# Mud Man Pro vs Kyanite Pro

The clearest difference is in-app purchases: Mud Man Pro at none against Kyanite Pro's 2. Mud Man Pro also leads on iOS requirement (16.0 vs 18.0). Kyanite Pro's advantage is update cadence (every 5 days vs every 4 months). On price, rating, ratings volume and ads there is nothing between them.

Both are free to download. Kyanite Pro sells 2 in-app purchases, starting at $3.99 per month. Mud Man Pro asks for nothing beyond the download.

On the App Store both sit at effectively the same score — 5.0 for Mud Man Pro against 5.0 for Kyanite Pro. Both are backed by a comparable volume of ratings — 1 and 1 respectively.

Mud Man Pro ships an update every 4 months, Kyanite Pro every 5 days. The most recent releases landed on October 11, 2026 and October 16, 2026 respectively.

## The numbers

| Metric | Mud Man Pro | Kyanite Pro |
| --- | --- | --- |
| Price | Free | Free |
| Rating | [5.0 (1 ratings)](https://appshunter.io/ios/app/mud-man-pro/id6765783852/reviews) | [5.0 (1 ratings)](https://appshunter.io/ios/app/kyanite-pro/id6802395850/reviews) |
| Number of ratings | 1 | 1 |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 4 months | **Every 5 days** |
| Monetization | **Free** | Freemium |
| Size | 3 MB | 41 MB |
| Requires iOS | **16.0** | 18.0 |
| Devices | iPhone | **iPhone, iPad** |
| Age rating | 4+ | 4+ |
| Developer | [Colten Meadows](https://appshunter.io/developer/1896073318) | [Mike Haynes](https://appshunter.io/developer/6802395852) |

## What reviewers say

### 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


### Kyanite Pro

[App page](https://appshunter.io/ios/app/kyanite-pro/id6802395850)

This app offers a suite of offline drilling calculators and reference tools for oil and gas professionals. It includes features for mud engineers, cementers, and directional drillers, with options to share data with crews. A free tier provides basic tools, while a subscription unlocks advanced calculators and job sheets.

**Highlights:** Offline drilling calculators, Mud, cement, and directional drilling tools, Field notes and reference charts, Crew data sharing, Kill sheet and cement job sheet, Chemical inventory management

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| Kyanite Pro Monthly | $3.99 | per month |
| Kyanite Pro Yearly | $19.99 | per year |


## Frequently asked questions

### Is Mud Man Pro free?

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

### Is Kyanite Pro free?

Kyanite Pro is free to download, with in-app purchases available.

### Which has better reviews, Mud Man Pro or Kyanite Pro?

Mud Man Pro and Kyanite Pro are both rated 5.0 out of 5 on the App Store, from 1 and 1 ratings respectively.

### Do Mud Man Pro or Kyanite Pro have ads?

Neither Mud Man Pro nor Kyanite Pro shows ads.

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

Mud Man Pro ships an update every 4 months, and Kyanite Pro every 5 days. Most recently, Mud Man Pro was updated on October 11, 2026 and Kyanite Pro on October 16, 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.*