We did this tour, along with the old town tour as part on the Must See Package. This tour lasts for about 90 minutes, with a couple of short breaks, one at the war memorial and one at the castle. These don't give you enough time to explore these locations, but give you a taster of them.
The tour is available in many different languages, through earphones. Very clear and concise.
You get to see so much of Bratislava on this tour. The old town isn't included, so there was no repeat of the earlier tour.
Excellent value for money at €30 for both.
Great for any age group. Ideal for those with mobility problems, who would love to see the whole area, but are unable to walk so far.
I would definitely recommend going on a morning tour, especially if the weather is going to be hot later in the day. These are old timer vehicles, with windows that you can open for fresh air.