations quickly and easily with any of the Attica Group ferries brands - Superfast Ferries, Blue Star Ferries, Hellenic Seaways, Anek Lines. Have everything you need on board and after your trip in one mobile app. seamore: The essential Travel Companion Your journey starts here! Easy and lightning-fast ferry ticket booking You can quickly book ferry tickets with all the Attica Group ferries brands - Superfast Ferries, Blue Star Ferries, Hellenic Seaways, Anek Lines - with all your data automatically filled! In your personal profile you can save your travel details, those of co-passengers, of your vehicle and of your pet. This way your bookings are completed faster than ever before. Receive the tickets on your mobile device and you are ready for your trip! And if you have a Seasmiles card, you can see how many seasmiles you have and for the first time, redeem them anytime you want, to get free or discounted tickets. Real-time updates You have all the details of your next trips at your fingertips, and you receive reminders and updates for every step of the journey. Enjoy the convenience of web check-in and make your trip even more stress-free! Detailed information on everything you need In the Frequently Asked Questions section you will find detailed instructions and answers to any question you might have. We've made sure there are instructions for every step, so you won't run into any difficulties. If you need us, we are always available and you can contact us by phone or email. Speed and convenience Log in quickly with biometrics (fingerprint or Face ID) or Fast PIN for quick and easy access. Get ready for your next adventure with the essential Travel Companion! Download seamore now and start your journey! If you’d like to contact us with questions or ideas on how we can improve, send us an email at cs@attica-group.com and we'll get back to you as soon as possible.

Screenshots

OASA4 screens
seamore4 screens

Verdict

The call

The clearest difference is rating: seamore at 4.9 against OASA's 2.7. seamore also leads on ratings volume (14 vs 3) and iOS requirement (15.1 vs 17.5). On price, review sentiment, update cadence and ads 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

CostPrice · In-app purchases · Ads · Monetization

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

ReceptionRating · Positive reviews · Number of ratings

seamore holds the better App Store score, 4.9 against 2.7. Both are backed by a comparable volume of ratings — 3 and 14 respectively. Written reviews complicate that: 14% of OASA's written reviews are positive against 12% of seamore's, so the app with the better star average is not the one people write more warmly about.

UpkeepUpdate frequency

OASA ships an update every 2 weeks, seamore every 3 weeks. The most recent releases landed on October 18, 2026 and October 21, 2026 respectively.

Scorecard3 real differences · 7 level
OASA versus seamore: the parameters behind the verdict, then further details
ParameterOASAseamore
PriceFreeFree
Rating2.7 (3 ratings)4.9 (14 ratings) — better
Positive reviews13.8% of reviews — better11.7% of reviews
Number of ratings314 — better
Update frequencyEvery 2 weeks — betterEvery 3 weeks
AdsNoNo
In-app purchasesNoNo
MonetizationFreeFree
DevicesiPhone, iPad, Apple Watch — betteriPhone, iPod
Requires iOS17.515.1 — better
Further details — not scored
Size35 MB78 MB
Age rating4+17+
DeveloperAdvanced Transport Telematics S.A.ATTICA S.A. HOLDINGS

Customer experience

OASA

All ratings3 ratings
Positive33.3%
Neutral0.0%
Negative66.7%
Written reviews29 reviews
Positive13.8%
Neutral0.0%
Negative86.2%

seamore

All ratings12 ratings
Positive100.0%
Neutral0.0%
Negative0.0%
Written reviews60 reviews
Positive11.7%
Neutral6.7%
Negative81.7%

In-app purchases

None

OASA

No in-app purchases

None

seamore

No in-app purchases

Questions

Is OASA free?
OASA is free to download, with no in-app purchases.
Is seamore free?
seamore is free to download, with no in-app purchases.
Which has better reviews, OASA or seamore?
seamore is rated higher. OASA averages 2.7 out of 5 from 3 ratings, while seamore averages 4.9 from 14 ratings.
Do OASA or seamore have ads?
Neither OASA nor seamore shows ads.
Which is updated more often, OASA or seamore?
OASA ships an update every 2 weeks, and seamore every 3 weeks. Most recently, OASA was updated on October 18, 2026 and seamore on October 21, 2026.

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