A vs RET
Price, ratings, monetisation and update history for both apps, side by side — with what reviewers say about each.
A
Plan your river cruise journey and enhance your onboard experience. Access ship information, daily programs, menus, and order drinks directly from your mobile device. Enjoy GPS-triggered audio commentaries on your sailing route and guided walking tours in port.
- Pre-cruise journey planning
- Onboard ship and cruise information
- In-app drink ordering
- Personalized onboard calendar
- GPS-triggered sailing route commentaries
- Audio walking tours in ports
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SMART ON THE CRUISE: COMFORTABLE PLANNING AND RELAXED ENJOYMENT - WITH THE NEW A-ROSA APP. Even more service - anytime and anywhere: that's what the new A-ROSA app does. Never before have our guests literally been able to plan their entire journey themselves. Easy to use, convenient and always up to date. Functional overview + A-ROSA MY CRUISE Fill in your ship manifest before your cruise starts and get all important information pre-cruise. + SHIP- & CRUISE INFORMATION All on board information in one place – get all relevant information including day programs, routing information or lunch and dinner menus on the spot on your mobile phone or tablet. + DRINKS ORDER FUNCTIONALITY Wherever you are on board – you will be able to order a drink using the A-ROSA APP and our service team will bring it straight to your table. + CALENDER All information in one place in your personal calendar within the A-ROSA APP. Plan your time on board or just get information on what´s going on + SAILING ROUTE INFORMATION Listen to GPS triggered commentaries on your sailing route – relax and enjoy the surroundings while listening to professional explanations on sights along the way. + AUDIO WALKING TOURS Together with our partner Quietvox the APP is linked with the QVtoGO app – get the city map available on board and start a walking tour in many harbors along our routings. + HOLIDAY COUNT DOWN Check the count in the app down before your cruise About A-ROSA A-ROSA is one of Germany's leading providers of premium city trips along Europe's most beautiful rivers - the Danube, Douro, Rhine/Main/Moselle, Rhône/Saône and Seine. The fleet currently comprises thirteen ships, which combine the comforts of a hotel with the advantages of a cruise, offering a comprehensive range of services and modern facilities. On board, guests in the Premium all-inclusive rate are pampered with varied buffets, high-quality drinks and in the SPA-ROSA with sauna, massage room and fitness room. One highlight is letting the unique landscape views pass by, on the sun deck or on the cabin balcony. Thanks to the locations in the heart of the cities, the distances to the centres of Europe's metropolises, historical landmarks or famous cultural and natural highlights are short and unforgettable experiences are guaranteed. Spacious cabins, a Kids Club, heated outdoor pools and free travel in many cabins for children up to and including the age of 15 ensure a wonderful holiday with the whole family. Simply drift along and enjoy your dream holiday, which has just become a reality.
RET
Plan your journeys across the Netherlands with real-time public transport information for Rotterdam. View departure times, track your travel history, and purchase tickets and subscriptions directly through the app.
- Real-time departure times
- Trip planner for all of Netherlands
- Barcode ticket purchases
- Travel history tracking
- Disruption notifications
- Shared mobility options
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In the RET app you can find up to date information about public transport services in Rotterdam, see your travel history and buy barcode tickets to travel with the RET. The RET app also shows the nearest stops with current departure times. Get a push notification when there is a disruption at one of your favorite lines or stops. With the planner you can travel with public transport from any location to every address in The Netherlands. The planner contains the latest departure times for bus, tram, metro and trains. Why use the RET app? - Connect your payment cards and view your full travel history with the RET; - Buy a barcode ticket to travel with RET busses, trams and metros; - Buy savings subscriptions and place them on your bank card; - Buy Park and Ride Combi Ticket; - View the latest departure times on your favorite lines, stops - Plan your trip in the travel planner; - View the available shared mobility options nearby; - Push notifications of disruptions; - Overview of all the disruptions for bus, tram & metro and lifts en escalators; - Latest weather forecast - Contact customer service
Screenshots
Verdict
The clearest difference is rating: RET at 4.7 against A's 3.0. RET also leads on review sentiment (50% vs 21%) and ratings volume (163 vs 3). On price, ads, in-app purchases and monetization model 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. Neither carries in-app purchases, so what you see is what you pay.
RET holds the better App Store score, 4.7 against 3.0. That said, the two scores are not equally well evidenced: RET has 163 ratings behind it against 3, so its average is the more settled of the two. Written reviews point the same way: 21% of A's written reviews are positive against 50% of RET's.
A ships an update every 4 months, RET every 5 weeks. The most recent releases landed on October 15, 2026 and October 13, 2026 respectively.
| Parameter | A | RET |
|---|---|---|
| Price | Free | Free |
| Rating | 3.0 (3 ratings) | 4.7 (163 ratings) — better |
| Positive reviews | 21.4% of reviews | 50.0% of reviews — better |
| Number of ratings | 3 | 163 — better |
| Update frequency | Every 4 months | Every 5 weeks — better |
| Ads | No | No |
| In-app purchases | No | No |
| Monetization | Free | Free |
| Devices | iPhone | iPhone |
| Requires iOS | 26.0 | 17.6 — better |
| Further details — not scored | ||
| Size | 10 MB | 110 MB |
| Age rating | 17+ | 4+ |
| Developer | A-ROSA Flussschiff GmbH | RET |
Customer experience
A
RET
In-app purchases
A
No in-app purchases
RET
No in-app purchases








