iCardiac: 심박수 모니터

Ostrovok is an online hotel booking service that has been helping millions of travellers plan their ideal trips since 2011. Search the Ostrovok app and book any of the 2,600,000+ accommodations in 220 countries around the world, from hotels, flats, hostels, guest houses and resorts to glamping and camping.
Affordable prices
We partner with major Russian and international suppliers, as well as directly with tens of thousands of individual hotels, so we always have great deals on most destinations.
Convenient filters and maps
Use 15+ filters to choose your perfect accommodation by type (hotel, flat, guest house), location, price, payment option (online or in person), dining options, amenities (kitchen, pool, etc.), and more.
Or use the map to pick a specific area, plot routes from the hotel to different locations, or view where all available accommodation options are located.

Hotel ratings
The app shows ratings of properties based on reviews from Ostrovok and TripAdvisor users. We do everything to make sure you have the most detailed information to help you always book the right option.
Easy payment options
Ostrovok lets you choose how to pay: at check-in or online (by bank card). Russian bank cards can also be used to book international accommodations.
Online vouchers
Hotel vouchers in Russian and English are available in the app even offline.
Dedicated support 24/7
Our customer support team works 24/7 to take the worry out of traveling. Calls in the app are free even if you're roaming. The app also has a support chat for assistance at any stage of booking or stay at hotels.

GURU loyalty programme
All registered Ostrovok users can take advantage of the GURU loyalty programme. Members save up to 40% and get free perks (early check-in, room upgrade, spa services, etc.) based on their GURU tier.
You can check your GURU level in your Ostrovok profile. If you're a new user, register in the mobile app and get an instant 10% off Russian and international hotels.
When searching for a hotel, eligible accommodations will be marked with the GURU icon.

Ostrovok partners
To stimulate domestic and international tourism, we collaborate with major travel organisations. As of 2024, Ostrovok is partnered with 34 regional ministries of tourism in Russia.
Award-winning service
Ostrovok earned the title of Best Online Hotel Booking Tool as part of the Best Travel IT Solutions 2024 awards. In 2023, we also won the Runet Prize 2023 in the Tourism and Hospitality Industry, and were named one of the 50 Legendary Brands in 2024. Ostrovok has also been recognised three times as Russia's Leading Online Travel Agency as part of the World Travel Awards.
Ostrovok helps you find where to stay around the world quickly and conveniently. Book hotels on Ostrovok and make your dream vacation come true. Happy travels!