Compared on data, not on marketing copy.
Listing portals optimize for clicks. AiSumai produces a fair, transparent report that lays out the good and the worrying side by side, on the same scale.
AiSumai brings AI analysis, expert insight, and community signal together so you can compare two shortlisted homes side by side, fairly.
AI, experts, and community — three lenses that converge on the answer that's right for you.
Floor plan, location data, pricing, age, and risk factors. Our AI evaluates both properties on objective criteria weighted to your personal priorities.
Licensed local agents add the context data alone can't provide — flagging things to watch out for and adding practical, experience-backed advice.
Browse comparisons made by people in similar situations. Seeing what others chose, and why, sharpens your own judgment.
Listing portals optimize for clicks. AiSumai produces a fair, transparent report that lays out the good and the worrying side by side, on the same scale.
Paste two URLs. Our AI extracts the key differences, scores, and risks immediately, so you have something concrete to react to instead of staring at two listings.
On top of the AI score, verified real estate experts add their own commentary — so the call you make is backed by both technology and lived experience.
The questions we hear most often.
You can compare any two residential properties in Japan, including apartments, houses, condominiums, and more. The service works for both rentals and properties for sale.
Basic home comparisons on AiSumai (愛住) are free. In the future, premium features such as deeper AI analysis and one-on-one expert consultations may be offered through paid plans.
In the future, we plan to support automatic data importing from major Japanese real estate platforms including Suumo, at home, LIFULL HOME'S, and others. Currently, you can enter property information manually.
Our AI provides recommendations based on the data available and your stated preferences. It's designed to offer an objective analysis, but we always recommend considering the expert insights alongside the AI recommendation for a complete picture.
Our experts include licensed real estate agents, property managers, and other industry professionals in Japan. Each expert has a verified profile showing their credentials, experience, and areas of specialization.
By default, your property comparisons are private. You have the option to make them public to contribute to our community knowledge base, but this is entirely optional.
No signup required, free for 3 comparisons. Drop in two listings to get started.