# 印紙電卓 vs 不動産の窓口

The clearest difference is in-app purchases: 印紙電卓 at none against 不動産の窓口's 1. 印紙電卓 also leads on ads (none vs shown) and iOS requirement (7.0 vs 15.6). 不動産の窓口's advantage is update cadence (every 6 weeks vs every 4 months). On price and device support there is nothing between them.

Both are free to download. 不動産の窓口 sells 1 one-off in-app purchase. 印紙電卓 asks for nothing beyond the download.

印紙電卓 ships an update every 4 months, 不動産の窓口 every 6 weeks. The most recent releases landed on September 26, 2026 and October 1, 2026 respectively.

## The numbers

| Metric | 印紙電卓 | 不動産の窓口 |
| --- | --- | --- |
| Price | Free | Free |
| In-app purchases | **No** | Yes |
| Ads | **No** | Yes |
| Update frequency | Every 4 months | **Every 6 weeks** |
| Size | 0 MB | 64 MB |
| Requires iOS | **7.0** | 15.6 |
| Devices | iPhone, iPod | iPhone, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Nakanishi Toshihiko](https://appshunter.io/developer/712843914) | [hidehiko aihara](https://appshunter.io/developer/1178520609) |

## What reviewers say

### 印紙電卓

[App page](https://appshunter.io/ios/app/id712843911)

**Features:** macOS Compatibility

**In-app purchases:** none


### 不動産の窓口

[App page](https://appshunter.io/ios/app/id1553843708)

**Features:** macOS Compatibility

**In-app purchases (1)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 開発者応援募金 | $1.99 | one-time |


## Frequently asked questions

### Is 印紙電卓 free?

印紙電卓 is free to download, with no in-app purchases.

### Is 不動産の窓口 free?

不動産の窓口 is free to download, with in-app purchases available.

### Do 印紙電卓 or 不動産の窓口 have ads?

不動産の窓口 shows ads; 印紙電卓 does not.

### Which is updated more often, 印紙電卓 or 不動産の窓口?

印紙電卓 ships an update every 4 months, and 不動産の窓口 every 6 weeks. Most recently, 印紙電卓 was updated on September 26, 2026 and 不動産の窓口 on October 1, 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.*