Ante the high price of rent and the need to find affordable housing options, Share flat has become a key solution for thousands of people around the world. Whether you're a student, a young professional, a remote worker, or just looking to save money and enjoy a social environment, specialized applications and websites They greatly facilitate this process, allowing you to filter options, generate reliable contacts, and manage all aspects of daily life in a shared home.
In this article we show you The best apps and online platforms for sharing a flat and finding compatible roommatesYou'll not only discover tools to find available rooms or apartments in Spain and other countries, but also solutions for managing expenses and daily tasks between cohabitants. We also include essential recommendations to ensure a smooth and safe coexistence.

Body

Among the most valued options for sharing a flat, the following stand out: Body, considered by many to be the benchmark in this sector. It is a app and web portal that connects people looking for a room with those renting apartments or rooms, both in Spain and in many major cities in Europe. Check out the best apps for sharing a flat to expand your options and learn about other similar platforms.
- Easy and intuitive interface: Badi is known for its attractive and user-friendly design. You can create your profile with photos, a description, likes, and socializing preferences, which optimizes matches and reduces the likelihood of incompatibility.
- Advanced filters: Allows you to refine searches by Price, location, room type, services included (Wi-Fi, heating, private bathroom, etc.), and even by the type of environment you are looking for (quiet, professional, student...).
- integrated chat: Badi offers an instant messaging system within the platform so you can communicate securely and directly before a visit.
- Geolocation function: Find rooms based on proximity to your workplace, university, or points of interest.
- Badi Plus: With their premium service, you can highlight listings and receive tailored recommendations—useful if you're in a hurry to rent or find a roommate.
The platform has connected millions of people and is especially popular in cities like Madrid, Barcelona, and Valencia, but is also available in other European countries.
Advantages: The possibility of view profiles and ratings real-time traffic, rapid contact, and a large active user base. The app fosters more transparent relationships and reduces fraud.
Disadvantages: Some premium features require a subscription, such as highlighting your listing to maximize visibility.
Idealistic

Idealistic It is the largest real estate portal in Spain and one of the platforms with greater supply of apartments and rooms for rentAlthough it is better known for traditional buying and selling and renting, Idealista has a specific section for rooms in shared apartments. Explore the best room-sharing apps and find the one that best suits you.
- Large database: You'll find thousands of rooms and apartments updated daily, making it easy to compare prices and locations.
- Specific filters: You can search by price, area, number of roommates, gender, surface area, services and see the results both on a map and in a list.
- Custom alerts: Receive notifications when a room that meets your requirements appears.
- Direct contact: Advertisers can be contacted via chat, phone, or email.
Idealista stands out for its reliability of the ads, the quality of the photos, and the ability to view neighborhood information (services, communications, atmosphere, etc.). Some advanced features, such as saving favorites or creating alerts, require free registration on the platform.
Ideal for: Those who want to compare many options before deciding, whether in large cities or smaller towns.
Disadvantages: Since it's not focused exclusively on shared apartments, you may need to carefully filter between listings for entire apartments and individual rooms.
Room

Another of the most established platforms for searching for housing or rooms is RoomThis portal, especially powerful in Catalonia and the Mediterranean coast, also includes a section on shared flat that grows every season. in Habitaclia.
- More than 120.000 updated offers: Among them, many rooms and shared apartments with the option to filter results by detailed preferences (price, location, amenities, size, etc.)
- Simple and clean interface: Navigation is clear, information is constantly updated, and it's easy to compare alternatives.
- Photos and reviews: Most ads include quality photographs and in many cases, assessments of space and coexistence, which helps to make decisions with more information.
Habitaclia is a highly recommended option if you're looking for shared apartments in urban or coastal areas, especially in Catalonia, the Valencian Community, and the Balearic Islands.
photohouse

photohouse It is another of the most recognized real estate websites in Spain, ideal for those looking for rooms in shared apartments or rent apartments with several people, and make your search easier.
- Advanced filters: Allows you to search for rooms, apartments, student accommodations, by area, price, amenities, etc.
- Private chat: It's possible to speak directly with the advertiser within the platform, avoiding awkward calls or exposing personal data.
- New Offer Alerts: You can receive an immediate notification when a room matching your interests becomes available.
- Neighborhood Fact Sheet: A notable feature is the additional information about the area where the apartment is located, very useful if you're unfamiliar with the area.
Fotocasa is especially useful for its updated catalog and comparison tools.
Habitom

