# Drillstring Toolbox Premium vs Mud Weight

The clearest difference is price: Mud Weight at $0.99 against Drillstring Toolbox Premium's $24.99. Mud Weight also leads on update cadence (every 4 months vs every 24 months) and iOS requirement (10.0 vs 14.0). On ads, in-app purchases and device support there is nothing between them.

Drillstring Toolbox Premium costs $24.99 and Mud Weight $0.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Drillstring Toolbox Premium ships an update every 24 months, Mud Weight every 4 months. The most recent releases landed on September 20, 2026 and October 9, 2026 respectively.

## The numbers

| Metric | Drillstring Toolbox Premium | Mud Weight |
| --- | --- | --- |
| Price | $24.99 | **$0.99** |
| Rating | — | **[3.0 (2 ratings)](https://appshunter.io/ios/app/mud-weight/id1456298201/reviews)** |
| Number of ratings | — | **2** |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 4 months** |
| Monetization | — | Paid |
| Size | 1 MB | 86 MB |
| Requires iOS | 14.0 | **10.0** |
| Devices | **iPhone, iPad, iPod** | iPhone, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) | [GoodStamp](https://appshunter.io/developer/717537129) |

## What reviewers say

### Drillstring Toolbox Premium

[App page](https://appshunter.io/ios/app/drillstring-toolbox-premium/id1222651738)

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

**In-app purchases:** none


### Mud Weight

[App page](https://appshunter.io/ios/app/mud-weight/id1456298201)

This utility app assists oil and gas professionals with quick calculations for drilling fluid weight. It allows users to adjust parameters like specific gravity and sack weight, save preferences for different wells, and calculate material needs.

**Highlights:** Adjust specific gravity, Calculate sack weight, Manage pallet sizes, Save mud and material preferences, Create multiple wells, Calculate material amounts

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

**In-app purchases:** none


## Frequently asked questions

### Is Drillstring Toolbox Premium free?

Drillstring Toolbox Premium costs $24.99, with no in-app purchases.

### Is Mud Weight free?

Mud Weight costs $0.99, with no in-app purchases.

### Do Drillstring Toolbox Premium or Mud Weight have ads?

Neither Drillstring Toolbox Premium nor Mud Weight shows ads.

### Which is updated more often, Drillstring Toolbox Premium or Mud Weight?

Drillstring Toolbox Premium ships an update every 24 months, and Mud Weight every 4 months. Most recently, Drillstring Toolbox Premium was updated on September 20, 2026 and Mud Weight on October 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.*