# Drillstring Toolbox Premium vs Drilling Hydraulics 2

The clearest difference is price: Drilling Hydraulics 2 at $19.99 against Drillstring Toolbox Premium's $24.99. Drilling Hydraulics 2 also leads on iOS requirement (12.0 vs 14.0). On update cadence, ads, in-app purchases and device support there is nothing between them.

Drillstring Toolbox Premium costs $24.99 and Drilling Hydraulics 2 $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

Drillstring Toolbox Premium ships an update every 24 months, Drilling Hydraulics 2 every 22 months. The most recent releases landed on September 20, 2026 and September 15, 2026 respectively.

## The numbers

| Metric | Drillstring Toolbox Premium | Drilling Hydraulics 2 |
| --- | --- | --- |
| Price | $24.99 | **$19.99** |
| Positive reviews | — | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | Every 24 months | **Every 22 months** |
| Monetization | — | Paid |
| Size | 1 MB | 28 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPad, iPod | iPhone, iPad, iPod |
| Age rating | 4+ | 4+ |
| Developer | [Bureau Veritas North America, Inc.](https://appshunter.io/developer/1770295442) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## 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


### Drilling Hydraulics 2

[App page](https://appshunter.io/ios/app/drilling-hydraulics-2/id1322464939)

This tool assists oil and gas professionals with critical drilling hydraulics calculations. It helps optimize penetration rates and select appropriate bit nozzles for various well types, including onshore, offshore, vertical, and directional wells.

**Highlights:** Well planning for onshore/offshore, vertical/directional wells, Drill string and bit nozzle calculations, Volume, capacity, and hydrostatic calculations, Surface equipment mud pump and connection data, Directional well calculations (Type I and Horizontal), Imports data from other simulator apps

**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 Drilling Hydraulics 2 free?

Drilling Hydraulics 2 costs $19.99, with no in-app purchases.

### Do Drillstring Toolbox Premium or Drilling Hydraulics 2 have ads?

Neither Drillstring Toolbox Premium nor Drilling Hydraulics 2 shows ads.

### Which is updated more often, Drillstring Toolbox Premium or Drilling Hydraulics 2?

Drillstring Toolbox Premium ships an update every 24 months, and Drilling Hydraulics 2 every 22 months. Most recently, Drillstring Toolbox Premium was updated on September 20, 2026 and Drilling Hydraulics 2 on September 15, 2026.

---

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