# Coordinate Master vs Drilling Hydraulics 2

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.

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.

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.

## The numbers

| Metric | Coordinate Master | Drilling Hydraulics 2 |
| --- | --- | --- |
| Price | **$3.99** | $19.99 |
| Rating | **[4.4 (5 ratings)](https://appshunter.io/ios/app/coordinate-master/id1189917015/reviews)** | — |
| Number of ratings | **5** | — |
| Positive reviews | **83.3% of reviews** | 0.0% of reviews |
| In-app purchases | No | No |
| Ads | No | No |
| Update frequency | **Fortnightly** | Every 22 months |
| Monetization | Paid | Paid |
| Size | 1 MB | 28 MB |
| Requires iOS | 14.0 | **12.0** |
| Devices | iPhone, iPod | **iPhone, iPad, iPod** |
| Age rating | 4+ | 4+ |
| Developer | [Anthony Dunk](https://appshunter.io/developer/704471943) | [Carlos Moura](https://appshunter.io/developer/407501202) |

## What reviewers say

### Coordinate Master

[App page](https://appshunter.io/ios/app/coordinate-master/id1189917015)

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