# Houji vs 測量 座標計算

The clearest difference is update cadence: 測量 座標計算 at monthly against Houji's every 7 months. 測量 座標計算 also leads on device support (3 vs 1) and iOS requirement (14.1 vs 16.1). On price, ads and in-app purchases there is nothing between them.

Houji costs $1.99 and 測量 座標計算 $1.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Houji ships an update every 7 months, 測量 座標計算 monthly. The most recent releases landed on October 30, 2026 and October 29, 2026 respectively.

## The numbers

| Metric | Houji | 測量 座標計算 |
| --- | --- | --- |
| Price | $1.99 | $1.99 |
| Positive reviews | — | 17.6% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 7 months | **Monthly** |
| Monetization | — | Paid |
| Size | 4 MB | 6 MB |
| Requires iOS | 16.1 | **14.1** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [her0.jp](https://appshunter.io/developer/482918302) | [youji okamura](https://appshunter.io/developer/834016142) |

## What reviewers say

### Houji

[App page](https://appshunter.io/ios/app/houji/id482918299)

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

**In-app purchases:** none


### 測量 座標計算

[App page](https://appshunter.io/ios/app/id989856065)

This app simplifies construction surveying by calculating angles and distances using the reverse traverse method. Input known coordinates and it computes unknown points, eliminating the need for manual scientific calculator work on-site. Elevation calculations are also supported.

**Highlights:** Reverse traverse method calculations, Input XY coordinates, Calculate contained angle, Calculate distance, Elevation calculation

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

**In-app purchases:** none


## Frequently asked questions

### Is Houji free?

Houji costs $1.99, with no in-app purchases.

### Is 測量 座標計算 free?

測量 座標計算 costs $1.99, with no in-app purchases.

### Do Houji or 測量 座標計算 have ads?

Neither Houji nor 測量 座標計算 shows ads.

### Which is updated more often, Houji or 測量 座標計算?

Houji ships an update every 7 months, and 測量 座標計算 monthly. Most recently, Houji was updated on October 30, 2026 and 測量 座標計算 on October 29, 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.*