# ECD Calculator vs MDfieldmapperPro

The clearest difference is in-app purchases: MDfieldmapperPro at none against ECD Calculator's 2. ECD Calculator's advantage is ratings volume (5 vs 1) and device support (3 vs 1). On price, rating, ads and monetization model there is nothing between them.

Both are free to download. ECD Calculator sells 2 one-off in-app purchases. MDfieldmapperPro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for ECD Calculator against 5.0 for MDfieldmapperPro. That said, the two scores are not equally well evidenced: ECD Calculator has 5 ratings behind it against 1, so its average is the more settled of the two.

## The numbers

| Metric | ECD Calculator | MDfieldmapperPro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (5 ratings)](https://appshunter.io/ios/app/ecd-calculator/id6754762850/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/mdfieldmapperpro/id6756550661/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | Yes | **No** |
| Ads | No | No |
| Update frequency | Every 5 days | — |
| Monetization | Free | Free |
| Size | 45 MB | 7 MB |
| Requires iOS | **15.1** | 16.6 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 17+ | 4+ |
| Developer | [Drillsoft LLC](https://appshunter.io/developer/1787962403) | [Richard Morgan](https://appshunter.io/developer/1861339565) |

## What reviewers say

### ECD Calculator

[App page](https://appshunter.io/ios/app/ecd-calculator/id6754762850)

This utility app assists drilling and mud engineers in calculating Equivalent Circulating Density (ECD) at any point during operations. It offers a streamlined process with just a few clicks.

**Highlights:** ECD calculation, Drilling engineering, Mud engineering, Point-of-operation calculation, Streamlined interface

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| 50 credits | $3.99 | one-time |
| 300 Credits | $9.99 | one-time |


### MDfieldmapperPro

[App page](https://appshunter.io/ios/app/mdfieldmapperpro/id6756550661)

This app transforms metal detecting into a precise survey. It uses your iPhone's LiDAR and motion sensors to create a live 3D map of your detector's path and the ground. Track coil position, height, and signal response for detailed analysis and documentation.

**Highlights:** Live 3D coil path mapping, Coil height tracking via LiDAR, Signal response analysis, Local data storage, Survey data export (SQLite, point clouds), Wired audio detector connection

**Features:** macOS Compatibility

**In-app purchases:** none


## Frequently asked questions

### Is ECD Calculator free?

ECD Calculator is free to download, with in-app purchases available.

### Is MDfieldmapperPro free?

MDfieldmapperPro is free to download, with no in-app purchases.

### Which has better reviews, ECD Calculator or MDfieldmapperPro?

ECD Calculator and MDfieldmapperPro are both rated 5.0 out of 5 on the App Store, from 5 and 1 ratings respectively.

### Do ECD Calculator or MDfieldmapperPro have ads?

Neither ECD Calculator nor MDfieldmapperPro 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.*