# CEMPRO Lite vs ECD Calculator

The clearest difference is review sentiment: ECD Calculator at 100% against CEMPRO Lite's 0%. ECD Calculator also leads on rating (5.0 vs 3.8) and update cadence (every 5 days vs every 2 months). CEMPRO Lite's advantage is in-app purchases (none vs 2) and iOS requirement (7.0 vs 15.1). On price, ratings volume, ads and monetization model there is nothing between them.

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

ECD Calculator holds the better App Store score, 5.0 against 3.8. Both are backed by a comparable volume of ratings — 4 and 5 respectively. Written reviews point the same way: 0% of CEMPRO Lite's written reviews are positive against 100% of ECD Calculator's.

CEMPRO Lite ships an update every 2 months, ECD Calculator every 5 days. The most recent releases landed on October 24, 2026 and October 6, 2026 respectively.

## The numbers

| Metric | CEMPRO Lite | ECD Calculator |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (4 ratings)](https://appshunter.io/ios/app/cempro-lite/id1116681742/reviews) | **[5.0 (5 ratings)](https://appshunter.io/ios/app/ecd-calculator/id6754762850/reviews)** |
| Number of ratings | 4 | **5** |
| Positive reviews | 0.0% of reviews | **100.0% of reviews** |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 2 months | **Every 5 days** |
| Monetization | Free | Free |
| Size | 12 MB | 45 MB |
| Requires iOS | **7.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 17+ |
| Developer | [Pegasus Vertex, Inc.](https://appshunter.io/developer/954796003) | [Drillsoft LLC](https://appshunter.io/developer/1787962403) |

## What reviewers say

### CEMPRO Lite

[App page](https://appshunter.io/ios/app/cempro-lite/id1116681742)

This app simplifies complex wellbore calculations for cementing jobs. It allows users to quickly and accurately determine slurry volumes and visualize wellbore schematics with fluids. The tool helps create realistic casing strings and understand cementing processes more effectively.

**Highlights:** Slurry volume calculations, Wellbore schematic visualization, Realistic casing/working string creation, Fluid location and pumping volume specification, Handles up to 10 pipe sections, Supports up to 10 circulating fluids

**Features:** macOS Compatibility

**In-app purchases:** none


### 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 |


## Frequently asked questions

### Is CEMPRO Lite free?

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

### Is ECD Calculator free?

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

### Which has better reviews, CEMPRO Lite or ECD Calculator?

ECD Calculator is rated higher. CEMPRO Lite averages 3.8 out of 5 from 4 ratings, while ECD Calculator averages 5.0 from 5 ratings.

### Do CEMPRO Lite or ECD Calculator have ads?

Neither CEMPRO Lite nor ECD Calculator shows ads.

### Which is updated more often, CEMPRO Lite or ECD Calculator?

CEMPRO Lite ships an update every 2 months, and ECD Calculator every 5 days. Most recently, CEMPRO Lite was updated on October 24, 2026 and ECD Calculator on October 6, 2026.

---

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