# Drilling Engineering vs Mud Man Pro

The clearest difference is rating: Mud Man Pro at 5.0 against Drilling Engineering's 3.8. Mud Man Pro also leads on update cadence (every 4 months vs every 42 months). Drilling Engineering's advantage is ratings volume (19 vs 1) and device support (3 vs 1). On price, ads, in-app purchases and monetization model there is nothing between them.

Both are free to download. Neither carries in-app purchases, so what you see is what you pay.

Mud Man Pro holds the better App Store score, 5.0 against 3.8. That said, the two scores are not equally well evidenced: Drilling Engineering has 19 ratings behind it against 1, so its average is the more settled of the two.

Drilling Engineering ships an update every 42 months, Mud Man Pro every 4 months. The most recent releases landed on October 3, 2026 and October 11, 2026 respectively.

## The numbers

| Metric | Drilling Engineering | Mud Man Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [3.8 (19 ratings)](https://appshunter.io/ios/app/drilling-engineering/id891302915/reviews) | **[5.0 (1 ratings)](https://appshunter.io/ios/app/mud-man-pro/id6765783852/reviews)** |
| Number of ratings | **19** | 1 |
| Positive reviews | 50.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 42 months | **Every 4 months** |
| Monetization | Free | Free |
| Size | 8 MB | 3 MB |
| Requires iOS | **7.0** | 16.0 |
| Devices | **iPhone, iPad, iPod** | iPhone |
| Age rating | 4+ | 4+ |
| Developer | [PT. Pertamina (Persero)](https://appshunter.io/developer/541838859) | [Colten Meadows](https://appshunter.io/developer/1896073318) |

## What reviewers say

### Drilling Engineering

[App page](https://appshunter.io/ios/app/drilling-engineering/id891302915)

This app provides essential tools for oil and gas professionals involved in drilling operations. It offers unit conversions, a comprehensive drilling calculator, API tubular data, stuck pipe problem identification, and well control calculations.

**Highlights:** Petroleum Unit Conversion, Drilling Calculator (90+ calculations), API Tubular Data, Stuck Pipe Problem Identification, Well Control Kill Sheet

**Features:** macOS Compatibility

**In-app purchases:** none


### Mud Man Pro

[App page](https://appshunter.io/ios/app/mud-man-pro/id6765783852)

This offline drilling fluid calculator provides essential tools for mud engineers on the rig. It offers over 20 specialized calculators for various fluid properties and operations, along with a comprehensive field notes library. Designed for speed and accuracy without internet dependency.

**Highlights:** 20+ drilling fluid calculators, OBM and WBM support, Offline functionality, Field notes library, Pilot test converter, Hitch calendar

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

**In-app purchases:** none


## Frequently asked questions

### Is Drilling Engineering free?

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

### Is Mud Man Pro free?

Mud Man Pro is free to download, with no in-app purchases.

### Which has better reviews, Drilling Engineering or Mud Man Pro?

Mud Man Pro is rated higher. Drilling Engineering averages 3.8 out of 5 from 19 ratings, while Mud Man Pro averages 5.0 from 1 ratings.

### Do Drilling Engineering or Mud Man Pro have ads?

Neither Drilling Engineering nor Mud Man Pro shows ads.

### Which is updated more often, Drilling Engineering or Mud Man Pro?

Drilling Engineering ships an update every 42 months, and Mud Man Pro every 4 months. Most recently, Drilling Engineering was updated on October 3, 2026 and Mud Man Pro on October 11, 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.*