# ECD Calculator vs Code Scanner

The clearest difference is monetization model: ECD Calculator at free against Code Scanner's free with in-app purchases. ECD Calculator also leads on ratings volume (5 vs 1). On price, rating, review sentiment and update cadence there is nothing between them.

Both are free to download. ECD Calculator sells 2 one-off in-app purchases and Code Scanner sells 2 in-app purchases, starting at $4.99 per month. Whichever you choose, the download price is not the number that matters.

On the App Store both sit at effectively the same score — 5.0 for ECD Calculator against 5.0 for Code Scanner. 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. Written reviews split almost evenly too, at 100% and 100% positive.

ECD Calculator ships an update every 5 days, Code Scanner every 3 days. The most recent releases landed on October 6, 2026 and October 7, 2026 respectively.

## The numbers

| Metric | ECD Calculator | Code Scanner |
| --- | --- | --- |
| 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/code-scanner-qr-and-barcode/id6767665832/reviews) |
| Number of ratings | **5** | 1 |
| Positive reviews | 100.0% of reviews | 100.0% of reviews |
| In-app purchases | Yes | Yes |
| Ads | No | No |
| Update frequency | Every 5 days | **Every 3 days** |
| Monetization | **Free** | Free with in-app purchases |
| Size | 45 MB | 46 MB |
| Requires iOS | 15.1 | 15.1 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 17+ | 4+ |
| Developer | [Drillsoft LLC](https://appshunter.io/developer/1787962403) | [BRIAN ALEXANDER LOBO-AMARO](https://appshunter.io/developer/1896497764) |

## 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 |


### Code Scanner

[App page](https://appshunter.io/ios/app/code-scanner-qr-and-barcode/id6767665832)

Instantly scan and create various QR and barcode types, including Wi-Fi, contacts, and product information. Organize your scan history with folders and search functionality. Offers advanced creation options with custom styling and logo overlays.

**Highlights:** Scan QR codes and barcodes instantly, Create custom QR codes with styling, Support for Wi-Fi, contacts, and product barcodes, Searchable scan history, Organize codes with folders, Batch scan mode, Export codes in various formats

**Features:** macOS Compatibility

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Code Scanner Pro Monthly | $4.99 | per month |
| Code Scanner Pro Yearly | $39.99 | per year |


## Frequently asked questions

### Is ECD Calculator free?

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

### Is Code Scanner free?

Code Scanner is free to download, with in-app purchases available.

### Which has better reviews, ECD Calculator or Code Scanner?

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

### Do ECD Calculator or Code Scanner have ads?

Neither ECD Calculator nor Code Scanner shows ads.

### Which is updated more often, ECD Calculator or Code Scanner?

ECD Calculator ships an update every 5 days, and Code Scanner every 3 days. Most recently, ECD Calculator was updated on October 6, 2026 and Code Scanner on October 7, 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.*