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FAQ

Frequently asked questions

About how to use Sumilca, the limits of our data, the disclaimer, error reports, login, and pricing. Use it to clear up any concerns and compare with confidence.

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6 questions found

What is Sumilca, and how is it pronounced?Pronounced “su-mi-ru-ka”. A second opinion for choosing a home, comparing listings on price, commute, and disaster risk.Expand
  • “Sumilca” is pronounced “su-mi-ru-ka” (すみるか in Japanese).
  • It is a second-opinion service for choosing a home in Japan: it scores listings from multiple real-estate sites on the same three measures — price, commute time, and disaster risk — and ranks them for your conditions.
  • You can start for free with no name or email.
  • The thinking behind it is laid out in Our philosophy.
About the limits of our dataWe organize public data. Update timing can vary.Expand
  • Organized from official statistics, public administrative data, and openly available information.
  • Because update frequency and coverage are limited, there may be differences from the latest situation.
  • You can check the detailed basis on the Sources page.
Disclaimer and our stance on judgmentA second opinion that organizes comparison material. The final call is yours.Expand
  • Sumilca does not make the purchase decision for you; it is a second opinion that organizes comparison material.
  • Please always make the final decision yourself.
  • Details of the disclaimer are stated in the Terms.
Error reports and improvement requestsReach us via the form. A first reply within 72 hours is our target.Expand
  • If you find an error, please let us know via the form.
  • We aim to send a first reply within 72 hours (3 business days) and keep you posted.
  • After we address it, we publish the change history to keep our handling of public data transparent.
  • You can report directly from the FAQ using the .
About logging inGoogle login is available. Save conditions and keep favorites.Expand
  • Logging in lets you save conditions and manage favorites.
  • Google login is currently available.
  • For environments where Google isn't an option, we're preparing email-link login too.
  • Apple login is also being considered as a future option.
  • You can reach the login screen here.
About pricingCore features, including door-to-door comparison for one destination, are free. The paid plan adds multi-destination comparison, new-listing alerts on saved conditions and unlimited PDF reports.Expand
  • Core features are free to use.
  • Comparing by door-to-door commute time from home to work or school is free for one destination. Premium (¥980/month) adds comparing two or more destinations at once, alerts when a new listing enters the top of a saved condition's ranking, plus unlimited PDF reports. PDF reports can also be bought for ¥380 each, and logged-in users can generate their first report free.
  • Details are summarized on Pricing & plans.