Comparison

Drilling Hydraulics 2 vs DDToolsPro

Price, ratings, monetisation and update history for both apps, side by side โ€” with what reviewers say about each.

Head to head
About

Drilling Hydraulics 2

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
Read full description

The Drilling Hydraulics provides to driller, tool pushers, engineers, chemists, students and other professionals in the petroleum industry a productivity tool helpful in drilling of oil wells for hydraulics calculations, optimization of the penetration rate and can help on the decision on selection of bit nozzles. Well Features: - Well Planning: Onshore or Offshore (riser, casing, liner and open hole). Vertical or Directional Type I and Horizontal. - Drill string: 2 drill pipes, heavy weight, 2 drill collars, drilling motor and drill bit (w/ until 12 nozzles). - Volume, capacity, strokes, hydrostatic and drilling hydraulics calculations; Surface Equipment: - 04 mud pumps - Surface connections: standpipe, mud hose, swivel, top drive, kelly, stands - Choke diameter - Elevation system weight; Directional Well: - This app works with Directional Well Type I and Horizontal, only. - For other features in directional wells, we recommend the "Directional Drilling Hydraulics" application available in our portfolio in the App Store. Importing Data Files: This app imports data files from other apps available in our portfolio on the App Store: "Drilling Simulator 1, 2 and 3", "Well Control Simulator", "MPD Simulator", "Kick Tolerance", "Leak-Off Test Simulator", "Kick Game" and "Well Control Methods" DISCLAIMER: These tools & materials are provided 'as is' without warranties of any kind, express or implied. Please verify the tools provided by this application by yourself before you use them. Ensure you understand the impact of using these tools. Any use you choose to make of these tools & materials is undertaken by you entirely at you own risk.

About

DDToolsPro

Features
Read full description

This tool will help directional drillers and company men with day to day calculations for standard directional drilling and a segmented (survey) tool for curves! Terms of use : https://www.apple.com/legal/internet-services/itunes/dev/stdeula/

Screenshots

Drilling Hydraulics 24 screens
DDToolsPro3 screens

Verdict

The call

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.

Scored on Price ยท Rating ยท Positive reviews ยท Number of ratings ยท Update frequency ยท Ads ยท In-app purchases ยท Monetization ยท Best chart rank ยท Devices ยท Requires iOS

CostPrice ยท In-app purchases ยท Ads ยท Monetization

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.

UpkeepUpdate frequency

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.

Scorecard4 real differences ยท 4 level
Drilling Hydraulics 2 versus DDToolsPro: the parameters behind the verdict, then further details
ParameterDrilling Hydraulics 2DDToolsPro
Price$19.99$9.99 โ€” better
Positive reviews0.0% of reviewsโ€”
Update frequencyEvery 22 monthsEvery 2 months โ€” better
AdsNoNo
In-app purchasesNo โ€” betterYes
MonetizationPaidโ€”
DevicesiPhone, iPad, iPod โ€” betteriPhone, iPad
Requires iOS12.0 โ€” better18.2
Further details โ€” not scored
Size28 MB8 MB
Age rating4+4+
DeveloperCarlos MouraMichael Blake

In-app purchases

None

Drilling Hydraulics 2

No in-app purchases

2 purchases

DDToolsPro

Subscriptions2
  • DD Tools Pro Unlock - Monthly$12.991 Month
  • DD Tools Pro Unlock - Annual$129.991 Year

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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