Habitom has burst onto the Spanish apartment-sharing market. It specializes not only in offering apartments and rooms, but also works as a social network for the community that shares housing.
- Social components and assessments: Users can rate previous experiences, share opinions about apartments and roommates, and choose based on real-life experiences.
- Free room listing: You can advertise your apartment or search for a room for free, and if you want extra benefits, there's a premium subscription (for example, to post multiple listings simultaneously or display expanded contact information).
- Ideal for students, young professionals and digital nomads: Their community is focused on people who value coexistence and transparency.
Habitoom also stands out because it is constantly updated and fosters trust among those seeking and offering accommodation.
Roomster
Roomster It is an international platform with a presence in more than 190 countries, making it an excellent option whether you are looking for roommates within Spain and abroad. to expand your international options.
- Detailed and verified profiles: Users create complete profiles with their interests, habits, and social preferences, making it easier to find like-minded people.
- Integration with social networks: You can connect your account to increase trust and ensure the identity of your future roommate or landlord.
- Secure chat functionality: Roomster offers secure in-app messaging to negotiate details and clarify questions without compromising your privacy.
- 24/7 customer support: If any problems arise, the app offers ongoing support.
Roomster allows you to list both individual rooms and entire apartments and is ideal for those looking to find international options or experience living abroad.
Disadvantages: Some services require a fee, such as direct contact with users, but basic registration and searching are free.
Splitwise

Living in a shared apartment not only requires finding the right roommate, but also manage common expenses fairly and efficiently. this is where Splitwise becomes an essential tool for control expenses in shared apartments.
- Expense and payment control: Splitwise lets you record all your household expenses (rent, bills, shopping, repairs) and automatically divides the debt among your household members.
- Notifications and reminders: The app notifies who owes whom, how much, and since when, avoiding misunderstandings and arguments.
- Multi-currency support: Ideal for homes where people of different nationalities live together.
- Attach receipts: You can add photos of receipts and explanatory notes to each expense.
Splitwise is available for Android and iOS and is highly rated for its simplicity and transparency.
Couchsurfing Travel App

Couchsurfing revolutionized the concept of home sharing: its platform is mainly focused on temporary exchange of accommodation anywhere in the world, allowing you to travel economically and experience new cultures from the inside.
- Opportunity to stay for free: It allows you to find sofas, rooms, or beds in private apartments, ideal for short stays, getaways, or study trips.
- Global Community: It has a presence in almost every country and allows you to both host travelers and search for a place to stay.
- Ratings and opinions: The system is based on trust, so you can check out reviews from other guests and hosts.
It also allows hosts and guests to discuss their travel plans beforehand to clarify expectations, rules, and length of stay. Its philosophy is one of cultural and social exchange, which can lead to friendships and enriching experiences.
Other recommended websites and apps for sharing a flat
Although the above options are the most popular and complete, there are other essential platforms and resources that further expand the possibilities of finding rooms in shared apartments, compatible roommates or relevant information about shared rentals.
- Pisocompartido.com: Website specializing in shared rooms and apartments in Spain. You can filter by city, accommodation type, and contract length, and contact owners directly via chat, phone, or WhatsApp. Includes a personalized alert system.
- Roomgo: An international platform with a strong presence in Spain for searching for rooms and finding compatible roommates. It allows you to create detailed profiles, see other users' interests, and chat before making a decision.
- Uniplaces: Very oriented to students, travelers and digital nomadsIt stands out for its security, simplicity, and detailed information on homes and their regulations. Its catalog is extensive in Europe, but is growing in Spain.
- Homestay: Specifically designed for student stays with host families, ideal for language or cultural immersion. Flexible options available (for example, Monday to Friday only).
- Spotahome: Recommended for foreigners looking to rent a room in Spain. It includes professional photos, floor plans, and house rules, and allows for secure online booking.
- Roomlala: A free platform that facilitates direct contact between hosts and room seekers, with a strong focus on students and flexible terms.
- Nestpick: It stands out because all its homes are furnished, which makes it easy to move in immediately without worrying about logistics.
- Study Abroad Apartments: Designed for couples or students who want to share an apartment for a specific period of time, especially in Madrid and Barcelona.
- Erasmusu: Originally focused on the Erasmus audience, but also useful for any student looking for affordable accommodation throughout Spain with expenses included.
Essential tips before sharing a flat
Choosing a roommate and living together requires careful consideration and certain precautions. Here's how to do it: Keys to avoiding problems and enjoying a comfortable stay: Learn how to better manage streaming platforms and avoid distractions at home..
- Check compatibility: Talking personally with candidates, understanding their habits, values, schedules, and expectations is essential. Don't base your decision solely on profiles or chats.
- Set clear rules for living together from the start: Sharing expenses, cleaning, guests, use of common areas... Everything should be agreed upon and preferably in writing.
- Respect and demand respect for privacy: Don't enter other people's rooms or use objects without permission. Privacy is crucial for good coexistence.
- Flexibility and communication: Tolerance for defects and errors, along with the ability to dialogue, prevents unnecessary conflicts.
- Check the authenticity of the ads: Make sure all information (photos, address, conditions) is legitimate. Use reputable platforms and never send money upfront to strangers.
Sharing a flat can be one of the most enriching and fun stages of your life, as long as you choose the right app and platform, take the right precautions, and focus on transparency and trust from the start. With today's wide range of apps and websites, finding the perfect room or roommate is just a click away, and it's becoming easier, safer, and more adaptable to all needs and lifestyles.