# KVB vs A

The clearest difference is rating: A at 3.0 against KVB's 2.3. KVB's advantage is update cadence (every 2 months vs every 4 months) and iOS requirement (15.5 vs 26.0). On price, review sentiment, ratings volume and ads there is nothing between them.

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

A holds the better App Store score, 3.0 against 2.3. Both are backed by a comparable volume of ratings — 4 and 3 respectively. Written reviews split almost evenly too, at 21% and 21% positive.

KVB ships an update every 2 months, A every 4 months. The most recent releases landed on September 26, 2026 and September 19, 2026 respectively.

## The numbers

| Metric | KVB | A |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [2.3 (4 ratings)](https://appshunter.io/ios/app/kvb-app/id1441639226/reviews) | **[3.0 (3 ratings)](https://appshunter.io/ios/app/a-rosa-cruises/id1607972742/reviews)** |
| Number of ratings | **4** | 3 |
| Positive reviews | 20.6% of reviews | **21.4% of reviews** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Every 2 months** | Every 4 months |
| Monetization | Free | Free |
| Size | 58 MB | 10 MB |
| Requires iOS | **15.5** | 26.0 |
| Devices | **iPhone, iPod** | iPhone |
| Age rating | 4+ | 17+ |
| Developer | [Kölner Verkehrs-Betriebe AG](https://appshunter.io/developer/885841815) | [A-ROSA Flussschiff GmbH](https://appshunter.io/developer/1607972744) |

## What reviewers say

### KVB

[App page](https://appshunter.io/ios/app/kvb-app/id1441639226)

Plan trips, view live departure times, and purchase tickets for public transport and shared mobility services in Cologne. Find and book bicycles, cars, and taxis.

**Highlights:** Trip planner with live data, Departure monitor for stations, Ticket purchasing, KVB-Rad bicycle booking, Car-Sharing and Taxi-Ruf integration, Disruption information

**Features:** Vision Pro support

**In-app purchases:** none


### A

[App page](https://appshunter.io/ios/app/a-rosa-cruises/id1607972742)

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.

**Highlights:** 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

**In-app purchases:** none


## Frequently asked questions

### Is KVB free?

KVB is free to download, with no in-app purchases.

### Is A free?

A is free to download, with no in-app purchases.

### Which has better reviews, KVB or A?

A is rated higher. KVB averages 2.3 out of 5 from 4 ratings, while A averages 3.0 from 3 ratings.

### Do KVB or A have ads?

Neither KVB nor A shows ads.

### Which is updated more often, KVB or A?

KVB ships an update every 2 months, and A every 4 months. Most recently, KVB was updated on September 26, 2026 and A on September 19, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*