We had a great time on our visit. We spent two weeks in Prague. The location of this apartment is about as central as you can get in the heart of Old Town. Now, you'd think being in the middle of that chaos might mean dealing with noise but somehow this apartment stays super quiet. Once you took the elevator up to your apartment it seemed like you were worlds away. However, all the best of Prague was at your doorstep. We walked everywhere. Maybe took the tram a couple of times. Uber is easy.
Our hosts offered many excellent recommendations of places to eat and we kept busy working our way through the city.
All the rooms offer plenty of space and there's a large living area so you will have room to spread out.
If you book this apartment I'm sure you'll be quite pleased. Just a comment to be aware of. The internet is slow. The hosts were great trying to get that boosted but ultimately it was running at 3mbps. The upload was a fraction of that. For virtually most day to day uses probably a non-issue. Just be aware if you have a lot of data users. Get a SIMM for your phone - suggest Vodafone which offered 10GB and 20GB at great speed for visitors. Get it at the Palladium or airport.