Comparison

Coordinate Master vs Drilling Hydraulics 2

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

Head to head
About

Coordinate Master

Convert coordinates between over 1700 global systems using PROJ4 library. Supports various formats including lat/lon, UTM, and national grids. Can use GPS or photo data for input.

Highlights
  • 1700+ coordinate systems
  • PROJ4 library integration
  • Supports lat/lon, UTM, national grids
  • Custom coordinate system support
  • GPS location input
  • Photo coordinate extraction
Features
Read full description

Coordinate Master is one of the most powerful map coordinate converters available. It uses the PROJ4 library and a lookup file containing projection and datum parameters to allow conversion between more than 1700 coordinate systems from around the world. Lat/lon, UTM, US coordinate systems (including US State Plane), Australian coordinate systems (including GDA2020), UK coordinate systems (including British National Grid) and many, many others are supported. Custom coordinate systems can be added and affine parameters are supported for adding local grid systems. The app can use manually entered coordinates, your current GPS location, or get the lat/lon coordinates from a photo.

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.

Screenshots

Coordinate Master4 screens
Drilling Hydraulics 24 screens

Verdict

The call

The clearest difference is review sentiment: Coordinate Master at 83% against Drilling Hydraulics 2's 0%. Coordinate Master also leads on price ($3.99 vs $19.99) and update cadence (fortnightly vs every 22 months). Drilling Hydraulics 2's advantage is iOS requirement (12.0 vs 14.0). On ads, in-app purchases, monetization model and device support there is nothing between them.

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

CostPrice · In-app purchases · Ads · Monetization

Coordinate Master costs $3.99 and Drilling Hydraulics 2 $19.99 up front. Neither carries in-app purchases, so what you see is what you pay.

UpkeepUpdate frequency

Coordinate Master ships an update fortnightly, Drilling Hydraulics 2 every 22 months. The most recent releases landed on September 18, 2026 and September 2, 2026 respectively.

Scorecard4 real differences · 6 level
Coordinate Master versus Drilling Hydraulics 2: the parameters behind the verdict, then further details
ParameterCoordinate MasterDrilling Hydraulics 2
Price$3.99 — better$19.99
Rating4.4 (5 ratings) — better—
Positive reviews83.3% of reviews — better0.0% of reviews
Number of ratings5 — better—
Update frequencyFortnightly — betterEvery 22 months
AdsNoNo
In-app purchasesNoNo
MonetizationPaidPaid
DevicesiPhone, iPodiPhone, iPad, iPod — better
Requires iOS14.012.0 — better
Further details — not scored
Size1 MB28 MB
Age rating4+4+
DeveloperAnthony DunkCarlos Moura

Customer experience

Coordinate Master

All ratings5 ratings
Positive80.0%
Neutral0.0%
Negative20.0%
Written reviews6 reviews
Positive83.3%
Neutral0.0%
Negative16.7%

Drilling Hydraulics 2

Written reviews1 reviews
Positive0.0%
Neutral0.0%
Negative100.0%

In-app purchases

None

Coordinate Master

No in-app purchases

None

Drilling Hydraulics 2

No in-app purchases

Questions

Is Coordinate Master free?
Coordinate Master costs $3.99, with no in-app purchases.
Is Drilling Hydraulics 2 free?
Drilling Hydraulics 2 costs $19.99, with no in-app purchases.
Do Coordinate Master or Drilling Hydraulics 2 have ads?
Neither Coordinate Master nor Drilling Hydraulics 2 shows ads.
Which is updated more often, Coordinate Master or Drilling Hydraulics 2?
Coordinate Master ships an update fortnightly, and Drilling Hydraulics 2 every 22 months. Most recently, Coordinate Master was updated on September 18, 2026 and Drilling Hydraulics 2 on September 2, 2026.

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