Comoda Casa HotelvsRosy Guest House
Both properties are endorsed by professional reviewers writing for major publications. On balance, Karavansara Retreat & Residences ranks marginally better than Rosy Guest House. Karavansara Retreat & Residences comes in at #37 in Siem Reap with positive reviews from 3 reviewers such as Lonely Planet, Rough Guide and Oyster.
Comoda Casa Hotel
 Rough Guide
 Oyster
Street 25, Archa Sva Road, Wat Bo Village, Salakamroeuk Commune, Siem Reap, Cambodia
From $30/night
- Bar/Lounge
 - Free Internet
 - Room Service
 - Free Breakfast
 - Shuttle Bus
 - Laundry Service
 
 "Attractively renovated French colonial villa with a range of well-equipped rooms: choose between the slightly austere Garden Courtyard Rooms and the fancier Colonial Heritage Suites." 
Mid-Range
 "Karavansara Retreat & Residences is a mid-range boutique hotel with 12 rooms and 12 long-term apartment rentals." Full review
Rosy Guest House
 DK Eyewitness
 Lonely Planet
74 Phlum Slor Kram, (East River Road), Siem Reap, Cambodia
From $0/night
- Bar/Lounge
 - Free Internet
 - Laundry Service
 - Restaurant
 - Family Friendly
 - Free Parking
 
 "This attractive old villa is run by a Western couple and offers great value, with Wi-Fi, TVs, and DVD players in all rooms (air conditioning is optional)." 
 "A Brit-run establishment whose 13 rooms come with TV and DVD." Full review