Japan’s real estate industry is rapidly adopting technology to improve property discovery, transactions, management, investment, and customer experiences. From AI-powered property platforms and virtual tours to rental management systems and real estate SaaS, PropTech is helping businesses modernize traditional processes.
For companies planning to launch a PropTech product in Japan, choosing the right technology partner is an important decision. The ideal development company should understand real estate workflows while also having expertise in mobile apps, web applications, cloud platforms, AI, data management, and other emerging technologies.
Here are the 10 real estate app development companies in Japan that businesses can consider for building innovative PropTech solutions in 2026.
1. Apptunix
Apptunix is a global mobile and software development company that provides custom real estate app development solutions for startups, enterprises, and property businesses.
The company can help businesses build property listing platforms, real estate marketplaces, property management apps, rental applications, agent platforms, and other digital solutions. Its development capabilities can also support features such as advanced property search, map integration, virtual tours, push notifications, payment integration, user dashboards, and real-time communication.
With 13+ years of experience and 2,500+ successful projects, Apptunix can be a strong option for businesses looking to develop a scalable PropTech product for the Japanese market.
Key strengths:
- Real estate app development
- iOS and Android development
- Property marketplace development
- Custom software development
- AI and emerging technology integration
- UI/UX design
- Post-launch maintenance and support
Best for: Startups, property companies, real estate marketplaces, and businesses seeking an end-to-end technology partner.
2. DEVET
DEVET is a Tokyo-based technology company that provides web application development, Salesforce implementation, DX support, and real estate SaaS development. The company specifically works on solutions for the real estate industry, including systems for property and contract management.
Its focus on real estate SaaS makes it an interesting option for companies that want to digitize internal workflows rather than simply launch a consumer-facing property app.
Key strengths:
- Real estate SaaS development
- Web application development
- Property management systems
- Contract management solutions
- Salesforce implementation
- DX support
Best for: Real estate companies looking for customized SaaS and business-management solutions.
3. CoLife
CoLife is a Japanese technology company that develops PropTech products and also provides development support for real estate technology businesses. Its capabilities cover areas such as property search, property management, investment, rental services, VR/3D, AI, big data, and IoT.
The company has also developed products including ROOV, a VR condominium viewing service, and iecon, a customer management application for housing businesses.
Key strengths:
- PropTech development
- VR/3D solutions
- Property search platforms
- Property management technology
- AI and big data
- IoT solutions
Best for: Businesses planning technology-heavy PropTech products with property visualization or data-driven features.
4. Housmart
Housmart is a Japanese PropTech company that develops digital solutions for the real estate industry. Its technology focuses on improving property transactions and helping real estate professionals manage customer and property-related information more efficiently.
The company is known for developing digital tools that support real estate agents and improve the overall property buying and selling experience.
Key strengths:
- PropTech solutions
- Real estate SaaS
- Property transaction technology
- Customer management
- Digital real estate solutions
Best for: Real estate agencies and property businesses looking to improve their sales and customer management processes through technology.
5. SUMAAI Inc.
SUMAAI is a Tokyo-based PropTech company founded in 2026 that focuses on AI software for the real estate industry. Its platform is designed to support property management work, including tenant communication, report preparation, contract workflows, and other daily operations.
Its AI-first approach makes it an interesting company to consider for businesses exploring automation and artificial intelligence within real estate operations.
Key strengths:
- AI-powered real estate software
- Property management automation
- Tenant communication
- Contract workflows
- Real estate operations technology
Best for: Property management companies and businesses exploring AI-driven PropTech solutions.
6. DDAM
DDAM is a Tokyo-based company established in 2023 that combines real estate operations with AI and system development. Its services include AI and system development specifically for real estate businesses, alongside its own real estate rental and management operations.
Because the company has experience operating in the real estate sector itself, it can bring practical industry knowledge to technology projects.
Key strengths:
- Real estate AI development
- Custom system development
- Property management technology
- Data-driven solutions
- Real estate business expertise
Best for: Small and mid-sized property businesses looking for practical AI and system-development solutions.
