# 不動産電卓 @返済くんCalc vs ローン計算と坪換算

The clearest difference is review sentiment: ローン計算と坪換算 at 50% against 不動産電卓 @返済くんCalc's 0%. ローン計算と坪換算 also leads on in-app purchases (none vs 2) and iOS requirement (12.2 vs 15.0). 不動産電卓 @返済くんCalc's advantage is ads (none vs shown). On price, update cadence and device support there is nothing between them.

Both are free to download. 不動産電卓 @返済くんCalc sells 2 in-app purchases, starting at $0.49 per 2 months. ローン計算と坪換算 asks for nothing beyond the download.

不動産電卓 @返済くんCalc ships an update every 3 months, ローン計算と坪換算 every 2 months. The most recent releases landed on October 29, 2026 and October 26, 2026 respectively.

## The numbers

| Metric | 不動産電卓 @返済くんCalc | ローン計算と坪換算 |
| --- | --- | --- |
| Price | Free | Free |
| Positive reviews | 0.0% of reviews | **50.0% of reviews** |
| In-app purchases | Yes | **No** |
| Ads | **No** | Yes |
| Update frequency | Every 3 months | **Every 2 months** |
| Monetization | Freemium | **Ad-supported** |
| Size | 7 MB | 6 MB |
| Requires iOS | 15.0 | **12.2** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [ichiro tanioka](https://appshunter.io/developer/557079290) | [Hideyuki Aono](https://appshunter.io/developer/1458194648) |

## What reviewers say

### 不動産電卓 @返済くんCalc

[App page](https://appshunter.io/ios/app/calc/id806789471)

This app is a must-have calculation tool for real estate and housing sales professionals, also ideal for individuals simulating home purchases. It offers advanced features like reverse loan limit calculation and remaining balance calculation, with basic functions available for free.

**Highlights:** Reverse loan limit calculation, Remaining balance calculation, Brokerage fee calculation, Mortgage loan calculations, Area conversion (Tsubo ⇔ m2), Consumption tax calculation

**Features:** macOS Compatibility, Family Sharing, Vision Pro support

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| PRO版へアップグレード | $0.49 | per 2 months |
| PRO版へアップグレード | $1.99 | per year |


### ローン計算と坪換算

[App page](https://appshunter.io/ios/app/id1478486440)

This app simplifies complex real estate and loan calculations. It offers offline unit conversions for area (tsubo, square meters, tatami) and detailed loan repayment analysis, including interest and total repayment amounts. Customize settings for precise results.

**Highlights:** Tsubo, square meter, and tatami unit conversion, Price and price per tsubo calculation, Loan amount, bonus payment, and variable interest rate input, Monthly payment, total repayment, and interest calculation, Completion age calculation, Save and clear calculation history, Customizable rounding and decimal settings

**Features:** macOS Compatibility, Vision Pro support

**In-app purchases:** none


## Frequently asked questions

### Is 不動産電卓 @返済くんCalc free?

不動産電卓 @返済くんCalc is free to download, with in-app purchases available.

### Is ローン計算と坪換算 free?

ローン計算と坪換算 is free to download, with no in-app purchases.

### Do 不動産電卓 @返済くんCalc or ローン計算と坪換算 have ads?

ローン計算と坪換算 shows ads; 不動産電卓 @返済くんCalc does not.

### Which is updated more often, 不動産電卓 @返済くんCalc or ローン計算と坪換算?

不動産電卓 @返済くんCalc ships an update every 3 months, and ローン計算と坪換算 every 2 months. Most recently, 不動産電卓 @返済くんCalc was updated on October 29, 2026 and ローン計算と坪換算 on October 26, 2026.

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*Compared by [AppsHunter](https://appshunter.io/) from daily US App Store data. Review summaries are generated from verbatim App Store reviews.*