# Mud Engineer vs RigUp Field

The clearest difference is price: RigUp Field at Free against Mud Engineer's $2.99. RigUp Field also leads on update cadence (fortnightly vs every 34 months). Mud Engineer's advantage is chart position (#72 vs unranked) and iOS requirement (13.0 vs 15.1). On ads, in-app purchases and device support there is nothing between them.

RigUp Field is free to download; Mud Engineer costs $2.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Mud Engineer ships an update every 34 months, RigUp Field fortnightly. The most recent releases landed on September 17, 2026 and September 9, 2026 respectively.

## The numbers

| Metric | Mud Engineer | RigUp Field |
| --- | --- | --- |
| Price | $2.99 | **Free** |
| Rating | **[1.0 (1 ratings)](https://appshunter.io/ios/app/mud-engineer/id992941305/reviews)** | — |
| Number of ratings | **1** | — |
| Positive reviews | 100.0% of reviews | — |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 34 months | **Fortnightly** |
| Monetization | Paid | — |
| Best chart rank | **#72** | — |
| Size | 31 MB | 62 MB |
| Requires iOS | **13.0** | 15.1 |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 17+ | 4+ |
| Developer | [bader alshammari](https://appshunter.io/developer/858126240) | [RigUp Inc](https://appshunter.io/developer/1602289577) |

## What reviewers say

### Mud Engineer

[App page](https://appshunter.io/ios/app/mud-engineer/id992941305)

**Currently charting:** #72 Top Paid · Business (US App Store)

This app provides essential drilling calculations for mud engineers. It helps determine final mud weight, volume adjustments, and the number of sacks needed for various drilling scenarios.

**Highlights:** Final Mud Weight calculation, Volume calculations, Sack calculations, lb/bbl calculation, Weight Up calculation

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

**In-app purchases:** none


### RigUp Field

[App page](https://appshunter.io/ios/app/rigup-field/id6472059168)

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

**In-app purchases:** none


## Frequently asked questions

### Is Mud Engineer free?

Mud Engineer costs $2.99, with no in-app purchases.

### Is RigUp Field free?

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

### Do Mud Engineer or RigUp Field have ads?

Neither Mud Engineer nor RigUp Field shows ads.

### Which is updated more often, Mud Engineer or RigUp Field?

Mud Engineer ships an update every 34 months, and RigUp Field fortnightly. Most recently, Mud Engineer was updated on September 17, 2026 and RigUp Field on September 9, 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.*