# Drilling Hydraulics 2 vs DDToolsPro

The clearest difference is price: DDToolsPro at $9.99 against Drilling Hydraulics 2's $19.99. DDToolsPro also leads on update cadence (every 2 months vs every 22 months). Drilling Hydraulics 2's advantage is in-app purchases (none vs 2) and iOS requirement (12.0 vs 18.2). On ads and device support there is nothing between them.

Drilling Hydraulics 2 costs $19.99 and DDToolsPro $9.99 up front. DDToolsPro sells 2 in-app purchases, starting at $12.99 per month. Drilling Hydraulics 2 asks for nothing beyond the download.

Drilling Hydraulics 2 ships an update every 22 months, DDToolsPro every 2 months. The most recent releases landed on October 2, 2026 and October 18, 2026 respectively.

## The numbers

| Metric | Drilling Hydraulics 2 | DDToolsPro |
| --- | --- | --- |
| Price | $19.99 | **$9.99** |
| Positive reviews | 0.0% of reviews | — |
| In-app purchases | **No** | Yes |
| Ads | No | No |
| Update frequency | Every 22 months | **Every 2 months** |
| Monetization | Paid | — |
| Size | 28 MB | 8 MB |
| Requires iOS | **12.0** | 18.2 |
| Devices | **iPhone, iPad, iPod** | iPhone, iPad |
| Age rating | 4+ | 4+ |
| Developer | [Carlos Moura](https://appshunter.io/developer/407501202) | [Michael Blake](https://appshunter.io/developer/1443250004) |

## What reviewers say

### 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


### DDToolsPro

[App page](https://appshunter.io/ios/app/ddtoolspro/id6755078356)

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

**In-app purchases (2)**

| Purchase | Price | Billing |
| --- | --- | --- |
| DD Tools Pro Unlock - Monthly | $12.99 | per month |
| DD Tools Pro Unlock - Annual | $129.99 | per year |


## Frequently asked questions

### Is Drilling Hydraulics 2 free?

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

### Is DDToolsPro free?

DDToolsPro costs $9.99, and also offers in-app purchases.

### Do Drilling Hydraulics 2 or DDToolsPro have ads?

Neither Drilling Hydraulics 2 nor DDToolsPro shows ads.

### Which is updated more often, Drilling Hydraulics 2 or DDToolsPro?

Drilling Hydraulics 2 ships an update every 22 months, and DDToolsPro every 2 months. Most recently, Drilling Hydraulics 2 was updated on October 2, 2026 and DDToolsPro on October 18, 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.*