# ESDPS Survey System vs 建工计算器

The clearest difference is in-app purchases: 建工计算器 at none against ESDPS Survey System's 2. 建工计算器 also leads on device support (3 vs 1) and iOS requirement (15.0 vs 17.0). On price and ads there is nothing between them.

Both are free to download. ESDPS Survey System sells 2 in-app purchases, starting at $6.99 per month. 建工计算器 asks for nothing beyond the download.

## The numbers

| Metric | ESDPS Survey System | 建工计算器 |
| --- | --- | --- |
| Price | Free | Free |
| Rating | **[5.0 (1 ratings)](https://appshunter.io/ios/app/esdps-survey-system/id6779094395/reviews)** | — |
| Number of ratings | **1** | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Monetization | Free with in-app purchases | — |
| Size | 17 MB | 3 MB |
| Requires iOS | 17.0 | **15.0** |
| Devices | iPhone | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [丽君 张](https://appshunter.io/developer/6779038093) | [雨雪 雷](https://appshunter.io/developer/1896522689) |

## What reviewers say

### ESDPS Survey System

[App page](https://appshunter.io/ios/app/esdps-survey-system/id6779094395)

This professional engineering surveying app offers advanced field calculation, road staking, and earthwork quantity computation. It includes tools for curve staking, basic surveying, topographic mapping, and point cloud processing. An AI assistant aids in file queries and parameter explanations.

**Highlights:** Advanced curve staking, Comprehensive surveying calculations, Multiple earthwork calculation methods, Survey adjustment tools, Topographic and drawing tools, Point cloud processing and viewing, AI assistant for queries and recognition

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| ESDPS Monthly Plan | $6.99 | per month |
| Full Lifetime Access | $79.99 | one-time |


### 建工计算器

[App page](https://appshunter.io/ios/app/id6791598985)

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

**In-app purchases:** none


## Frequently asked questions

### Is ESDPS Survey System free?

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

### Is 建工计算器 free?

建工计算器 is free to download, with no in-app purchases.

### Do ESDPS Survey System or 建工计算器 have ads?

Neither ESDPS Survey System nor 建工计算器 shows ads.

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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.*