# Elevation Survey vs 測量 座標計算

The clearest difference is price: Elevation Survey at Free against 測量 座標計算's $1.99. Elevation Survey also leads on review sentiment (32% vs 18%). 測量 座標計算's advantage is in-app purchases (none vs 2) and update cadence (monthly vs every 3 months). On ads, device support and iOS requirement there is nothing between them.

Elevation Survey is free to download; 測量 座標計算 costs $1.99 up front. Elevation Survey sells 2 in-app purchases, starting at $6.99 per month. 測量 座標計算 asks for nothing beyond the download.

Elevation Survey ships an update every 3 months, 測量 座標計算 monthly. The most recent releases landed on September 16, 2026 and September 13, 2026 respectively.

## The numbers

| Metric | Elevation Survey | 測量 座標計算 |
| --- | --- | --- |
| Price | **Free** | $1.99 |
| Positive reviews | **32.3% of reviews** | 17.6% of reviews |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 3 months | **Monthly** |
| Monetization | **Freemium** | Paid |
| Size | 75 MB | 6 MB |
| Requires iOS | 15.0 | **14.1** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Booth](https://appshunter.io/developer/415450674) | [youji okamura](https://appshunter.io/developer/834016142) |

## What reviewers say

### Elevation Survey

[App page](https://appshunter.io/ios/app/elevation-survey/id433368313)

This app simplifies leveling surveys by automatically calculating instrument and ground heights. It allows for instant computation of staff readings for layout work and offers flexible data entry modes. Survey data can be easily exported and shared.

**Highlights:** Automatic HI and GH calculation, Instant staff reading computation for layout, Color-coded input and results, Add notes for projects, Export data as CSV, Standard and Staff data entry modes, In-app tutorial

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Premium Monthly | $6.99 | per month |
| Premium Yearly | $59.99 | per year |


### 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 Elevation Survey free?

Elevation Survey is free to download, with in-app purchases available.

### Is 測量 座標計算 free?

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

### Do Elevation Survey or 測量 座標計算 have ads?

Neither Elevation Survey nor 測量 座標計算 shows ads.

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

Elevation Survey ships an update every 3 months, and 測量 座標計算 monthly. Most recently, Elevation Survey was updated on September 16, 2026 and 測量 座標計算 on September 13, 2026.

---

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