# RoSenKa Pro > Unlimited calculation of land valuation using the road value method. Supports multiple roads, addition of side/two-sided roads, and output of valuation details as PDFs. For practical estimation of inheritance tax and gift tax. Supervised by a certified tax accountant. Canonical page: [https://chrome-stats.com/d/com.bannotax.rosenka.pro](https://chrome-stats.com/d/com.bannotax.rosenka.pro) ## Overview - **ID:** `com.bannotax.rosenka.pro` - **Platform:** Android - **Type:** Android app - **Status:** Available - **Publisher:** ybb - **Category:** TOOLS - **Last updated:** 2026-07-28 - **First published:** 2026-07-28 - **Publisher country:** JP - **Data as of:** 2026-09-13 - **Store listing:** [Google Play Store](https://play.google.com/store/apps/details?id=com.bannotax.rosenka.pro) - **Privacy policy:** [https://sites.google.com/view/rosenka-app/](https://sites.google.com/view/rosenka-app/) ## Description [Detailed Explanation]
■ Land Valuation App using the Roadside Land Price Method (Pro Version)

This app allows you to calculate land valuations for inheritance and gift taxes using the roadside land price method.

Supervised by a tax accounting firm, it incorporates calculation logic that conforms to the National Tax Agency's valuation standards.

■ Pro Version Features (Monthly Subscription)

* Unlimited calculation of property valuation
* Supports valuation of two frontage roads (weighted average of two sections)
* Supports addition of influence from side roads and two-sided roads
* PDF output of valuation statement (compliant with National Tax Agency format; can be saved, printed, or emailed)
* Supports checking land price maps via address search
* Creates on-screen diagrams of land shapes
* Automatic application of depth price adjustment rate
* Automatic calculation of irregular land adjustment (shade area ratio)
* Automatic determination of narrow frontage and long depth adjustments

■ Recommended for:

* Those who want to continuously value multiple plots of land
* Those who want to value complex land such as corner lots and properties with two-sided roads
* Those who want to save and share valuation statements as PDFs
* Those who want to seriously consider inheritance planning and lifetime gifts
* Those who use approximate valuations daily in real estate, legal, or other professional fields

■ About Subscriptions

* All features of this app are available through a monthly auto-renewal subscription.

* The price is displayed on the in-app purchase screen and on Google Play.

* Payment will be charged to your Google account.

* This subscription will automatically renew monthly unless you cancel it.

* You can cancel at any time. You can do so through the "Subscriptions" settings in Google Play.

* Even after cancellation, you can continue to use the service until the end of the current billing period.

* When changing devices, you can restore your purchases from "Restore Purchases" within the app.

■ For those who wish to try it out

We also offer "RoSenKa lite," which has limited functionality.

You can try basic land valuation (one fronting road, up to 3 times per month).

■ Notes on Use

* The calculation results of this app are approximate. It does not guarantee the actual land valuation amount for inheritance tax or gift tax declarations.

* For formal valuation and declaration, please consult a tax professional.

* Road values ​​are published annually in July by the National Tax Agency. Please check the latest road values ​​before entering your information.

* An internet connection is required for map display and address search.

■ Supervision

Yasushi Banno Certified Public Accountant Office (Nishi-ku, Nagoya City)
A certified public accountant office specializing in inheritance tax filing, land valuation, and business succession.

https://banno-tax.com

■ Privacy Policy

https://sites.google.com/view/rosenka-app/ ## Rankings - #3,164,757 — Overall ## Similar extensions and apps - [RoSenKa lite](https://chrome-stats.com/d/com.bannotax.rosenka.lite) - [スマホde2in1Win / 不動産業・士業の業務をサポート](https://chrome-stats.com/d/com.bbcapp.sp2in1) — 367 users - [Revenue Assistant (RA)](https://chrome-stats.com/d/com.revenueassistant.rms) — 480 users - [LandMaster PRO](https://chrome-stats.com/d/com.landmasterpro.app) — 5 users - [Sum-Rise -税理士のためのお役立ちアプリ](https://chrome-stats.com/d/jp.co.inspireconsulting.sum_rise) — 5,917 users - [プロのための不動産ツール｜ローン計算・変換・六曜をこれ1つで](https://chrome-stats.com/d/com.nest_support.nest_tools.prod) — 8 users - [Valuation Fee Calculator Pro](https://chrome-stats.com/d/com.propertyx.mvsvaluationfeecalculatorpro) — 28 users - [Associated Valuers](https://chrome-stats.com/d/com.realappraiser.associatedvaluers) — 47 users - [不動産ツール](https://chrome-stats.com/d/com.realestatetools.android) — 1 users - [シーリング積算PRO](https://chrome-stats.com/d/jp.nobunariseal.sekisanpro) — 20 users - [Surveyor Calculator Pro](https://chrome-stats.com/d/my.inova.surveyorcalculatorpro) — 337 users --- Source: [Chrome-Stats](https://chrome-stats.com/d/com.bannotax.rosenka.pro)