7. EPICs
EPICs is a Tokyo-based technology company included among Japanese real estate system development providers. It focuses on no-code and custom development approaches, making it an option for companies seeking faster and potentially more cost-efficient digital product development.
Its development approach can be useful for businesses that want to validate a PropTech concept before investing heavily in a large-scale platform.
Key strengths:
- No-code development
- Custom software development
- Rapid product development
- Real estate system development
- Digital transformation
Best for: Startups and smaller real estate businesses looking to launch or validate a PropTech product quickly.
8. System Exe
System Exe is a Japanese independent systems integrator with a dedicated real estate solutions division. Its capabilities include custom development and low-code approaches for real estate businesses.
The company can be considered by organizations that require customized business systems rather than only a consumer-facing mobile application.
Key strengths:
- Real estate system development
- Custom software
- Low-code development
- Business process solutions
- Enterprise technology
Best for: Real estate organizations requiring customized internal platforms and operational systems.
9. Reprosu
Reprosu is a Japanese development company with a strong focus on real estate-related web and system development. According to a recent Japanese industry guide, around 80–90% of its development work is related to real estate.
This specialization can be valuable for businesses that need a development partner familiar with industry-specific workflows and requirements.
Key strengths:
- Real estate system development
- Web development
- Custom software
- Business process improvement
- Real estate-focused technology
Best for: Real estate companies seeking a specialized development partner with industry experience.
10. ASC
ASC is a Tokyo-based technology company included among Japanese real estate system development providers. Its strengths include handling large volumes of real estate data and providing ongoing operational support.
For businesses working with large property databases or information-heavy platforms, its experience with real estate data can be particularly useful.
Key strengths:
- Real estate data management
- Custom system development
- Property-related software
- Data processing
- Operational support
Best for: Real estate businesses managing large property datasets and complex digital operations.
What Should You Look for in a PropTech Development Company?
Choosing a PropTech development partner requires more than comparing development prices. Consider the following factors before starting your project.
Real Estate Industry Knowledge
A development company should understand how property listings, rentals, sales, agents, tenants, owners, property managers, and investors interact within the platform.
Mobile and Web Development Expertise
Many PropTech products require both mobile applications and web-based dashboards. Make sure your development partner can create a consistent experience across platforms.
AI and Automation Capabilities
AI can be used for property recommendations, automated customer support, valuation assistance, document processing, lead management, and predictive analytics. If AI is part of your roadmap, choose a partner with relevant experience.
Maps and Location Features
Location is central to property applications. Features such as map-based property discovery, nearby amenities, commute information, geolocation, and location-based search can significantly improve the user experience.
Data Security
Real estate platforms handle sensitive customer, property, financial, and transaction information. Strong authentication, encryption, secure APIs, access controls, and appropriate data protection practices should be part of the development plan.
Scalability
A PropTech platform may start with a small number of properties and users but can grow rapidly. Choose a development partner capable of building an architecture that can handle increasing users, listings, transactions, and integrations.
Post-Launch Support
A successful PropTech product requires continuous updates, bug fixes, security improvements, performance optimization, and new features. Discuss long-term maintenance and support before selecting a company.
Final Thoughts
The Japanese PropTech ecosystem includes companies working across mobile applications, property management, real estate SaaS, AI, VR, data management, and digital transformation. This gives businesses plenty of options when selecting a technology partner.
Companies such as DEVET, CoLife, Housmart, SUMAAI, DDAM, EPICs, System Exe, Reprosu, and ASC offer different approaches to real estate technology, from specialized SaaS and AI solutions to custom software and property management systems.
For businesses seeking a global development partner, Apptunix offers end-to-end real estate app development capabilities that can support everything from an initial PropTech concept to a scalable production-ready platform.
Ultimately, the right real estate app development company in Japan will depend on your business model, target users, required features, budget, technology stack, and long-term growth plans.