K+k Palais HotelvsBoutique Hotel Das Tigra
Both properties are highly recommended by travel writers. Overall, K+K Palais Hotel is the choice of most writers compared to Hotel Das Tigra. K+K Palais Hotel comes in at #32 in Vienna with positive reviews from 5 reviewers including Star Service, Oyster and Frommer's.
K+k Palais Hotel
 Michelin Guide
 Frommer's
 Rough Guide
 Star Service
 Oyster
 Travel + Leisure
Rudolfsplatz 11, Vienna 1010, Austria
From $83/night
- Pet Friendly
 - Bar/Lounge
 - Free Internet
 - Room Service
 - Laundry Service
 - Concierge
 
 "A pleasant city hotel with a magnificent historical facade. It has an interior that is comfortably decorated in clean lines and warm colours." 
 i 
Try to book a room facing the Rudolfsplatz.
 "Vestiges of its imperial past remain, in spite of the contemporary but airy lobby and the lattice-covered bar." Full review
 "Built in 1890 and once the town house of Franz-Josef’s mistress Katharina Schratt, the K & K retains an appropriately imperial ambience in the lobby." 
 "This sly boutique-hotel offers better-than-average designer accommodations in a historic townhouse north of the center of the city." Full review
Mid-Range
 "This three-pearl hotel is set in a residential area overlooking Rudolfspark, north of Vienna's First District." Full review
 "Modern air-conditioned rooms include flat-screen TV's, coffee machines, minibars, and elegant furnishings. Family-friendly amenities include playground, laundry facilities, snack bar" 
Vienna Travel Guide
August 5, 2021
Boutique Hotel Das Tigra
 Frommer's
 Star Service
Tiefer Graben 14-20, Vienna A-1010, Austria
From $90/night
- Pet Friendly
 - Bar/Lounge
 - Free Internet
 - Room Service
 - Laundry Service
 - Concierge
 
 "In the heart of Vienna and within walking distance of many historic sights, this is a comfortable, well-run hotel that's not as well known as it should be." Full review
 "Nestled on a side street in the heart of Vienna, the Hotel das Tigra is near the State Opera, the Hofburg and all major Old Town attractions." Full review
 i 
Those with reduced mobility should request well-placed rooms; light sleepers who prefer open windows might avoid rooms facing the street.